From 1ec22d6ea2b49f6ec8bc5e637cc803a95691fb8e Mon Sep 17 00:00:00 2001
From: Macbook <macbook@172-11-15-119.lightspeed.chrlnc.sbcglobal.net>
Date: Wed, 10 Jun 2026 09:57:38 +0900
Subject: [PATCH] =?UTF-8?q?=EC=95=8C=EB=A6=BC=EB=AA=A9=EB=A1=9D=20obv=20?=
 =?UTF-8?q?=EA=B7=B8=EB=9E=98=ED=94=84=20=EB=AC=B8=EC=A0=9C=20=EC=B5=9C?=
 =?UTF-8?q?=EC=A2=85=EC=88=98=EC=A0=95?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../TradeNotificationListRow.tsx              |  24 +-
 .../TradeSignalMiniChart.tsx                  |  61 ++-
 frontend/src/hooks/useIndicatorSettings.ts    |   6 +-
 frontend/src/utils/ChartManager.ts            | 464 ++++++++++++++----
 frontend/src/utils/customIndicators.ts        |  70 ++-
 frontend/src/utils/indicatorMainConfig.ts     |  61 ++-
 frontend/src/utils/indicatorRegistry.ts       |  38 +-
 frontend/src/utils/indicatorSettingsEditor.ts |  11 +-
 .../src/utils/notificationChartIndicators.ts  |  60 +++
 .../src/utils/strategyToChartIndicators.ts    |  39 +-
 frontend/src/utils/timezone.ts                |  25 +
 .../utils/workspaceChartIndicatorsCache.ts    |  48 ++
 12 files changed, 745 insertions(+), 162 deletions(-)
 create mode 100644 frontend/src/utils/notificationChartIndicators.ts
 create mode 100644 frontend/src/utils/workspaceChartIndicatorsCache.ts

diff --git a/frontend/src/components/tradeNotification/TradeNotificationListRow.tsx b/frontend/src/components/tradeNotification/TradeNotificationListRow.tsx
index d7cd8de..d1b63cd 100644
--- a/frontend/src/components/tradeNotification/TradeNotificationListRow.tsx
+++ b/frontend/src/components/tradeNotification/TradeNotificationListRow.tsx
@@ -2,7 +2,7 @@
  * 매매 시그널 알림 목록 행 — 4칸이 목록 너비를 꽉 채움, 보조지표 2개↑ 시 우측 슬롯만 스크롤
  */
 import React, { useCallback, useEffect, useMemo, useRef, useState, memo } from 'react';
-import type { Theme } from '../../types';
+import type { Theme, IndicatorConfig } from '../../types';
 import type { TickerData } from '../../hooks/useMarketTicker';
 import { useLiveReceiveFlash } from '../../hooks/useLiveReceiveFlash';
 import { useTradeNotificationSignalSnapshot } from '../../hooks/useTradeNotificationSignalSnapshot';
@@ -23,8 +23,10 @@ import {
   buildStrategyChartIndicators,
   candleTypeToTimeframe,
 } from '../../utils/strategyToChartIndicators';
+import { buildNotificationChartIndicators } from '../../utils/notificationChartIndicators';
 import { formatIndicatorDisplayLabel } from '../../utils/indicatorRegistry';
 import { useIndicatorSettings } from '../../hooks/useIndicatorSettings';
+import { ensureWorkspaceChartIndicators, invalidateWorkspaceChartIndicatorsCache } from '../../utils/workspaceChartIndicatorsCache';
 import TradeSignalChartCard from './TradeSignalChartCard';
 import TradeNotificationSignalCard from './TradeNotificationSignalCard';
 import TradeNotificationHScrollPane from './TradeNotificationHScrollPane';
@@ -109,7 +111,9 @@ const TradeNotificationListRow: React.FC<Props> = ({
   const chartTf = candleTypeToTimeframe(item.candleType ?? '1m');
   const candleKo = formatCandleTypeKo(item.candleType);
 
-  const { getParams, getVisualConfig } = useIndicatorSettings();
+  const { getParams, getVisualConfig, settingsRevision } = useIndicatorSettings();
+  const [wsIndicators, setWsIndicators] = useState<IndicatorConfig[]>([]);
+  const [wsRevision, setWsRevision] = useState(0);
   const [strategy, setStrategy] = useState<StrategyDto | undefined>();
   const [strategies, setStrategies] = useState<StrategyDto[]>([]);
   const strategyLabel = item.strategyName?.trim()
@@ -166,16 +170,28 @@ const TradeNotificationListRow: React.FC<Props> = ({
     setExpandedChartKey(null);
   }, [item.id, layoutMode]);
 
+  useEffect(() => {
+    let cancelled = false;
+    invalidateWorkspaceChartIndicatorsCache();
+    void ensureWorkspaceChartIndicators().then(inds => {
+      if (cancelled) return;
+      setWsIndicators(inds);
+      setWsRevision(r => r + 1);
+    });
+    return () => { cancelled = true; };
+  }, [settingsRevision]);
+
   const indicatorCards = useMemo(() => {
     if (!isListLayout || !strategy) return [];
-    const all = buildStrategyChartIndicators(strategy, getParams, getVisualConfig);
+    const strategyBuilt = buildStrategyChartIndicators(strategy, getParams, getVisualConfig, wsIndicators);
+    const all = buildNotificationChartIndicators(strategyBuilt, wsIndicators);
     return all.slice(0, MAX_INDICATOR_CARDS).map(ind => ({
       id: ind.id,
       type: ind.type,
       label: formatIndicatorDisplayLabel(ind.type),
       config: [ind],
     }));
-  }, [strategy, getParams, getVisualConfig, isListLayout]);
+  }, [strategy, getParams, getVisualConfig, settingsRevision, wsRevision, wsIndicators, isListLayout]);
 
   /** 통합 차트용: 전략의 모든 보조지표를 하나의 차트에 넘긴다 */
   const allIndicatorConfigs = useMemo(
diff --git a/frontend/src/components/tradeNotification/TradeSignalMiniChart.tsx b/frontend/src/components/tradeNotification/TradeSignalMiniChart.tsx
index 001932a..50ce71a 100644
--- a/frontend/src/components/tradeNotification/TradeSignalMiniChart.tsx
+++ b/frontend/src/components/tradeNotification/TradeSignalMiniChart.tsx
@@ -17,13 +17,13 @@ import { useAppSettings } from '../../hooks/useAppSettings';
 import type { ChartManager } from '../../utils/ChartManager';
 import { pinCandleWatch } from '../../utils/backendApi';
 import { timeframeToCandleType } from '../../utils/chartCandleType';
-import { DEFAULT_DISPLAY_TIMEZONE } from '../../utils/timezone';
 import { useIndicatorSettings } from '../../hooks/useIndicatorSettings';
 import { useSessionCandleOverlayControls } from '../../hooks/useSessionCandleOverlayControls';
-import { ensurePaperChartOverlays } from '../../utils/strategyToChartIndicators';
 import { mergeGlobalDefaultsOntoChartIndicators } from '../../utils/indicatorMainConfig';
-import { barsMeetObvVolumeRequirement } from '../../utils/obvChartBars';
-import { enrichIndicatorConfig } from '../../utils/indicatorRegistry';
+import { buildNotificationChartIndicators } from '../../utils/notificationChartIndicators';
+import { ensurePaperChartOverlays } from '../../utils/strategyToChartIndicators';
+import { ensureWorkspaceChartIndicators, invalidateWorkspaceChartIndicatorsCache } from '../../utils/workspaceChartIndicatorsCache';
+import { indicatorDefaultsFingerprint } from '../../utils/indicatorDefaultsFingerprint';
 import {
   applyNotificationSignalMarkers,
   type TradeSignalChartMarker,
@@ -70,21 +70,42 @@ const TradeSignalMiniChart: React.FC<Props> = ({
   const signalMarkerRef = useRef(signalMarker);
   signalMarkerRef.current = signalMarker;
 
-  const baseIndicators = useMemo(
-    () => mergeGlobalDefaultsOntoChartIndicators(
+  const [wsIndicators, setWsIndicators] = useState<IndicatorConfig[]>([]);
+  const [wsRevision, setWsRevision] = useState(0);
+
+  useEffect(() => {
+    let cancelled = false;
+    invalidateWorkspaceChartIndicatorsCache();
+    void ensureWorkspaceChartIndicators().then(inds => {
+      if (cancelled) return;
+      setWsIndicators(inds);
+      setWsRevision(r => r + 1);
+    });
+    return () => { cancelled = true; };
+  }, [settingsRevision]);
+
+  const baseIndicators = useMemo(() => {
+    const strategyMerged = mergeGlobalDefaultsOntoChartIndicators(
       ensurePaperChartOverlays(indicators, getParams, getVisualConfig),
       getParams,
       getVisualConfig,
-    ).map(enrichIndicatorConfig),
-    [indicators, getParams, getVisualConfig, settingsRevision],
+      wsIndicators,
+    );
+    return buildNotificationChartIndicators(strategyMerged, wsIndicators);
+  }, [indicators, getParams, getVisualConfig, settingsRevision, wsRevision, wsIndicators]);
+
+  const indicatorStyleKey = useMemo(
+    () => baseIndicators.map(i => indicatorDefaultsFingerprint(i)).join('|'),
+    [baseIndicators],
   );
 
-  const needsDeepObv = useMemo(
+  /** OBV 등 워크스페이스 지표가 있으면 ws config 로드 완료 후 렌더 (maLength=1 플래시 방지) */
+  const needsWorkspaceConfig = useMemo(
     () => baseIndicators.some(i => i.type === 'OBV'),
     [baseIndicators],
   );
 
-  /** 메인 차트와 동일 소스 — STOMP(+ volume 없으면 Upbit 폴백). deepObvHistory 로 장기 봉 확보 */
+  /** 실시간(메인) 차트와 동일한 데이터 소스 사용 */
   const chartRealtimeSource: ChartRealtimeSource = appChartSource;
 
   const {
@@ -162,28 +183,23 @@ const TradeSignalMiniChart: React.FC<Props> = ({
       onNewCandle: handleNewCandle,
       enabled: enabled && useUpbit,
       source: chartRealtimeSource,
-      deepObvHistory: needsDeepObv,
-    }), [handleTickUpdate, handleNewCandle, enabled, useUpbit, needsDeepObv, chartRealtimeSource]),
+    }), [handleTickUpdate, handleNewCandle, enabled, useUpbit, chartRealtimeSource]),
   );
 
   const { isLoadingMore } = useHistoryLoader({
     symbol: market,
     timeframe,
-    /** OBV — 백엔드 history volume=0 봉 prepend 시 본선 왜곡 방지 */
-    isUpbit: useUpbit && enabled && !needsDeepObv,
+    isUpbit: useUpbit && enabled,
     managerRef,
   });
 
   barsMarketRef.current = barsMarket;
   const barsReady = bars.length >= 2 && barsMarket === market;
 
-  const obvBarsReady = useMemo(() => {
-    if (!needsDeepObv) return true;
-    if (bars.length < 2) return false;
-    return barsMeetObvVolumeRequirement(bars);
-  }, [needsDeepObv, bars]);
+  // 워크스페이스 지표(OBV maLength 등) 로드 완료 전에는 렌더 보류 → 잘못된 기본값 플래시 방지
+  const wsConfigReady = !needsWorkspaceConfig || wsRevision > 0;
 
-  const chartDataReady = barsReady && obvBarsReady && settingsLoaded;
+  const chartDataReady = barsReady && wsConfigReady && settingsLoaded;
 
   useLayoutEffect(() => {
     chartLiveReadyRef.current = false;
@@ -265,9 +281,6 @@ const TradeSignalMiniChart: React.FC<Props> = ({
       ].filter(Boolean).join(' ')}
     >
       {(!settingsLoaded || isLoading) && <div className="tnl-mini-chart-loading">로딩…</div>}
-      {needsDeepObv && !isLoading && !obvBarsReady && (
-        <div className="tnl-mini-chart-loading">OBV 거래량 데이터 로딩…</div>
-      )}
       {isLoadingMore && (
         <div className="chart-history-loading">
           <div className="loading-spinner" style={{ width: 12, height: 12 }} />
@@ -275,7 +288,7 @@ const TradeSignalMiniChart: React.FC<Props> = ({
       )}
       {chartDataReady && (
       <TradingChart
-        key={`${market}-${timeframe}-${chartReloadTick}-${chartRealtimeSource}-${needsDeepObv ? 'obv' : 'std'}-${settingsRevision}-${chartIndicators.map(i => i.id).join(',')}`}
+        key={`${market}-${timeframe}-${chartReloadTick}-${chartRealtimeSource}-${settingsRevision}-${wsRevision}-${indicatorStyleKey}-${chartIndicators.map(i => i.id).join(',')}`}
         chartVisible
         bars={bars}
         barsMarket={barsMarket}
diff --git a/frontend/src/hooks/useIndicatorSettings.ts b/frontend/src/hooks/useIndicatorSettings.ts
index be1d644..89b9a94 100644
--- a/frontend/src/hooks/useIndicatorSettings.ts
+++ b/frontend/src/hooks/useIndicatorSettings.ts
@@ -22,7 +22,7 @@
  */
 
 import { useEffect, useRef, useCallback, useState } from 'react';
-import { getIndicatorDef, mergePlotDefs, normalizeHLines, normalizeObvParams, enrichIndicatorConfig, PlotDef, HLineDef } from '../utils/indicatorRegistry';
+import { getIndicatorDef, mergePlotDefs, mergePlotDefsFromSavedVisual, normalizeHLines, normalizeObvParams, enrichIndicatorConfig, PlotDef, HLineDef } from '../utils/indicatorRegistry';
 import { createDefaultSmaParams, createDefaultSmaPlots, normalizeSmaConfig } from '../utils/smaConfig';
 import { normalizeIchimokuConfig, mergeIchimokuPlots } from '../utils/ichimokuConfig';
 import {
@@ -39,6 +39,7 @@ import {
   loadIndicatorVisualSettings,
   saveIndicatorVisualSettings,
 } from '../utils/backendApi';
+import { invalidateWorkspaceChartIndicatorsCache } from '../utils/workspaceChartIndicatorsCache';
 
 type ParamMap = Record<string, unknown>;
 type AllSettings = Record<string, ParamMap>;
@@ -114,6 +115,7 @@ export function invalidateIndicatorSettingsCache() {
   _visualCache = null;
   _visualLoadPromise = null;
   _loadedSessionKey = null;
+  invalidateWorkspaceChartIndicatorsCache();
 }
 
 // ─────────────────────────────────────────────────────────────────────────────
@@ -278,7 +280,7 @@ export function useIndicatorSettings(sessionKey = 0) {
       const saved = _visualCache?.[type];
       const def = getIndicatorDef(type);
       const registryPlots = defaultPlots ?? def?.plots ?? [];
-      let plots = mergePlotDefs(saved?.plots as PlotDef[] | undefined, registryPlots);
+      let plots = mergePlotDefsFromSavedVisual(saved?.plots as PlotDef[] | undefined, registryPlots, type);
       const registryHlines = defaultHlines ?? def?.hlines ?? [];
       const rawHlines = (saved?.hlines as HLineDef[] | undefined) ?? registryHlines;
       const hlines = normalizeHLines(rawHlines, type, registryHlines);
diff --git a/frontend/src/utils/ChartManager.ts b/frontend/src/utils/ChartManager.ts
index ffe7898..96b2477 100644
--- a/frontend/src/utils/ChartManager.ts
+++ b/frontend/src/utils/ChartManager.ts
@@ -19,6 +19,7 @@ import {
   ColorType,
   LineStyle,
   CrosshairMode,
+  TickMarkType,
 } from 'lightweight-charts';
 import { IndicatorFillPrimitive } from './IndicatorFillPrimitive';
 import { BollingerBandFillPrimitive } from './BollingerBandFillPrimitive';
@@ -29,14 +30,14 @@ import { formatUpbitKrwPrice } from './safeFormat';
 import { TRADE_BUY_COLOR, TRADE_SELL_COLOR } from './tradeSignalColors';
 import {
   DEFAULT_CHART_TIME_FORMAT,
-  formatUnixWithChartPattern,
   formatLwcTimeWithPattern,
   formatLwcTickMarkWithPattern,
   normalizeChartTimeFormat,
 } from './chartTimeFormat';
-import { DEFAULT_DISPLAY_TIMEZONE } from './timezone';
+import { DEFAULT_DISPLAY_TIMEZONE, getTimezoneOffsetSec } from './timezone';
 import { getPaneHostId, sortIndicatorsForPaneLoad } from './indicatorPaneMerge';
 import { calculateIndicator, enrichIndicatorConfig, getIndicatorDef, getHLineLabel, type PlotData, type MarkerData } from './indicatorRegistry';
+import { filterObvPlotDataForChart } from './customIndicators';
 import { IchimokuCloudPlugin, type IchimokuCloudPoint } from './IchimokuCloudPlugin';
 
 const MAIN_PRICE_FORMAT = {
@@ -226,18 +227,10 @@ function sortDualLinePlotDefs(plotDefs: PlotDef[]): PlotDef[] {
 }
 
 /**
- * OBV 등 이중 plot — 설정 lineWidth 기준 굵은 선 먼저(하단), 가는 선 나중(상단).
- * 값이 겹쳐도 점선·실선·색상(설정값)이 함께 보이도록 z-order만 조정.
+ * OBV 등 이중 plot — 본선(plot0) 먼저·신호(plot1) 나중 (신호 점선이 본선 위).
  */
 function sortPlotDefsForSeriesAdd(type: string, plotDefs: PlotDef[]): PlotDef[] {
-  const sorted = sortDualLinePlotDefs(plotDefs);
-  if (type !== 'OBV') return sorted;
-  return [...sorted].sort((a, b) => {
-    const wA = a.lineWidth ?? 1;
-    const wB = b.lineWidth ?? 1;
-    if (wA !== wB) return wB - wA;
-    return DUAL_LINE_PLOT_ORDER.indexOf(a.id) - DUAL_LINE_PLOT_ORDER.indexOf(b.id);
-  });
+  return sortDualLinePlotDefs(plotDefs);
 }
 
 export class ChartManager {
@@ -783,6 +776,40 @@ export class ChartManager {
       .filter(p => p.type !== 'histogram' && enriched.plotVisibility?.[p.id] !== false);
   }
 
+  /**
+   * OBV 시리즈 추가 순서 — plot0(본선) 먼저·plot1(신호) 나중.
+   * 신호선은 기본 점선 → 겹쳐도 파란 본선+주황 신호가 동시에 보임.
+   */
+  private _obvSeriesAddOrder(): readonly ['plot0', 'plot1'] {
+    return ['plot0', 'plot1'];
+  }
+
+  /** 레전드·크로스헤어 — plot0→plot1 순서 (seriesList z-order 와 무관) */
+  private _plotOrderForEntry(entry: IndicatorEntry): string[] {
+    const config = entry.config;
+    const def = getIndicatorDef(entry.type);
+    const enriched = config ? enrichIndicatorConfig(config) : null;
+    const plots = enriched?.plots ?? def?.plots ?? [];
+    return plots
+      .filter(p => enriched?.plotVisibility?.[p.id] !== false)
+      .map(p => p.id);
+  }
+
+  private _indicatorValuesInPlotOrder(
+    entry: IndicatorEntry,
+    params: MouseEventParams<Time>,
+  ): number[] {
+    return this._plotOrderForEntry(entry).map(plotId => {
+      const idx = entry.seriesMeta.findIndex(m => m.plotId === plotId);
+      if (idx < 0) return NaN;
+      const series = entry.seriesList[idx];
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
+      const d = params.seriesData.get(series) as any;
+      if (!d) return NaN;
+      return typeof d.value === 'number' ? d.value : NaN;
+    });
+  }
+
   /** OBV — plot0·plot1 항상 쌍으로 생성 (메인 차트와 동일, DUAL_LINE repair 경로 회피) */
   private _addObvIndicatorSeries(
     seriesList: ISeriesApi<SeriesType>[],
@@ -799,40 +826,104 @@ export class ChartManager {
     );
     const indicatorPriceFormat = priceFormatForIndicatorPane(pane);
 
-    for (const plotId of ['plot0', 'plot1'] as const) {
-      if (enriched.plotVisibility?.[plotId] === false) continue;
+    // 본선(plot0)·신호선(plot1) 을 같은 가격 범위로 고정.
+    // 재렌더·pane 재배치 과정에서 스케일이 오염되면 본선이 납작하게 눌릴 수 있어,
+    // OBV 데이터(plot0+plot1) 의 실제 min/max 로 autoscale 을 강제한다.
+    let obvMin = Infinity, obvMax = -Infinity;
+    for (const id of ['plot0', 'plot1'] as const) {
+      for (const p of (result.plots[id] ?? []) as PlotData) {
+        if (Number.isFinite(p.value)) {
+          obvMin = Math.min(obvMin, p.value);
+          obvMax = Math.max(obvMax, p.value);
+        }
+      }
+    }
+    // 본선·신호선을 같은 전용 가격축에 격리 → 같은 pane 의 다른(오염된) 'right' 축이나
+    // 고아 시리즈의 거대값에 휩쓸려 본선이 납작하게 눌리는 것을 차단한다.
+    const obvScaleId = `obv-${config.id}`;
+    const obvAutoscaleProvider = (Number.isFinite(obvMin) && Number.isFinite(obvMax) && obvMax > obvMin)
+      ? (baseImpl: () => { priceRange: { minValue: number; maxValue: number } } | null) => {
+        // plot0·plot1 둘 다 동일 범위(union)를 쓰도록 해 실제 값 차이가 세로로 분리돼 보인다.
+        // 실시간 봉 추가로 값이 커지면 base(현재 시리즈 범위)와 union 해서 추적.
+        let lo = obvMin, hi = obvMax;
+        const base = baseImpl?.();
+        if (base?.priceRange) {
+          lo = Math.min(lo, base.priceRange.minValue);
+          hi = Math.max(hi, base.priceRange.maxValue);
+        }
+        const pad = (hi - lo) * 0.08 || Math.abs(hi) * 0.08 || 1;
+        return { priceRange: { minValue: lo - pad, maxValue: hi + pad } };
+      }
+      : undefined;
+
+    // lightweight-charts 는 존재하지 않는 pane 을 한 번에 하나씩만 만들기 때문에,
+    // 볼륨 숨김 차트(pane 0 만 존재)에서 paneIndex=2 로 두 시리즈를 추가하면
+    // 첫 시리즈는 pane 1, 두 번째는 pane 2 로 갈라진다. 첫 시리즈가 실제로 배치된
+    // pane 을 읽어 이후 시리즈를 같은 pane 에 강제 → plot0/plot1 분리(축 분리) 차단.
+    let targetPane = pane;
+
+    for (const plotId of this._obvSeriesAddOrder()) {
       const plotDef = plotById[plotId] ?? def?.plots?.find(p => p.id === plotId);
       if (!plotDef || plotDef.type === 'histogram') continue;
 
       const plotData = result.plots[plotId] as PlotData | undefined;
       if (!plotData?.length) continue;
-      const filtered = plotData.filter(p => p.value !== null && !isNaN(p.value));
+      const filtered = filterObvPlotDataForChart(
+        plotData,
+        result.plots as Record<string, PlotData>,
+      );
       if (filtered.length === 0) continue;
 
       const isPlotVisible = !indicatorHidden;
       const showPriceLabel = this.shouldShowSeriesPriceLabel(enriched, true, pane);
       const showSeriesTitle = pane < 2 && showPriceLabel;
       const regPlot = def?.plots?.find(p => p.id === plotId);
-      const fallbackColor = plotId === 'plot0'
-        ? (regPlot?.color ?? '#2196F3')
-        : (regPlot?.color ?? plotDef.color ?? '#2962FF');
+
+      const resolvedColor = resolvePlotLineColor(
+        plotDef.color,
+        regPlot?.color ?? plotDef.color ?? (plotId === 'plot0' ? '#2196F3' : '#FF9800'),
+      );
+      const resolvedWidth = (plotId === 'plot0'
+        ? Math.max(2, plotDef.lineWidth ?? regPlot?.lineWidth ?? 2)
+        : Math.max(1, plotDef.lineWidth ?? regPlot?.lineWidth ?? 1)) as 1 | 2 | 3 | 4;
 
       const series = this.chart.addSeries(LineSeries, {
-        color:            resolvePlotLineColor(plotDef.color, fallbackColor),
-        lineWidth:        (plotId === 'plot0'
-          ? Math.max(2, plotDef.lineWidth ?? regPlot?.lineWidth ?? 2)
-          : Math.max(1, plotDef.lineWidth ?? regPlot?.lineWidth ?? 1)) as 1 | 2 | 3 | 4,
+        color:            resolvedColor,
+        lineWidth:        resolvedWidth,
         lineStyle:        plotSeriesLineStyle(plotDef.lineStyle),
         priceLineVisible: false,
         lastValueVisible: showPriceLabel,
+        crosshairMarkerVisible: true,
+        crosshairMarkerRadius: plotId === 'plot0' ? 4 : 3,
         title:            showSeriesTitle ? this.seriesTitleForPlot(enriched, plotDef) : '',
         visible:          isPlotVisible,
+        priceScaleId:     obvScaleId,
+        ...(obvAutoscaleProvider ? { autoscaleInfoProvider: obvAutoscaleProvider } : {}),
         ...(indicatorPriceFormat ? { priceFormat: indicatorPriceFormat } : {}),
-      }, pane);
+      }, targetPane);
+      // 첫 시리즈가 실제로 배치된 pane 으로 이후 시리즈를 고정
+      if (seriesList.length === 0) {
+        const actual = this._readSeriesPaneIndex(series);
+        if (actual >= 0) targetPane = actual;
+      }
       series.setData(filtered.map(p => ({ time: p.time as Time, value: p.value })));
       seriesList.push(series);
       seriesMeta.push({ plotId, isHistogram: false, color: plotDef.color });
     }
+
+    // 전용 축을 우측에 표시 (눈금 라벨 유지) + 여백
+    if (seriesList.length > 0) {
+      try {
+        this.chart.priceScale(obvScaleId, pane).applyOptions({
+          visible: true,
+          scaleMargins: { top: 0.12, bottom: 0.12 },
+        });
+      } catch { /* ok */ }
+    }
+
+    if (!indicatorHidden && seriesMeta.length < 2) {
+      console.warn('[OBV] incomplete series — expected plot0+plot1, got', seriesMeta.map(m => m.plotId));
+    }
   }
 
   /** RSI·CCI·TRIX — plot0→plot1 순서로 시리즈를 한 번에 생성 */
@@ -1157,6 +1248,9 @@ export class ChartManager {
       }
       this.indicators.set(config.id, entry);
       if (config.type === 'OBV') {
+        if (entry.seriesMeta.length < 2 && !indicatorHidden && def) {
+          await this._ensureObvSeriesForEntry(entry);
+        }
         if (entry.seriesList.length > 0 && !indicatorHidden) {
           this._setIndicatorPlotsFullData(entry, result.plots as Record<string, PlotData>, config);
         }
@@ -1186,6 +1280,7 @@ export class ChartManager {
     if (this._activeIndicatorPaneIndices().size > 0) {
       this._resyncIndicatorPaneIndices();
       this._splitCollidingIndicatorPanes();
+      this._consolidateMultiSeriesPanes();
       this._resyncIndicatorPaneIndices();
       this._applyAllSeriesPriceFormats();
     } else {
@@ -1211,6 +1306,7 @@ export class ChartManager {
     this._removeOrphanSubPanes();
     if (this._activeIndicatorPaneIndices().size > 0) {
       this._resyncIndicatorPaneIndices();
+      this._consolidateMultiSeriesPanes();
     } else {
       this._trimTrailingEmptySubPanes();
     }
@@ -1221,6 +1317,87 @@ export class ChartManager {
     this._notifyPaneLayout();
   }
 
+  /** 누락된 OBV plot 시리즈만 추가 (기존 plot1 유지 등) */
+  private _appendMissingObvPlotSeries(
+    entry: IndicatorEntry,
+    config: IndicatorConfig,
+    result: { plots: Record<string, PlotData> },
+    pane: number,
+    indicatorHidden: boolean,
+    def: NonNullable<ReturnType<typeof getIndicatorDef>>,
+  ): void {
+    const existing = new Set(entry.seriesMeta.map(m => m.plotId));
+    if (existing.has('plot0') && existing.has('plot1')) return;
+
+    const scratchList: ISeriesApi<SeriesType>[] = [];
+    const scratchMeta: IndicatorEntry['seriesMeta'] = [];
+    this._addObvIndicatorSeries(
+      scratchList, scratchMeta, config, result, pane, indicatorHidden, def,
+    );
+    for (let i = 0; i < scratchList.length; i++) {
+      const meta = scratchMeta[i];
+      if (!meta || existing.has(meta.plotId)) {
+        try { this.chart.removeSeries(scratchList[i]); } catch { /* ok */ }
+        continue;
+      }
+      entry.seriesList.push(scratchList[i]);
+      entry.seriesMeta.push(meta);
+    }
+  }
+
+  /** OBV plot0/plot1 누락·데이터 길이 불일치 시 재생성 또는 전체 setData */
+  private async _ensureObvSeriesForEntry(entry: IndicatorEntry): Promise<void> {
+    if (entry.type !== 'OBV' || !entry.config || this.rawBars.length === 0) return;
+    const config = enrichIndicatorConfig(entry.config);
+    const def = getIndicatorDef('OBV');
+    if (!def) return;
+
+    const missingPlot = !entry.seriesMeta.some(m => m.plotId === 'plot0')
+      || !entry.seriesMeta.some(m => m.plotId === 'plot1');
+
+    if (missingPlot) {
+      const pane = entry.paneIndex ?? this._readSeriesPaneIndex(entry.seriesList[0]) ?? 2;
+      const hidden = !this._isIndicatorEffectivelyVisible(config);
+      if (entry.seriesList.length > 0) {
+        try {
+          const result = await calculateIndicator('OBV', this.rawBars.slice(), config.params ?? {});
+          this._appendMissingObvPlotSeries(entry, config, result, pane, hidden, def);
+          if (entry.seriesList.length > 0) {
+            this._setIndicatorPlotsFullData(entry, result.plots as Record<string, PlotData>, config);
+          }
+          entry.config = config;
+        } catch (e) {
+          console.error('[Indicator] OBV append missing error:', e);
+        }
+        return;
+      }
+      for (const s of entry.seriesList) {
+        try { this.chart.removeSeries(s); } catch { /* ok */ }
+      }
+      entry.seriesList = [];
+      entry.seriesMeta = [];
+      try {
+        const result = await calculateIndicator('OBV', this.rawBars.slice(), config.params ?? {});
+        this._addObvIndicatorSeries(
+          entry.seriesList, entry.seriesMeta, config, result, pane, hidden, def,
+        );
+        if (entry.seriesList.length > 0) {
+          this._setIndicatorPlotsFullData(entry, result.plots as Record<string, PlotData>, config);
+        }
+        entry.config = config;
+      } catch (e) {
+        console.error('[Indicator] OBV ensure error:', e);
+      }
+      return;
+    }
+
+    if (entry.seriesList.length === 0) return;
+    try {
+      const result = await calculateIndicator('OBV', this.rawBars.slice(), config.params ?? {});
+      this._setIndicatorPlotsFullData(entry, result.plots as Record<string, PlotData>, config);
+    } catch { /* ok */ }
+  }
+
   /** OBV·RSI 등 본선(plot0) 시리즈 누락 시 재생성 + 전체 plot setData + 스타일(DB) 반영 */
   async repairDualLineSeries(): Promise<void> {
     for (const entry of this.indicators.values()) {
@@ -1228,35 +1405,7 @@ export class ChartManager {
 
       if (entry.type === 'OBV') {
         const config = enrichIndicatorConfig(entry.config);
-        const def = getIndicatorDef('OBV');
-        const missingPlot = !entry.seriesMeta.some(m => m.plotId === 'plot0')
-          || !entry.seriesMeta.some(m => m.plotId === 'plot1');
-        if (missingPlot && def && this.rawBars.length > 0) {
-          const pane = entry.paneIndex ?? this._readSeriesPaneIndex(entry.seriesList[0]) ?? 2;
-          const hidden = !this._isIndicatorEffectivelyVisible(config);
-          for (const s of entry.seriesList) {
-            try { this.chart.removeSeries(s); } catch { /* ok */ }
-          }
-          entry.seriesList = [];
-          entry.seriesMeta = [];
-          try {
-            const result = await calculateIndicator('OBV', this.rawBars.slice(), config.params ?? {});
-            this._addObvIndicatorSeries(
-              entry.seriesList, entry.seriesMeta, config, result, pane, hidden, def,
-            );
-            if (entry.seriesList.length > 0) {
-              this._setIndicatorPlotsFullData(entry, result.plots as Record<string, PlotData>, config);
-            }
-            entry.config = config;
-          } catch (e) {
-            console.error('[Indicator] OBV repair error:', e);
-          }
-        } else if (entry.seriesList.length > 0 && this.rawBars.length > 0) {
-          try {
-            const result = await calculateIndicator('OBV', this.rawBars.slice(), config.params ?? {});
-            this._setIndicatorPlotsFullData(entry, result.plots as Record<string, PlotData>, config);
-          } catch { /* ok */ }
-        }
+        await this._ensureObvSeriesForEntry(entry);
         this.applyIndicatorStyle(config, { skipDualLineRefresh: true });
         continue;
       }
@@ -1497,16 +1646,19 @@ export class ChartManager {
     plots: Record<string, PlotData>,
     config: IndicatorConfig,
   ): void {
-    const plotDefs = config.plots ?? getIndicatorDef(config.type)?.plots ?? [];
+    const def = getIndicatorDef(config.type);
+    const plotDefs = config.plots ?? def?.plots ?? [];
     const plotById = Object.fromEntries(plotDefs.map((p: PlotDef) => [p.id, p]));
 
     for (let i = 0; i < entry.seriesList.length; i++) {
       const meta = entry.seriesMeta[i];
       if (!meta) continue;
-      const plot = plotById[meta.plotId];
+      const plot = plotById[meta.plotId] ?? def?.plots?.find(p => p.id === meta.plotId);
       const plotData = plots[meta.plotId] as PlotData | undefined;
-      if (!plot || !plotData?.length) continue;
-      const filtered = plotData.filter(p => p.value !== null && !isNaN(p.value));
+      if (!plotData?.length) continue;
+      const filtered = config.type === 'OBV'
+        ? filterObvPlotDataForChart(plotData, plots)
+        : plotData.filter(p => p.value !== null && !isNaN(p.value));
       if (filtered.length === 0) continue;
 
       const series = entry.seriesList[i];
@@ -1885,19 +2037,34 @@ export class ChartManager {
     }
   }
 
-  /** LWC 시리즈가 실제로 붙어 있는 sub-pane index (2+) */
+  /** 볼륨 pane(1)이 실제로 표시되는지 여부 */
+  private _volumePaneShown(): boolean {
+    return this._volumePaneEnabled && this._volumeVisible && !this._candleOnlyLayout;
+  }
+
+  /**
+   * 보조지표가 들어갈 수 있는 첫 sub-pane index.
+   * - 볼륨 표시: 2 (pane 1 = 볼륨)
+   * - 볼륨 숨김: 1 (볼륨이 없으므로 pane 1 이 곧 첫 지표 pane)
+   */
+  private _minIndicatorSubPane(): number {
+    return this._volumePaneShown() ? 2 : 1;
+  }
+
+  /** LWC 시리즈가 실제로 붙어 있는 sub-pane index (볼륨 숨김 시 1+, 표시 시 2+) */
   private _collectUsedSubPaneIndices(): Set<number> {
+    const minSub = this._minIndicatorSubPane();
     const indices = new Set<number>();
     for (const entry of this.indicators.values()) {
       let pane = -1;
       for (const series of entry.seriesList) {
         const pi = this._readSeriesPaneIndex(series);
-        if (pi >= 2) pane = Math.max(pane, pi);
+        if (pi >= minSub) pane = Math.max(pane, pi);
       }
-      if (pane < 2 && entry.paneIndex != null && entry.paneIndex >= 2) {
+      if (pane < minSub && entry.paneIndex != null && entry.paneIndex >= minSub) {
         pane = entry.paneIndex;
       }
-      if (pane >= 2) indices.add(pane);
+      if (pane >= minSub) indices.add(pane);
     }
     return indices;
   }
@@ -1954,9 +2121,61 @@ export class ChartManager {
     if (changed) this._removeOrphanSubPanes();
   }
 
+  /**
+   * 같은 지표(entry)의 모든 plot 시리즈를 반드시 한 pane 으로 통일한다.
+   *
+   * lightweight-charts 의 가격축(price scale)은 pane 단위라서, 같은 priceScaleId
+   * 문자열이라도 plot0/plot1 이 서로 다른 pane 에 흩어지면 서로 다른 축 객체가 되어
+   * 본선이 신호선과 다른 스케일로 눌리는 문제가 발생한다. 레이아웃/리사이즈 직후
+   * 호출해 분리를 복구한다.
+   */
+  private _consolidateMultiSeriesPanes(): void {
+    for (const entry of this.indicators.values()) {
+      if (entry.seriesList.length < 2) continue;
+
+      const def = getIndicatorDef(entry.type);
+      // 오버레이(BB 등)·마커 지표는 캔들 pane(0)을 공유하므로 통일 대상에서 제외
+      if (def?.overlay || def?.returnsMarkers) continue;
+
+      // 서브패널 지표: 모든 plot 을 동일한 실제 지표 pane 으로 통일.
+      // 시리즈가 흩어졌을 때 가장 깊은 pane(=정상 배치된 plot 의 pane)을 타깃으로 삼고,
+      // 모두 0/1(캔들·볼륨 슬롯)에 갇혀 있으면 첫 실제 sub-pane 으로 끌어올린다.
+      // (볼륨 숨김 시 minSub=1 이므로 pane 1 이 정상 지표 pane 이 된다.)
+      const minSub = this._minIndicatorSubPane();
+      let target = -1;
+      for (const s of entry.seriesList) {
+        const pi = this._readSeriesPaneIndex(s);
+        if (pi > target) target = pi;
+      }
+      if (target < minSub) target = minSub;
+
+      let moved = false;
+      for (const s of entry.seriesList) {
+        try {
+          if (this._readSeriesPaneIndex(s) !== target) {
+            s.moveToPane(target);
+            moved = true;
+          }
+        } catch { /* ok */ }
+      }
+      if (!moved && entry.paneIndex === target) continue;
+      entry.paneIndex = target;
+
+      // 통일된 pane 에서 OBV 전용 축 옵션 재확정 (이동 중 손실 방지)
+      if (entry.type === 'OBV' && entry.config) {
+        try {
+          this.chart.priceScale(`obv-${entry.config.id}`, target).applyOptions({
+            visible: true,
+            scaleMargins: { top: 0.12, bottom: 0.12 },
+          });
+        } catch { /* ok */ }
+      }
+    }
+  }
+
   private _getNextSubPane(): number {
     const used = this._collectUsedSubPaneIndices();
-    let pane = 2;
+    let pane = this._minIndicatorSubPane();
     while (used.has(pane)) pane++;
     return pane;
   }
@@ -1965,7 +2184,8 @@ export class ChartManager {
   private _resolveSubPane(config: IndicatorConfig): number {
     if (config.mergedWith) {
       const host = this.indicators.get(config.mergedWith);
-      if (host?.paneIndex != null && host.paneIndex >= 2) {
+      const minSub = this._minIndicatorSubPane();
+      if (host?.paneIndex != null && host.paneIndex >= minSub) {
         return host.paneIndex;
       }
     }
@@ -2081,7 +2301,11 @@ export class ChartManager {
       if (dataGenAtStart !== this._dataGeneration) return;
       if (!entry.config) continue;
       try {
-        if (DUAL_LINE_INDICATOR_TYPES.has(entry.type)) {
+        if (entry.type === 'OBV') {
+          const missing = !entry.seriesMeta.some(m => m.plotId === 'plot0')
+            || !entry.seriesMeta.some(m => m.plotId === 'plot1');
+          if (missing) await this._ensureObvSeriesForEntry(entry);
+        } else if (DUAL_LINE_INDICATOR_TYPES.has(entry.type)) {
           const config = enrichIndicatorConfig(entry.config);
           const def = getIndicatorDef(entry.type);
           if (this._dualLineSeriesOutOfSync(entry, config, def)) {
@@ -2099,6 +2323,12 @@ export class ChartManager {
           this._refreshIchimokuSeriesData(entry, plots);
           continue;
         }
+        if (entry.type === 'OBV' && entry.config) {
+          this._setIndicatorPlotsFullData(
+            entry, plots, enrichIndicatorConfig(entry.config),
+          );
+          continue;
+        }
         this._applyLastPointsToSeries(entry, plots, /* updateFutureSpans */ false);
       } catch { /* 계산 실패 무시 */ }
     }
@@ -2313,7 +2543,11 @@ export class ChartManager {
         if (dataGenAtStart !== this._dataGeneration) return;
         if (!entry.config) continue;
         try {
-          if (DUAL_LINE_INDICATOR_TYPES.has(entry.type)) {
+          if (entry.type === 'OBV') {
+            const missing = !entry.seriesMeta.some(m => m.plotId === 'plot0')
+              || !entry.seriesMeta.some(m => m.plotId === 'plot1');
+            if (missing) await this._ensureObvSeriesForEntry(entry);
+          } else if (DUAL_LINE_INDICATOR_TYPES.has(entry.type)) {
             const config = enrichIndicatorConfig(entry.config);
             const def = getIndicatorDef(entry.type);
             if (this._dualLineSeriesOutOfSync(entry, config, def)) {
@@ -2330,6 +2564,12 @@ export class ChartManager {
           if (entry.type === 'IchimokuCloud' && entry.cloudPlugin) {
             this._applyIchimokuCloudPlugin(entry.cloudPlugin, plots, entry.config);
           }
+          if (entry.type === 'OBV' && entry.config) {
+            this._setIndicatorPlotsFullData(
+              entry, plots, enrichIndicatorConfig(entry.config),
+            );
+            continue;
+          }
           // updateFutureSpans=true → 새 캔들 추가 시 SpanA/B setData() 전체 재설정
           this._applyLastPointsToSeries(entry, plots, /* updateFutureSpans */ true);
         } catch { /* 인디케이터 계산 실패 무시 */ }
@@ -2799,7 +3039,10 @@ export class ChartManager {
         type:       entry.type,
         config:     entry.config,
         paneIndex:  entry.paneIndex ?? 0,
-        plotColors: entry.seriesMeta.map(m => m.color),
+        plotColors: this._plotOrderForEntry(entry).map(plotId => {
+          const meta = entry.seriesMeta.find(m => m.plotId === plotId);
+          return (meta?.color ?? '#888888').slice(0, 7);
+        }),
       });
     }
     return result;
@@ -2812,14 +3055,7 @@ export class ChartManager {
   getIndicatorValuesByIdFromParams(params: MouseEventParams<Time>): Record<string, number[]> {
     const result: Record<string, number[]> = {};
     for (const [id, entry] of this.indicators) {
-      const vals: number[] = [];
-      for (const series of entry.seriesList) {
-        // eslint-disable-next-line @typescript-eslint/no-explicit-any
-        const d = params.seriesData.get(series) as any;
-        if (!d) { vals.push(NaN); continue; }
-        const v = typeof d.value === 'number' ? d.value : NaN;
-        vals.push(v);
-      }
+      const vals = this._indicatorValuesInPlotOrder(entry, params);
       if (vals.some(v => !isNaN(v))) result[id] = vals;
     }
     return result;
@@ -3120,7 +3356,9 @@ export class ChartManager {
       let plot: PlotDef | undefined;
       const pid = entry.seriesMeta[i]?.plotId;
       plot = (pid ? plotById[pid] : undefined) ?? plotDefs[i];
-      const visible = this._resolveSeriesVisible(config, pid);
+      const visible = entry.type === 'OBV'
+        ? indicatorVisible
+        : this._resolveSeriesVisible(config, pid);
       if (!plot) {
         // eslint-disable-next-line @typescript-eslint/no-explicit-any
         series.applyOptions({ visible } as any);
@@ -3138,8 +3376,16 @@ export class ChartManager {
       }
       if (!entry.seriesMeta[i]?.isHistogram) {
         const regPlot = def?.plots?.find(p => p.id === pid);
-        opts['color'] = resolvePlotLineColor(plot.color, regPlot?.color ?? plot.color ?? '#aaa');
-        opts['lineWidth'] = Math.max(1, plot.lineWidth ?? regPlot?.lineWidth ?? 1);
+        const defaultObvColor = pid === 'plot0' ? '#2196F3' : pid === 'plot1' ? '#FF9800' : '#2962FF';
+        opts['color'] = resolvePlotLineColor(
+          plot.color,
+          regPlot?.color ?? plot.color ?? (entry.type === 'OBV' ? defaultObvColor : '#aaa'),
+        );
+        opts['lineWidth'] = entry.type === 'OBV'
+          ? ((pid === 'plot0'
+            ? Math.max(2, plot.lineWidth ?? regPlot?.lineWidth ?? 2)
+            : Math.max(1, plot.lineWidth ?? regPlot?.lineWidth ?? 1)) as 1 | 2 | 3 | 4)
+          : Math.max(1, plot.lineWidth ?? regPlot?.lineWidth ?? 1);
         opts['lineStyle'] = plotSeriesLineStyle(plot.lineStyle);
         let plotAllows = true;
         if (entry.type === 'IchimokuCloud') {
@@ -3489,9 +3735,9 @@ export class ChartManager {
     this.autoScale();
   }
 
-  /** pane 2+ 하단 보조지표 여부 (pane 0 오버레이 제외) */
+  /** 하단 보조지표 pane 여부 (pane 0 오버레이 제외, 볼륨 숨김 시 pane 1 포함) */
   private _isSubPaneIndicator(entry: IndicatorEntry): boolean {
-    return (entry.paneIndex ?? 0) >= 2;
+    return (entry.paneIndex ?? 0) >= this._minIndicatorSubPane();
   }
 
   /** 캔들 전체보기 — 하단 보조지표 pane 시리즈·기준선 숨김 */
@@ -3687,23 +3933,57 @@ export class ChartManager {
     const lrSpan = lr.to - lr.from;
     if (!Number.isFinite(lrSpan) || lrSpan <= 0) return null;
 
-    const targetCount = Math.max(4, Math.min(12, Math.floor(plotWidth / 76)));
-    const step = Math.max(1, Math.ceil((lr.to - Math.max(0, lr.from)) / targetCount));
-
-    const labels: Array<{ x: number; text: string }> = [];
     const fmt = this.chartTimeFormat;
     const tz = this.displayTimezone;
+    const tf = this.displayTimeframe;
     const startLogical = Math.max(0, Math.ceil(lr.from));
     const endLogical = Math.min(this.rawBars.length - 1, Math.floor(lr.to));
+    if (endLogical <= startLogical) return null;
 
-    for (let logical = startLogical; logical <= endLogical; logical += step) {
+    const firstT = this.rawBars[startLogical]?.time;
+    const lastT = this.rawBars[endLogical]?.time;
+    if (!firstT || !lastT || lastT <= firstT) return null;
+
+    // 하단 네이티브 시간축과 동일하게 "정시 경계"에 눈금 배치 → x·텍스트 정렬.
+    // (네이티브 LWC 도 실제 바 위치에 round time 눈금을 찍는다)
+    const NICE_STEPS_SEC = [
+      60, 120, 300, 600, 900, 1800,        // 분 단위
+      3600, 7200, 10800, 21600, 43200,     // 시간 단위
+      86400, 172800, 604800,               // 일·주 단위
+    ];
+    const targetCount = Math.max(3, Math.min(10, Math.floor(plotWidth / 92)));
+    const visSpanSec = lastT - firstT;
+    let stepSec = NICE_STEPS_SEC[NICE_STEPS_SEC.length - 1];
+    for (const s of NICE_STEPS_SEC) {
+      if (visSpanSec / s <= targetCount) { stepSec = s; break; }
+    }
+
+    // 표시 시간대 기준 벽시계 정렬용 오프셋
+    const offsetSec = getTimezoneOffsetSec(firstT, tz);
+    const labels: Array<{ x: number; text: string }> = [];
+    let prevBucket: number | null = null;
+    let prevDayKey: number | null = null;
+
+    for (let logical = startLogical; logical <= endLogical; logical++) {
       const bar = this.rawBars[logical];
       if (!bar?.time) continue;
+      const bucket = Math.floor((bar.time + offsetSec) / stepSec);
+      if (bucket === prevBucket) continue;     // 같은 경계 버킷 → 첫 바만 눈금
+      prevBucket = bucket;
+
       const x = this._logicalToAxisX(logical, lr, plotWidth);
       if (!Number.isFinite(x) || x < 12 || x > plotWidth - 12) continue;
+
+      const dayKey = Math.floor((bar.time + offsetSec) / 86400);
+      const isDayChange = prevDayKey !== null && dayKey !== prevDayKey;
+      prevDayKey = dayKey;
+      const tickType = stepSec >= 86400 || isDayChange
+        ? TickMarkType.DayOfMonth
+        : TickMarkType.Time;
+
       labels.push({
         x,
-        text: formatUnixWithChartPattern(bar.time, fmt, tz),
+        text: formatLwcTickMarkWithPattern(bar.time as Time, tickType, tf, tz, fmt),
       });
     }
 
@@ -4141,6 +4421,13 @@ export class ChartManager {
           continue;
         }
 
+        if (entry.type === 'OBV' && entry.config) {
+          this._setIndicatorPlotsFullData(
+            entry, plots, enrichIndicatorConfig(entry.config),
+          );
+          continue;
+        }
+
         // 일반 지표: 각 시리즈에 전체 데이터 setData
         for (let i = 0; i < entry.seriesList.length; i++) {
           const series = entry.seriesList[i];
@@ -4448,7 +4735,14 @@ export class ChartManager {
       if (paneIndex === 0) {
         panes[i].setStretchFactor(mainWeight);
       } else if (paneIndex === 1) {
-        panes[i].setStretchFactor(volumeShown ? volWeight : ORPHAN_STRETCH);
+        if (volumeShown) {
+          panes[i].setStretchFactor(volWeight);
+        } else if (activeIndPanes.has(1)) {
+          // 볼륨 숨김 + pane 1 에 보조지표가 배치된 경우 → 지표 pane 으로 취급해 높이 부여
+          panes[i].setStretchFactor(indWeight);
+        } else {
+          panes[i].setStretchFactor(ORPHAN_STRETCH);
+        }
       } else if (activeIndPanes.has(paneIndex)) {
         panes[i].setStretchFactor(indWeight);
       } else {
diff --git a/frontend/src/utils/customIndicators.ts b/frontend/src/utils/customIndicators.ts
index 099f143..2afe3ff 100644
--- a/frontend/src/utils/customIndicators.ts
+++ b/frontend/src/utils/customIndicators.ts
@@ -81,6 +81,43 @@ function toPlotData(bars: OHLCVBar[], values: number[]): PlotData {
   }));
 }
 
+/**
+ * STOMP volume=0 봉이 섞이면 acc=0 이 plot 에 남아 Y축(0~−800만)이 벌어지고
+ * 본선이 pane 최상단에 납작해짐. 차트 setData 직전에도 한 번 더 걸러낸다.
+ */
+export function filterObvPlotDataForChart(
+  plotData: PlotData,
+  allPlots: Record<string, PlotData>,
+): PlotData {
+  let maxAbs = 0;
+  for (const id of ['plot0', 'plot1'] as const) {
+    for (const p of allPlots[id] ?? []) {
+      if (Number.isFinite(p.value)) maxAbs = Math.max(maxAbs, Math.abs(p.value));
+    }
+  }
+  return plotData.filter(p => {
+    if (p.value === null || Number.isNaN(p.value)) return false;
+    if (maxAbs >= 100 && p.value === 0) return false;
+    return true;
+  });
+}
+
+/** OBV 누적 시작 — 첫 volume>0 봉 이전은 NaN (STOMP volume=0 history 제외) */
+function firstObvTradeBarIndex(bars: OHLCVBar[]): number {
+  for (let i = 1; i < bars.length; i++) {
+    if ((Number(bars[i].volume) || 0) > 0) return i;
+  }
+  return -1;
+}
+
+function finalizeObvSeries(values: number[]): number[] {
+  const finite = values.filter(v => Number.isFinite(v));
+  if (finite.length === 0) return values;
+  const maxAbs = Math.max(...finite.map(v => Math.abs(v)));
+  if (maxAbs < 100) return values;
+  return values.map(v => (Number.isFinite(v) && v === 0 ? NaN : v));
+}
+
 /** 업비트 이격도: 종가 ÷ 이동평균 × 100 */
 export function calcDisparityUpbit(
   bars: OHLCVBar[],
@@ -338,35 +375,40 @@ export function calcOBVWithMA(
   const maType = raw === 'EMA' || raw === 'WMA' ? raw : 'SMA';
   const maLen = Math.max(1, Number(params.maLength ?? 9) || 9);
 
-  const obv: number[] = [];
+  const start = firstObvTradeBarIndex(bars);
+  const obv: number[] = new Array(bars.length).fill(NaN);
   let acc = 0;
-  for (let i = 0; i < bars.length; i++) {
-    if (i === 0) {
-      obv.push(0);
-      continue;
+
+  if (start >= 0) {
+    for (let i = start; i < bars.length; i++) {
+      const vol = Number(bars[i].volume) || 0;
+      if (bars[i].close > bars[i - 1].close) acc += vol;
+      else if (bars[i].close < bars[i - 1].close) acc -= vol;
+      obv[i] = acc;
     }
-    const vol = Number(bars[i].volume) || 0;
-    if (bars[i].close > bars[i - 1].close) acc += vol;
-    else if (bars[i].close < bars[i - 1].close) acc -= vol;
-    obv.push(acc);
   }
 
+  const obvClean = finalizeObvSeries(obv);
+
   let ma: number[];
   switch (maType) {
     case 'EMA':
-      ma = ema(obv, maLen);
+      ma = ema(obvClean, maLen);
       break;
     case 'WMA':
-      ma = wma(obv, maLen);
+      ma = wma(obvClean, maLen);
       break;
     default:
-      ma = sma(obv, maLen);
+      ma = sma(obvClean, maLen);
   }
 
-  return {
-    plot0: toPlotData(bars, obv),
+  const plots: Record<string, PlotData> = {
+    plot0: toPlotData(bars, obvClean),
     plot1: toPlotData(bars, ma),
   };
+  plots.plot0 = filterObvPlotDataForChart(plots.plot0, plots);
+  plots.plot1 = filterObvPlotDataForChart(plots.plot1, plots);
+  return plots;
 }
 
 /**
diff --git a/frontend/src/utils/indicatorMainConfig.ts b/frontend/src/utils/indicatorMainConfig.ts
index e51c3d1..f423710 100644
--- a/frontend/src/utils/indicatorMainConfig.ts
+++ b/frontend/src/utils/indicatorMainConfig.ts
@@ -3,7 +3,7 @@
  */
 import type { IndicatorConfig } from '../types';
 import type { PlotDef, HLineDef } from './indicatorRegistry';
-import { getIndicatorDef, enrichIndicatorConfig } from './indicatorRegistry';
+import { getIndicatorDef, enrichIndicatorConfig, mergePlotDefs } from './indicatorRegistry';
 import { MAIN_INDICATOR_TYPES } from './indicatorMainTab';
 import { getSettingsIndicatorTypes } from './indicatorSettingsList';
 import { initializeIndicatorConfigForEditor } from './indicatorSettingsEditor';
@@ -15,6 +15,38 @@ import { normalizeIchimokuConfig } from './ichimokuConfig';
 import type { IchimokuCloudColors } from './ichimokuConfig';
 import { isMainIndicatorType } from './indicatorMainTab';
 import { indicatorDefaultsFingerprint } from './indicatorDefaultsFingerprint';
+import { isStrategyChartIndicatorId } from './strategyToChartIndicators';
+
+function overlayWorkspaceVisualOntoStrategyIndicator(
+  ind: IndicatorConfig,
+  workspaceByType: Map<string, IndicatorConfig>,
+): IndicatorConfig {
+  if (!isStrategyChartIndicatorId(ind.id)) return ind;
+  const ws = workspaceByType.get(ind.type);
+  if (!ws) return ind;
+
+  /** OBV — slot0 워크스페이스 인스턴스와 동일 params·plots (maLength·실선 신호선 등) */
+  if (ind.type === 'OBV') {
+    return enrichIndicatorConfig({
+      ...ws,
+      id: ind.id,
+      hidden: ind.hidden,
+      mergedWith: ind.mergedWith,
+      plotVisibility: { plot0: true, plot1: true, ...ws.plotVisibility },
+    });
+  }
+
+  const def = getIndicatorDef(ind.type);
+  return {
+    ...ind,
+    plots: ws.plots?.length
+      ? mergePlotDefs(ws.plots, ind.plots ?? def?.plots ?? [])
+      : ind.plots,
+    hlines: ws.hlines?.length ? ws.hlines : ind.hlines,
+    cloudColors: ws.cloudColors ?? ind.cloudColors,
+    bandBackground: ws.bandBackground ?? ind.bandBackground,
+  };
+}
 
 export type MainIndicatorDraftMap = Record<string, IndicatorConfig>;
 
@@ -103,11 +135,29 @@ export function mergeGlobalDefaultsOntoChartIndicators(
     defaultPlots?: PlotDef[],
     defaultHlines?: HLineDef[],
   ) => { plots: PlotDef[]; hlines: HLineDef[]; cloudColors?: IchimokuCloudColors },
+  workspaceIndicators?: IndicatorConfig[],
 ): IndicatorConfig[] {
+  const workspaceByType = workspaceIndicators?.length
+    ? new Map(workspaceIndicators.map(i => [i.type, i]))
+    : null;
+
   return activeIndicators.map(ind => {
-    const cfg = buildMainIndicatorConfig(ind.type, [ind], getParams, getVisualConfig);
+    /**
+     * strat_* 지표(알림 미니 차트 등) — raw.plots 가 registry 기본값(점선·주황)으로
+     * 고정되면 getVisualConfig(DB 전역 설정)를 덮어씀. 워크스페이스 ind_* 만 인스턴스 plots 유지.
+     */
+    const baseInd = isStrategyChartIndicatorId(ind.id)
+      ? {
+        ...ind,
+        plots: [],
+        hlines: [],
+        cloudColors: undefined,
+        bandBackground: undefined,
+      }
+      : ind;
+    const cfg = buildMainIndicatorConfig(ind.type, [baseInd], getParams, getVisualConfig);
     if (!cfg) return enrichIndicatorConfig(ind);
-    return finalizeMainIndicatorConfig(
+    let out = finalizeMainIndicatorConfig(
       {
         ...cfg,
         id: ind.id,
@@ -116,6 +166,11 @@ export function mergeGlobalDefaultsOntoChartIndicators(
       },
       false,
     );
+    if (workspaceByType) {
+      out = overlayWorkspaceVisualOntoStrategyIndicator(out, workspaceByType);
+      out = finalizeMainIndicatorConfig(out, false);
+    }
+    return out;
   });
 }
 
diff --git a/frontend/src/utils/indicatorRegistry.ts b/frontend/src/utils/indicatorRegistry.ts
index abeedde..189ab0e 100644
--- a/frontend/src/utils/indicatorRegistry.ts
+++ b/frontend/src/utils/indicatorRegistry.ts
@@ -442,6 +442,37 @@ export function mergePlotDefs(saved: PlotDef[] | undefined, defaults: PlotDef[])
   });
 }
 
+/**
+ * DB visual PATCH 저장 plots — registry 필드를 무분별히 상속하지 않음.
+ * (저장 객체에 lineStyle·color 키가 없으면 registry 점선·주황이 끼어드는 문제 방지)
+ */
+export function mergePlotDefsFromSavedVisual(
+  saved: PlotDef[] | undefined,
+  registryPlots: PlotDef[],
+  indicatorType?: string,
+): PlotDef[] {
+  if (!registryPlots.length) return (saved ?? []).map(p => ({ ...p }));
+  const savedMap = new Map((saved ?? []).map(p => [p.id, p]));
+  return registryPlots.map(def => {
+    const s = savedMap.get(def.id);
+    if (!s) return { ...def };
+    const out: PlotDef = {
+      ...def,
+      color: s.color ?? def.color,
+      lineWidth: s.lineWidth ?? def.lineWidth,
+      lineStyle: Object.prototype.hasOwnProperty.call(s, 'lineStyle')
+        ? s.lineStyle
+        : def.lineStyle,
+      type: s.type ?? def.type,
+      histogramUpColor: s.histogramUpColor ?? def.histogramUpColor,
+      histogramDownColor: s.histogramDownColor ?? def.histogramDownColor,
+      id: def.id,
+      title: def.title,
+    };
+    return out;
+  });
+}
+
 /** OBV·CCI·RSI·TRIX — 이중 plot 병합·표시 보장 */
 const SIGNAL_LINE_INDICATOR_TYPES = new Set(['OBV', 'CCI', 'RSI', 'TRIX']);
 
@@ -474,16 +505,15 @@ function normalizeSignalLineIndicatorPlots(
     const nextPlots = merged.map(p => {
       const reg = registryPlots.find(r => r.id === p.id);
       if (!reg) return p;
-      const defaultLineStyle = p.id === 'plot1' ? 'solid' as const : undefined;
-      return normalizeDualLinePlotDef(p, reg, defaultLineStyle);
+      return normalizeDualLinePlotDef(p, reg);
     });
     nextPlots.sort((a, b) => {
       const order = ['plot0', 'plot1'];
       return order.indexOf(a.id) - order.indexOf(b.id);
     });
     const nextVis = { ...plotVisibility };
-    if (nextVis.plot0 !== false) nextVis.plot0 = true;
-    if (nextVis.plot1 !== false) nextVis.plot1 = true;
+    nextVis.plot0 = true;
+    nextVis.plot1 = true;
     return { plots: nextPlots, plotVisibility: nextVis };
   }
 
diff --git a/frontend/src/utils/indicatorSettingsEditor.ts b/frontend/src/utils/indicatorSettingsEditor.ts
index a65b2b0..2f87a84 100644
--- a/frontend/src/utils/indicatorSettingsEditor.ts
+++ b/frontend/src/utils/indicatorSettingsEditor.ts
@@ -10,6 +10,7 @@ import {
   normalizeObvParams,
   enrichIndicatorConfig,
 } from './indicatorRegistry';
+import { isStrategyChartIndicatorId } from './strategyToChartIndicators';
 import {
   normalizeBollingerParams,
   DEFAULT_BB_BAND_BACKGROUND,
@@ -64,10 +65,12 @@ export function initializeIndicatorConfigForEditor(
     : { ...raw.params };
   const visual = getVisualConfig?.(raw.type, def.plots, def.hlines);
 
-  const mergedPlots = mergePlotDefs(
-    raw.plots?.length ? raw.plots : undefined,
-    mergePlotDefs(visual?.plots, def.plots),
-  );
+  const mergedPlots = isStrategyChartIndicatorId(raw.id)
+    ? mergePlotDefs(undefined, mergePlotDefs(visual?.plots, def.plots))
+    : mergePlotDefs(
+      raw.plots?.length ? raw.plots : undefined,
+      mergePlotDefs(visual?.plots, def.plots),
+    );
 
   return enrichIndicatorConfig({
     ...raw,
diff --git a/frontend/src/utils/notificationChartIndicators.ts b/frontend/src/utils/notificationChartIndicators.ts
new file mode 100644
index 0000000..7e9c6b5
--- /dev/null
+++ b/frontend/src/utils/notificationChartIndicators.ts
@@ -0,0 +1,60 @@
+/**
+ * 알림 미니 차트 — 메인 실시간 차트(slot0)와 동일한 지표 설정 사용
+ *
+ * strat_* + buildStrategyChartIndicators 경로는 period=1 → maLength 오염 등
+ * 메인 ind_* 워크스페이스 설정과 어긋난다. 워크스페이스에 동일 type 이 있으면
+ * ind_* 인스턴스를 그대로 쓴다 (params·plots·maLength·id 모두 동일).
+ */
+import type { IndicatorConfig } from '../types';
+import { enrichIndicatorConfig } from './indicatorRegistry';
+
+/**
+ * @param strategyIndicators mergeGlobalDefaults·ensurePaperChartOverlays 적용 후 목록
+ * @param workspaceIndicators slot0.indicators (메인 차트와 동일)
+ */
+export function resolveNotificationChartIndicators(
+  strategyIndicators: IndicatorConfig[],
+  workspaceIndicators: IndicatorConfig[],
+): IndicatorConfig[] {
+  if (!workspaceIndicators.length) {
+    return strategyIndicators.map(enrichIndicatorConfig);
+  }
+
+  const wsByType = new Map(workspaceIndicators.map(i => [i.type, i]));
+
+  return strategyIndicators.map(stratInd => {
+    const ws = wsByType.get(stratInd.type);
+    if (!ws) return enrichIndicatorConfig(stratInd);
+    return enrichIndicatorConfig({
+      ...ws,
+      hidden: stratInd.hidden ?? ws.hidden,
+      mergedWith: stratInd.mergedWith ?? ws.mergedWith,
+    });
+  });
+}
+
+/**
+ * 워크스페이스에 필요한 type 이 모두 있으면 strat 빌드 없이 slot0 지표만 사용.
+ * (메인 ChartSlot 과 동일한 ind_* 설정·순서)
+ */
+export function buildNotificationChartIndicators(
+  withOverlays: IndicatorConfig[],
+  workspaceIndicators: IndicatorConfig[],
+): IndicatorConfig[] {
+  const neededTypes = new Set(withOverlays.map(i => i.type));
+
+  if (workspaceIndicators.length > 0
+    && [...neededTypes].every(t => workspaceIndicators.some(w => w.type === t))) {
+    const wsByType = new Map(workspaceIndicators.map(w => [w.type, w]));
+    return withOverlays.map(ind => {
+      const ws = wsByType.get(ind.type)!;
+      return enrichIndicatorConfig({
+        ...ws,
+        hidden: ind.hidden ?? ws.hidden,
+        mergedWith: ind.mergedWith ?? ws.mergedWith,
+      });
+    });
+  }
+
+  return resolveNotificationChartIndicators(withOverlays, workspaceIndicators);
+}
diff --git a/frontend/src/utils/strategyToChartIndicators.ts b/frontend/src/utils/strategyToChartIndicators.ts
index 6f518c3..0d94c63 100644
--- a/frontend/src/utils/strategyToChartIndicators.ts
+++ b/frontend/src/utils/strategyToChartIndicators.ts
@@ -15,7 +15,7 @@ import {
 import { initializeIndicatorConfigForEditor } from './indicatorSettingsEditor';
 import { mergeGlobalDefaultsOntoChartIndicators } from './indicatorMainConfig';
 import { buildMainIndicatorConfig } from './indicatorMainConfig';
-import { normalizeSmaConfig, smaPeriodKey } from './smaConfig';
+import { normalizeSmaConfig } from './smaConfig';
 import { normalizeIchimokuConfig } from './ichimokuConfig';
 import { extractVirtualConditions } from './virtualStrategyConditions';
 
@@ -68,6 +68,11 @@ type GetVisual = (
   cloudColors?: import('./ichimokuConfig').IchimokuCloudColors;
 };
 
+/** 알림·가상투자 등 전략에서 생성된 차트 지표 id (워크스페이스 ind_* 와 구분) */
+export function isStrategyChartIndicatorId(id: string): boolean {
+  return id.startsWith('strat_');
+}
+
 /** 전략 DSL 기준 안정 id — getVisualConfig/settingsRevision 변경 시 id 재발급 방지 */
 export function stableStrategyIndicatorId(ref: IndicatorRef): string {
   const parts = [ref.registryType];
@@ -192,37 +197,25 @@ function buildOneIndicator(
     ...(cloudColors ? { cloudColors } : {}),
   };
 
+  /**
+   * 모든 보조지표의 기간(period)은 반드시 지표 설정(getParams, DB 저장값)을 사용한다.
+   * 전략 DSL 조건의 period/leftPeriod/rightPeriod 로 덮어쓰지 않는다.
+   * 조건의 기간 필드는 부정확(미설정 시 1 등)할 수 있어 SMA(1)=본선 겹침 등
+   * 잘못된 그래프를 만든다. 설정에 저장된 값(예: OBV 신호선 9일)이 유일한 기준.
+   * cfg.params 는 이미 getParams(저장 설정값) 결과이므로 그대로 사용.
+   */
   if (ref.registryType === 'SMA') {
     const mainSma = buildMainIndicatorConfig('SMA', [], getParams, getVisual as Parameters<typeof buildMainIndicatorConfig>[3]);
-    const periods = [ref.period, ref.leftPeriod, ref.rightPeriod]
-      .filter((p): p is number => typeof p === 'number' && p > 0);
-    const p = { ...cfg.params };
-    if (periods.length > 0) {
-      periods.slice(0, 11).forEach((val, i) => {
-        p[smaPeriodKey(i + 1)] = val;
-      });
-    }
     cfg = normalizeSmaConfig({
       ...cfg,
-      params: p,
+      params: mainSma?.params ?? cfg.params,
       plots: mainSma?.plots ?? cfg.plots,
       plotVisibility: mainSma?.plotVisibility ?? cfg.plotVisibility,
     });
   } else if (ref.registryType === 'OBV') {
-    const p = normalizeObvParams({ ...cfg.params });
-    const signalLen = ref.rightPeriod ?? ref.period;
-    if (signalLen != null && signalLen > 0) {
-      p.maLength = signalLen;
-    }
     cfg = {
       ...cfg,
-      params: p,
-      plots: mergePlotDefs(cfg.plots, def.plots),
-    };
-  } else if (ref.period != null && ref.period > 0) {
-    cfg = {
-      ...cfg,
-      params: { ...cfg.params, length: ref.period },
+      params: normalizeObvParams({ ...cfg.params }),
     };
   }
 
@@ -246,6 +239,7 @@ export function buildStrategyChartIndicators(
   strategy: StrategyDto | undefined,
   getParams: GetParams,
   getVisual: GetVisual,
+  workspaceIndicators?: IndicatorConfig[],
 ): IndicatorConfig[] {
   if (!strategy) return [];
 
@@ -276,6 +270,7 @@ export function buildStrategyChartIndicators(
     result,
     getParams,
     (type, defaultPlots, defaultHlines) => getVisual(type, defaultPlots ?? [], defaultHlines ?? []),
+    workspaceIndicators,
   );
 }
 
diff --git a/frontend/src/utils/timezone.ts b/frontend/src/utils/timezone.ts
index 297a1a0..de52032 100644
--- a/frontend/src/utils/timezone.ts
+++ b/frontend/src/utils/timezone.ts
@@ -73,6 +73,31 @@ export function getTimezoneAbbr(tz: string): string {
   return TIMEZONE_OPTIONS.find(o => o.id === id)?.abbr ?? id.split('/').pop() ?? 'TZ';
 }
 
+/**
+ * 주어진 시각의 표시 시간대 오프셋(초). 벽시계 정시 경계 정렬에 사용.
+ * (예: Asia/Seoul → +32400)
+ */
+export function getTimezoneOffsetSec(unixSec: number, tz?: string): number {
+  const zone = normalizeTimezone(tz ?? _tz);
+  const parts = new Intl.DateTimeFormat('en-GB', {
+    timeZone: zone,
+    year: 'numeric', month: '2-digit', day: '2-digit',
+    hour: '2-digit', minute: '2-digit', second: '2-digit',
+    hour12: false,
+  }).formatToParts(new Date(unixSec * 1000));
+  const map: Record<string, string> = {};
+  for (const p of parts) {
+    if (p.type !== 'literal') map[p.type] = p.value;
+  }
+  let hour = Number(map.hour);
+  if (hour === 24) hour = 0;
+  const asUTC = Date.UTC(
+    Number(map.year), Number(map.month) - 1, Number(map.day),
+    hour, Number(map.minute), Number(map.second),
+  ) / 1000;
+  return asUTC - unixSec;
+}
+
 /** 하단 바·시계 등 HH:mm:ss */
 export function formatUnixClock(unixSec: number, tz?: string, withSeconds = true): string {
   if (!unixSec) return '–';
diff --git a/frontend/src/utils/workspaceChartIndicatorsCache.ts b/frontend/src/utils/workspaceChartIndicatorsCache.ts
new file mode 100644
index 0000000..253863a
--- /dev/null
+++ b/frontend/src/utils/workspaceChartIndicatorsCache.ts
@@ -0,0 +1,48 @@
+/**
+ * 워크스페이스 slot0 보조지표 — 알림 미니 차트가 메인 차트 인스턴스 스타일과 맞추도록
+ */
+import type { IndicatorConfig } from '../types';
+import { loadWorkspace } from './backendApi';
+
+let cached: IndicatorConfig[] | null = null;
+let loadPromise: Promise<IndicatorConfig[]> | null = null;
+let loadedSessionKey: number | null = null;
+
+export function invalidateWorkspaceChartIndicatorsCache(): void {
+  cached = null;
+  loadPromise = null;
+  loadedSessionKey = null;
+}
+
+export function ensureWorkspaceChartIndicators(sessionKey = 0): Promise<IndicatorConfig[]> {
+  if (cached !== null && loadedSessionKey === sessionKey) {
+    return Promise.resolve(cached);
+  }
+  if (loadedSessionKey !== sessionKey) {
+    cached = null;
+    loadPromise = null;
+  }
+  if (!loadPromise) {
+    loadPromise = loadWorkspace()
+      .then(ws => {
+        const slot0 = (Array.isArray(ws?.slots) ? ws.slots[0] : null) as
+          | { indicators?: IndicatorConfig[] }
+          | null;
+        cached = Array.isArray(slot0?.indicators) ? slot0!.indicators! : [];
+        loadedSessionKey = sessionKey;
+        loadPromise = null;
+        return cached;
+      })
+      .catch(() => {
+        cached = [];
+        loadedSessionKey = sessionKey;
+        loadPromise = null;
+        return [];
+      });
+  }
+  return loadPromise;
+}
+
+export function getWorkspaceChartIndicatorsCache(): IndicatorConfig[] | null {
+  return cached;
+}