diff --git a/backend/src/main/java/com/goldenchart/service/StrategyConditionThresholdNormalizer.java b/backend/src/main/java/com/goldenchart/service/StrategyConditionThresholdNormalizer.java
index 4754ad9..c1197f9 100644
--- a/backend/src/main/java/com/goldenchart/service/StrategyConditionThresholdNormalizer.java
+++ b/backend/src/main/java/com/goldenchart/service/StrategyConditionThresholdNormalizer.java
@@ -27,6 +27,8 @@ public final class StrategyConditionThresholdNormalizer {
         JsonNode cond = node.get("condition");
         if (cond != null && cond.isObject()) {
             normalizeCondition((ObjectNode) cond);
+        } else if (node.has("indicatorType") && node.has("conditionType")) {
+            normalizeCondition((ObjectNode) node);
         }
 
         JsonNode children = node.get("children");
diff --git a/backend/src/main/java/com/goldenchart/service/StrategyDslToTa4jAdapter.java b/backend/src/main/java/com/goldenchart/service/StrategyDslToTa4jAdapter.java
index f3a0d3e..7701dbe 100644
--- a/backend/src/main/java/com/goldenchart/service/StrategyDslToTa4jAdapter.java
+++ b/backend/src/main/java/com/goldenchart/service/StrategyDslToTa4jAdapter.java
@@ -216,10 +216,22 @@ public class StrategyDslToTa4jAdapter {
             case "OR"        -> buildOrRule(node, ctx);
             case "NOT"       -> buildNotRule(node, ctx);
             case "TIMEFRAME" -> buildTimeframeRule(node, ctx);
-            default          -> buildConditionRule(node.path("condition"), ctx);
+            default          -> buildConditionRuleNode(node, ctx);
         };
     }
 
+    /** CONDITION 래퍼 — nested condition 또는 인라인 조건 필드 모두 지원 */
+    private Rule buildConditionRuleNode(JsonNode node, RuleBuildContext ctx) {
+        JsonNode nested = node.path("condition");
+        if (nested != null && !nested.isNull() && nested.has("indicatorType")) {
+            return buildConditionRule(nested, ctx);
+        }
+        if (node.has("indicatorType")) {
+            return buildConditionRule(node, ctx);
+        }
+        return new BooleanRule(false);
+    }
+
     /** 조건 DSL left/right 필드의 현재 봉 수치 (가상투자 UI 표시용) */
     public Double readConditionFieldValue(JsonNode cond, BarSeries series,
                                           Map<String, Map<String, Object>> params,
diff --git a/frontend/scripts/test-threshold-normalize.mjs b/frontend/scripts/test-threshold-normalize.mjs
index 69847f8..445a8ae 100644
--- a/frontend/scripts/test-threshold-normalize.mjs
+++ b/frontend/scripts/test-threshold-normalize.mjs
@@ -22,36 +22,26 @@ function inferFromK(field, indicatorType) {
   const val = parseFloat(field.slice(2));
   return inferThresholdRoleForValue(val, indicatorType);
 }
-function coerceTargetValue(raw) {
-  if (raw == null) return null;
-  if (typeof raw === 'number') return Number.isFinite(raw) ? raw : null;
-  if (typeof raw === 'string') {
-    const n = parseFloat(raw.trim());
-    return Number.isFinite(n) ? n : null;
-  }
-  return null;
-}
-function normalizeCondition(cond) {
+function canonicalizeCondition(cond) {
   let next = { ...cond, indicatorType: cond.indicatorType?.toUpperCase?.() ?? cond.indicatorType };
-  const targetNum = coerceTargetValue(next.targetValue);
-  if (isThresholdOverridden(next)) {
-    if (targetNum != null) {
-      const role = inferThresholdRoleForValue(targetNum, next.indicatorType);
-      if (role) {
-        const { targetValue, ...rest } = next;
-        next = { ...rest, rightField: role, thresholdOverride: false };
-      }
-    } else if (next.rightField?.startsWith('K_')) {
-      const role = inferFromK(next.rightField, next.indicatorType);
-      if (role) {
-        const { targetValue, ...rest } = next;
-        next = { ...rest, rightField: role, thresholdOverride: false };
-      }
+  const targetNum = typeof next.targetValue === 'number' && Number.isFinite(next.targetValue)
+    ? next.targetValue
+    : null;
+  const fromField = parseThresholdField(next.rightField);
+  const val = targetNum ?? fromField;
+  if (val != null && Number.isFinite(val)) {
+    const role = inferThresholdRoleForValue(val, next.indicatorType);
+    if (role) {
+      const { targetValue, ...rest } = next;
+      return { ...rest, rightField: role, thresholdOverride: false };
     }
   }
-  if (!isThresholdOverridden(next) && next.rightField?.startsWith('K_')) {
+  if (next.rightField?.startsWith('K_')) {
     const role = inferFromK(next.rightField, next.indicatorType);
-    if (role) next = { ...next, rightField: role, thresholdOverride: false };
+    if (role) {
+      const { targetValue, ...rest } = next;
+      return { ...rest, rightField: role, thresholdOverride: false };
+    }
   }
   return next;
 }
@@ -61,7 +51,7 @@ function isConditionCarrier(node) {
 function normalizeNode(node) {
   let next = { ...node };
   if (isConditionCarrier(node)) {
-    next = { ...node, type: node.type ?? 'CONDITION', condition: normalizeCondition(node.condition) };
+    next = { ...node, type: node.type ?? 'CONDITION', condition: canonicalizeCondition(node.condition) };
   }
   if (next.children?.length) {
     next.children = next.children.map(normalizeNode);
@@ -69,6 +59,17 @@ function normalizeNode(node) {
   return next;
 }
 
+/** 차트 hline mid=48 이어도 직접입력 50 → HL_MID (Ta4j 기본값 기준) */
+function setConditionThreshold(cond, value) {
+  const role = inferThresholdRoleForValue(value, cond.indicatorType);
+  if (role) {
+    const { targetValue, ...rest } = cond;
+    return { ...rest, rightField: role, thresholdOverride: false };
+  }
+  return { ...cond, rightField: `K_${value}`, targetValue: value, thresholdOverride: true };
+}
+
+let failed = 0;
 const cases = [
   { type: 'CONDITION', condition: { indicatorType: 'RSI', rightField: 'K_50', thresholdOverride: true, targetValue: 50 } },
   { condition: { indicatorType: 'RSI', rightField: 'K_50', thresholdOverride: true, targetValue: 50 } },
@@ -78,5 +79,16 @@ for (const c of cases) {
   const r = normalizeNode(c);
   const cond = r.condition ?? r.children?.[0]?.condition;
   const ok = cond?.rightField === 'HL_MID' && cond?.thresholdOverride === false;
+  if (!ok) failed++;
   console.log(ok ? 'PASS' : 'FAIL', JSON.stringify(c).slice(0, 60), '=>', cond?.rightField, cond?.thresholdOverride);
 }
+
+const direct = setConditionThreshold(
+  { indicatorType: 'RSI', rightField: 'HL_OVER', thresholdOverride: false },
+  50,
+);
+const directOk = direct.rightField === 'HL_MID' && direct.thresholdOverride === false;
+if (!directOk) failed++;
+console.log(directOk ? 'PASS' : 'FAIL', 'setConditionThreshold(50) with chart mid≠50 =>', direct.rightField);
+
+process.exit(failed > 0 ? 1 : 0);
diff --git a/frontend/src/components/strategyEditor/ConditionNodeSettings.tsx b/frontend/src/components/strategyEditor/ConditionNodeSettings.tsx
index d2c5e71..3c1cb2f 100644
--- a/frontend/src/components/strategyEditor/ConditionNodeSettings.tsx
+++ b/frontend/src/components/strategyEditor/ConditionNodeSettings.tsx
@@ -20,6 +20,7 @@ import {
   setConditionRightPeriod,
   setConditionThreshold,
   setConditionValuePeriod,
+  canonicalizeConditionThreshold,
   usesValuePeriodField,
 } from '../../utils/conditionPeriods';
 import { compositeDisplayName, compositeElementLabel, COMPOSITE_INDICATOR_ITEMS, switchCompositeIndicatorType } from '../../utils/compositeIndicators';
@@ -168,7 +169,11 @@ export default function ConditionNodeSettings({
               min={thresholdBounds.min}
               max={thresholdBounds.max}
               allowDecimal
-              onChange={v => onChange(setConditionThreshold(condition, 'right', v, def, { directInput: true }))}
+              onChange={v => onChange(
+                canonicalizeConditionThreshold(
+                  setConditionThreshold(condition, 'right', v, def, { directInput: true }),
+                ),
+              )}
             />
           </label>
         </>
diff --git a/frontend/src/components/strategyEditor/StrategyEditorCanvas.tsx b/frontend/src/components/strategyEditor/StrategyEditorCanvas.tsx
index 83a2140..6ccf878 100644
--- a/frontend/src/components/strategyEditor/StrategyEditorCanvas.tsx
+++ b/frontend/src/components/strategyEditor/StrategyEditorCanvas.tsx
@@ -20,6 +20,7 @@ import {
 import '@xyflow/react/dist/style.css';
 import type { Theme } from '../../types/index';
 import type { LogicNode, ConditionDSL } from '../../utils/strategyTypes';
+import { normalizeConditionForPersistence } from '../../utils/strategyConditionNormalize';
 import {
   addChild,
   deleteNode,
@@ -716,21 +717,22 @@ function StrategyEditorCanvasInner({
   }, [clearDropPreview, applyDropWithAttach, addOrphanAt, root, orphans]);
 
   const handleUpdateCondition = useCallback((id: string, condition: ConditionDSL) => {
+    const next = normalizeConditionForPersistence(condition);
     if (isOrphanNode(orphans, id)) {
       onOrphansChange(orphans.map(o => (
-        o.id === id ? { ...o, condition } : o
+        o.id === id ? { ...o, condition: next } : o
       )));
       return;
     }
     if (root && findNodeInTree(root, id)) {
-      onChange(updateNode(root, id, n => ({ ...n, condition })));
+      onChange(updateNode(root, id, n => ({ ...n, condition: next })));
       return;
     }
     for (const [sid, branch] of Object.entries(extraRoots)) {
       if (branch && findNodeInTree(branch, id)) {
         onExtraRootsChange?.({
           ...extraRoots,
-          [sid]: updateNode(branch, id, n => ({ ...n, condition })),
+          [sid]: updateNode(branch, id, n => ({ ...n, condition: next })),
         });
         return;
       }
diff --git a/frontend/src/utils/conditionPeriods.ts b/frontend/src/utils/conditionPeriods.ts
index 1a7c416..b416e2c 100644
--- a/frontend/src/utils/conditionPeriods.ts
+++ b/frontend/src/utils/conditionPeriods.ts
@@ -22,6 +22,7 @@ import {
   isThresholdFieldOrSymbol,
   isThresholdSymbol,
   inferThresholdRoleForValue,
+  inferThresholdSymbolFromLegacyExact,
   resolveInheritedThresholdField,
   resolveThresholdFromDef,
   THRESHOLD_HL_MID,
@@ -204,6 +205,38 @@ export function thresholdField(value: number): string {
   return `K_${value}`;
 }
 
+/**
+ * 표준 hline 값(30/50/70 등)이면 K_*·targetValue 를 HL_* 로 통일.
+ * 차트 커스텀 hline(def.hlThresh)과 무관 — Ta4j 기본 역할값 기준.
+ */
+export function canonicalizeConditionThreshold(cond: ConditionDSL): ConditionDSL {
+  const indicatorType = cond.indicatorType?.toUpperCase?.() ?? cond.indicatorType;
+  let next: ConditionDSL = { ...cond, indicatorType };
+
+  const rawTarget = next.targetValue;
+  const targetNum = typeof rawTarget === 'number' && Number.isFinite(rawTarget) ? rawTarget : null;
+  const fromField = parseThresholdField(next.rightField);
+  const val = Number.isFinite(targetNum) ? targetNum : fromField;
+
+  if (val != null && Number.isFinite(val)) {
+    const role = inferThresholdRoleForValue(val, indicatorType, {});
+    if (role != null) {
+      const { targetValue: _t, ...rest } = next;
+      return { ...rest, rightField: role, thresholdOverride: false };
+    }
+  }
+
+  if (next.rightField?.startsWith('K_')) {
+    const role = inferThresholdSymbolFromLegacyExact(next.rightField, indicatorType, {});
+    if (role != null) {
+      const { targetValue: _t, ...rest } = next;
+      return { ...rest, rightField: role, thresholdOverride: false };
+    }
+  }
+
+  return next;
+}
+
 export function hasEditableThreshold(cond: ConditionDSL): boolean {
   return isThresholdFieldOrSymbol(cond.rightField)
     || isThresholdFieldOrSymbol(cond.leftField)
@@ -280,7 +313,9 @@ export function activateDirectThresholdInput(
     ?? getChartReferenceThreshold(cond, side, inheritedField, def)
     ?? parseThresholdField(side === 'right' ? cond.rightField : cond.leftField);
   if (value == null || !Number.isFinite(value)) return cond;
-  return setConditionThreshold(cond, side, value, def);
+  return canonicalizeConditionThreshold(
+    setConditionThreshold(cond, side, value, def),
+  );
 }
 
 export function setConditionThreshold(
@@ -294,9 +329,7 @@ export function setConditionThreshold(
   const current = cond[fieldKey];
   if (!isThresholdFieldOrSymbol(current)) {
     if (side === 'right' && INDICATORS_WITH_RIGHT_THRESHOLD_INPUT.has(cond.indicatorType)) {
-      const matchedRole = def
-        ? inferThresholdRoleForValue(value, cond.indicatorType, def.hlThresh)
-        : null;
+      const matchedRole = inferThresholdRoleForValue(value, cond.indicatorType, {});
       if (matchedRole != null) {
         const { targetValue: _t, ...rest } = cond;
         return { ...rest, [fieldKey]: matchedRole, thresholdOverride: false };
@@ -318,10 +351,8 @@ export function setConditionThreshold(
     ? getChartReferenceThreshold(cond, side, inheritedField, def)
     : null;
 
-  // 30/50/70 등 hline 역할과 정확히 일치하면 직접입력·프리셋 모두 HL_* 로 통일 (평가 일치)
-  const matchedRole = def
-    ? inferThresholdRoleForValue(value, cond.indicatorType, def.hlThresh)
-    : null;
+  // 30/50/70 등 표준 hline — 차트 커스텀값과 무관하게 HL_* 로 통일 (직접입력·프리셋·평가 일치)
+  const matchedRole = inferThresholdRoleForValue(value, cond.indicatorType, {});
   if (matchedRole != null) {
     const { targetValue: _t, ...rest } = cond;
     return { ...rest, [fieldKey]: matchedRole, thresholdOverride: false };
@@ -335,6 +366,12 @@ export function setConditionThreshold(
     return { ...rest, [fieldKey]: role, thresholdOverride: false };
   }
 
+  const fallbackRole = inferThresholdRoleForValue(value, cond.indicatorType, {});
+  if (fallbackRole != null) {
+    const { targetValue: _t, ...rest } = cond;
+    return { ...rest, [fieldKey]: fallbackRole, thresholdOverride: false };
+  }
+
   return {
     ...cond,
     [fieldKey]: thresholdField(value),
diff --git a/frontend/src/utils/strategyConditionNormalize.ts b/frontend/src/utils/strategyConditionNormalize.ts
index 0bd27ab..0eb2bc7 100644
--- a/frontend/src/utils/strategyConditionNormalize.ts
+++ b/frontend/src/utils/strategyConditionNormalize.ts
@@ -3,6 +3,7 @@ import type { ConditionDSL, LogicNode } from './strategyTypes';
 import type { DefType } from './strategyEditorShared';
 import { getDefaultConditionFields } from './strategyEditorShared';
 import {
+  canonicalizeConditionThreshold,
   isThresholdOverridden,
   isValuePeriodOverridden,
   parseThresholdField,
@@ -43,14 +44,14 @@ function migrateConditionThreshold(
   if (isThresholdOverridden(cond)) {
     const val = coerceTargetValue(cond.targetValue) ?? parseThresholdField(cond.rightField);
     if (val != null) {
-      const role = inferThresholdRoleForValue(val, cond.indicatorType, def.hlThresh);
+      const role = inferThresholdRoleForValue(val, cond.indicatorType, {});
       if (role != null) {
         const { targetValue: _t, ...rest } = cond;
         return migrateConditionPeriod({ ...rest, rightField: role, thresholdOverride: false });
       }
     }
     if (cond.rightField?.startsWith('K_')) {
-      const role = inferThresholdSymbolFromLegacyExact(cond.rightField, cond.indicatorType, def.hlThresh);
+      const role = inferThresholdSymbolFromLegacyExact(cond.rightField, cond.indicatorType, {});
       if (role != null) {
         const { targetValue: _t, ...rest } = cond;
         return migrateConditionPeriod({ ...rest, rightField: role, thresholdOverride: false });
@@ -61,8 +62,8 @@ function migrateConditionThreshold(
 
   let rightField = cond.rightField;
   if (rightField?.startsWith('K_')) {
-    rightField = inferThresholdSymbolFromLegacyExact(rightField, cond.indicatorType, def.hlThresh)
-      ?? inferThresholdSymbolFromLegacy(rightField, cond.indicatorType, def.hlThresh);
+    rightField = inferThresholdSymbolFromLegacyExact(rightField, cond.indicatorType, {})
+      ?? inferThresholdSymbolFromLegacy(rightField, cond.indicatorType, {});
   }
   if (!rightField || (!isThresholdSymbol(rightField) && !rightField.startsWith('K_'))) {
     const defaults = getDefaultConditionFields(cond.indicatorType, signalType, def);
@@ -139,47 +140,7 @@ export function migrateLogicRootForEditor(
 
 /** 저장·표시·평가 공통 — K_50 등을 HL_MID 로 접기 */
 export function normalizeConditionForPersistence(cond: ConditionDSL): ConditionDSL {
-  let next: ConditionDSL = {
-    ...cond,
-    indicatorType: cond.indicatorType?.toUpperCase?.() ?? cond.indicatorType,
-  };
-  const targetNum = coerceTargetValue(next.targetValue);
-
-  if (isThresholdOverridden(next)) {
-    if (targetNum != null) {
-      const role = inferThresholdRoleForValue(targetNum, next.indicatorType, {});
-      if (role != null) {
-        const { targetValue: _t, ...rest } = next;
-        next = { ...rest, rightField: role, thresholdOverride: false };
-      }
-    } else if (next.rightField?.startsWith('K_')) {
-      const role = inferThresholdSymbolFromLegacyExact(next.rightField, next.indicatorType, {});
-      if (role != null) {
-        const { targetValue: _t, ...rest } = next;
-        next = { ...rest, rightField: role, thresholdOverride: false };
-      }
-    }
-  }
-
-  if (!isThresholdOverridden(next)) {
-    if (next.rightField?.startsWith('K_')) {
-      next.rightField = inferThresholdSymbolFromLegacyExact(
-        next.rightField,
-        next.indicatorType,
-        {},
-      ) ?? defaultInheritedThresholdField(next.indicatorType);
-    }
-    if (!isThresholdSymbol(next.rightField)) {
-      const role = next.indicatorType === 'DISPARITY' || next.indicatorType === 'VOLUME_OSC'
-        || next.indicatorType === 'TRIX'
-        ? THRESHOLD_HL_MID : THRESHOLD_HL_OVER;
-      if (parseThresholdField(next.rightField) != null || !next.rightField) {
-        next.rightField = role;
-      }
-    }
-    const { targetValue: _t, ...rest } = next;
-    next = { ...rest, thresholdOverride: false };
-  }
+  let next = canonicalizeConditionThreshold(cond);
 
   if (!isValuePeriodOverridden(next)) {
     const prefix = VALUE_FIELD_PREFIX[next.indicatorType];
diff --git a/frontend/src/utils/strategyDescriptionNarrative.ts b/frontend/src/utils/strategyDescriptionNarrative.ts
index 1f83fd5..a3024bd 100644
--- a/frontend/src/utils/strategyDescriptionNarrative.ts
+++ b/frontend/src/utils/strategyDescriptionNarrative.ts
@@ -23,6 +23,7 @@ import {
   getCompositeFieldOpts,
   getCompositeLeftCandleType,
   getCompositeRightCandleType,
+  canonicalizeConditionThreshold,
   parseThresholdField,
 } from './conditionPeriods';
 import { formatStrategyCandleLabel } from './strategyStartNodes';
@@ -149,10 +150,11 @@ function describeConditionType(
 }
 
 function describeCondition(
-  cond: ReturnType<typeof normalizeCompositeCondition>,
+  raw: ReturnType<typeof normalizeCompositeCondition>,
   signalType: 'buy' | 'sell',
   def: DefType,
 ): string {
+  const cond = canonicalizeConditionThreshold(raw);
   const ind = cond.indicatorType;
   const ct = cond.conditionType;
 
diff --git a/frontend/src/utils/strategyEditorShared.tsx b/frontend/src/utils/strategyEditorShared.tsx
index 3e1b282..c713739 100644
--- a/frontend/src/utils/strategyEditorShared.tsx
+++ b/frontend/src/utils/strategyEditorShared.tsx
@@ -74,6 +74,7 @@ import {
 import ComboFieldSelect from '../components/strategyEditor/ComboFieldSelect';
 import {
   activateDirectThresholdInput,
+  canonicalizeConditionThreshold,
   getCompositeFieldOpts,
   getCompositePeriodPresetOptions,
   getConditionRightPeriod,
@@ -923,7 +924,7 @@ export function resolveFieldOptionValue(indicatorType: string, field?: string):
 export const nodeToText = (node: LogicNode, DEF: DefType = DEF_DEFAULTS): string => {
   if (!node) return '';
   if (node.type === 'CONDITION' && node.condition) {
-    const c = normalizeCompositeCondition(node.condition);
+    const c = canonicalizeConditionThreshold(normalizeCompositeCondition(node.condition));
     const indName = getStrategyIndicatorDisplayName(c.indicatorType);
     const opts = getFieldOpts(c.indicatorType, 'buy', DEF, c);
     const C = condLabel(c.conditionType);
@@ -1154,7 +1155,7 @@ export const CondEditor: React.FC<CondEditorProps> = ({
   const handleRight = (v: string) => {
     if (isThresholdSymbol(v)) {
       const { targetValue: _t, ...rest } = normalized;
-      onChange({ ...rest, rightField: v, thresholdOverride: false });
+      onChange(canonicalizeConditionThreshold({ ...rest, rightField: v, thresholdOverride: false }));
       return;
     }
     const thresholds: Record<string,number> = {
@@ -1176,7 +1177,7 @@ export const CondEditor: React.FC<CondEditorProps> = ({
     if (priorP != null && isPriceExtremeIndicator(normalized.indicatorType)) {
       upd = syncPriceExtremeSimpleFields({ ...upd, period: priorP });
     }
-    onChange(upd);
+    onChange(canonicalizeConditionThreshold(upd));
   };
 
   if (normalized.composite) {
@@ -1441,7 +1442,11 @@ export const CondEditor: React.FC<CondEditorProps> = ({
                 def,
               ));
             }}
-            onCustomNumberChange={v => onChange(setConditionThreshold(normalized, 'right', v, def, { directInput: true }))}
+            onCustomNumberChange={v => onChange(
+              canonicalizeConditionThreshold(
+                setConditionThreshold(normalized, 'right', v, def, { directInput: true }),
+              ),
+            )}
           />
         </div>
         {/* 조건 */}