diff --git a/frontend/src/App.css b/frontend/src/App.css
index e6fe0bf..10b64ed 100644
--- a/frontend/src/App.css
+++ b/frontend/src/App.css
@@ -966,6 +966,47 @@ html.theme-blue {
 .tv-time-display  { font-size: 12px; color: var(--text2); padding: 0 8px; white-space: nowrap; }
 .tv-right-toggles { margin-left: 4px; }
 
+/* 하단 바 — 지표 탭 빠른 적용 (전체 탭 제외) */
+.tv-ind-tab-quick {
+  display: flex;
+  align-items: center;
+  gap: 3px;
+  flex-shrink: 0;
+  margin-left: 6px;
+  padding-left: 8px;
+  border-left: 1px solid var(--border);
+  max-width: min(42vw, 420px);
+  overflow-x: auto;
+  scrollbar-width: thin;
+}
+.tv-ind-tab-quick-btn {
+  display: inline-flex;
+  align-items: center;
+  gap: 4px;
+  height: 22px;
+  padding: 0 7px;
+  background: var(--bg3);
+  color: var(--text2);
+  border: 1px solid var(--border);
+  border-radius: 4px;
+  cursor: pointer;
+  font-size: 11px;
+  font-weight: 600;
+  white-space: nowrap;
+  flex-shrink: 0;
+  transition: background 0.1s, color 0.1s, border-color 0.1s;
+}
+.tv-ind-tab-quick-btn:hover {
+  background: color-mix(in srgb, var(--accent) 12%, var(--bg3));
+  color: var(--accent);
+  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
+}
+.tv-ind-tab-quick-label {
+  max-width: 72px;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
 /* 시간대 선택 (하단 바) */
 .tz-picker { position: relative; flex-shrink: 0; }
 .tz-picker-trigger {
diff --git a/frontend/src/App.tsx b/frontend/src/App.tsx
index 4b20056..4eb7906 100644
--- a/frontend/src/App.tsx
+++ b/frontend/src/App.tsx
@@ -2510,6 +2510,8 @@ function App() {
         onAutoScale={() => managerRef.current?.autoScale()}
         onFitContent={() => managerRef.current?.fitContent()}
         onToggleGrid={() => setShowGrid(v => !v)}
+        onAddIndicators={handleAddIndicators}
+        onAddIndicator={handleAddIndicator}
       />
 
       </div>{/* chart-screen */}
diff --git a/frontend/src/components/BottomBar.tsx b/frontend/src/components/BottomBar.tsx
index 7eda005..5e3ae6a 100644
--- a/frontend/src/components/BottomBar.tsx
+++ b/frontend/src/components/BottomBar.tsx
@@ -1,6 +1,7 @@
 import React from 'react';
 import type { Timeframe } from '../types';
 import TimezonePicker from './TimezonePicker';
+import IndicatorTabQuickButtons from './IndicatorTabQuickButtons';
 
 interface BottomBarProps {
   timeframe:      Timeframe;
@@ -16,6 +17,8 @@ interface BottomBarProps {
   onAutoScale:    () => void;
   onFitContent:   () => void;
   onToggleGrid:   () => void;
+  onAddIndicators?: (types: string[]) => void;
+  onAddIndicator?: (type: string) => void;
 }
 
 const PERIODS: { label: string; tf: Timeframe }[] = [
@@ -55,6 +58,7 @@ const BottomBar: React.FC<BottomBarProps> = ({
   timeframe, logScale, percentScale, showGrid, lastTime,
   displayTimezone, onTimezoneChange,
   onTimeframe, onLogScale, onPercentScale, onAutoScale, onFitContent, onToggleGrid,
+  onAddIndicators, onAddIndicator,
 }) => {
   return (
     <div className="tv-bottom-bar">
@@ -72,6 +76,8 @@ const BottomBar: React.FC<BottomBarProps> = ({
         <IcCalendar />
       </button>
 
+      <IndicatorTabQuickButtons onAddMany={onAddIndicators} onAdd={onAddIndicator} />
+
       <div className="tv-bottom-spacer" />
 
       <TimezonePicker
diff --git a/frontend/src/components/IndicatorTabQuickButtons.tsx b/frontend/src/components/IndicatorTabQuickButtons.tsx
new file mode 100644
index 0000000..21e0969
--- /dev/null
+++ b/frontend/src/components/IndicatorTabQuickButtons.tsx
@@ -0,0 +1,69 @@
+import React, { useCallback, useEffect, useState } from 'react';
+import { loadCustomTabs, type IndicatorCustomTab } from '../utils/indicatorCustomTabsStorage';
+import { applyIndicatorTab } from '../utils/indicatorTabApply';
+
+const IcApplyTab = () => (
+  <svg width="12" height="12" viewBox="0 0 14 14" fill="none" stroke="currentColor" strokeWidth="1.8">
+    <line x1="7" y1="2" x2="7" y2="12" />
+    <line x1="2" y1="7" x2="12" y2="7" />
+  </svg>
+);
+
+interface Props {
+  onAddMany?: (types: string[]) => void;
+  onAdd?: (type: string) => void;
+}
+
+const IndicatorTabQuickButtons: React.FC<Props> = ({ onAddMany, onAdd }) => {
+  const [customTabs, setCustomTabs] = useState<IndicatorCustomTab[]>(() => loadCustomTabs());
+
+  const refreshTabs = useCallback(() => {
+    setCustomTabs(loadCustomTabs());
+  }, []);
+
+  useEffect(() => {
+    refreshTabs();
+    window.addEventListener('gc-indicator-custom-tabs-changed', refreshTabs);
+    return () => window.removeEventListener('gc-indicator-custom-tabs-changed', refreshTabs);
+  }, [refreshTabs]);
+
+  if (!onAddMany && !onAdd) return null;
+
+  const applyMain = () => {
+    applyIndicatorTab({ kind: 'main' }, onAddMany, onAdd);
+  };
+
+  const applyCustom = (tab: IndicatorCustomTab) => {
+    applyIndicatorTab({ kind: 'custom', tab }, onAddMany, onAdd);
+  };
+
+  return (
+    <div className="tv-ind-tab-quick" role="group" aria-label="지표 탭 빠른 적용">
+      <button
+        type="button"
+        className="tv-ind-tab-quick-btn"
+        title="주요지표 탭 — 차트 보조지표 일괄 교체"
+        aria-label="주요지표 탭 일괄 적용"
+        onClick={applyMain}
+      >
+        <IcApplyTab />
+        <span className="tv-ind-tab-quick-label">주요</span>
+      </button>
+      {customTabs.map(tab => (
+        <button
+          key={tab.id}
+          type="button"
+          className="tv-ind-tab-quick-btn"
+          title={`${tab.name} 탭 — 차트 보조지표 일괄 교체`}
+          aria-label={`${tab.name} 탭 일괄 적용`}
+          onClick={() => applyCustom(tab)}
+        >
+          <IcApplyTab />
+          <span className="tv-ind-tab-quick-label">{tab.name}</span>
+        </button>
+      ))}
+    </div>
+  );
+};
+
+export default IndicatorTabQuickButtons;
diff --git a/frontend/src/components/Toolbar.tsx b/frontend/src/components/Toolbar.tsx
index 0a8fdb1..abf66ac 100644
--- a/frontend/src/components/Toolbar.tsx
+++ b/frontend/src/components/Toolbar.tsx
@@ -10,6 +10,9 @@ import {
   parseCustomTabKey,
   type IndicatorTabKey,
 } from '../utils/indicatorMainTab';
+import {
+  confirmAndApplyIndicatorTab,
+} from '../utils/indicatorTabApply';
 import {
   loadCustomTabs,
   createCustomTab,
@@ -379,19 +382,12 @@ const IndDropdown: React.FC<IndDropdownProps> = ({
 
   const handleAddAllInTab = () => {
     if (!addAllContext || addAllContext.types.length === 0) return;
-    const validTypes = addAllContext.types.filter(
-      type => INDICATOR_REGISTRY.some(d => d.type === type),
-    );
-    if (validTypes.length === 0) {
-      window.alert('추가할 지표가 없습니다.');
+    if (category === 'Main') {
+      confirmAndApplyIndicatorTab({ kind: 'main' }, onAddMany, onAdd);
       return;
     }
-    const msg = `기존 보조지표를 모두 제거하고 ${addAllContext.label} 탭의 지표 ${validTypes.length}개로 교체하시겠습니까?`;
-    if (!window.confirm(msg)) return;
-    if (onAddMany) {
-      onAddMany(validTypes);
-    } else {
-      validTypes.forEach(type => onAdd(type));
+    if (isCustomTabKey(category) && selectedCustomTab) {
+      confirmAndApplyIndicatorTab({ kind: 'custom', tab: selectedCustomTab }, onAddMany, onAdd);
     }
   };
 
diff --git a/frontend/src/utils/indicatorCustomTabsStorage.ts b/frontend/src/utils/indicatorCustomTabsStorage.ts
index d74b1dd..3edad03 100644
--- a/frontend/src/utils/indicatorCustomTabsStorage.ts
+++ b/frontend/src/utils/indicatorCustomTabsStorage.ts
@@ -34,6 +34,7 @@ export function loadCustomTabs(): IndicatorCustomTab[] {
 
 export function saveCustomTabs(tabs: IndicatorCustomTab[]): void {
   localStorage.setItem(STORAGE_KEY, JSON.stringify(tabs));
+  window.dispatchEvent(new CustomEvent('gc-indicator-custom-tabs-changed'));
 }
 
 export function createCustomTab(name: string, indicatorTypes: string[]): IndicatorCustomTab {
diff --git a/frontend/src/utils/indicatorTabApply.ts b/frontend/src/utils/indicatorTabApply.ts
new file mode 100644
index 0000000..f549e6f
--- /dev/null
+++ b/frontend/src/utils/indicatorTabApply.ts
@@ -0,0 +1,56 @@
+import { INDICATOR_REGISTRY } from './indicatorRegistry';
+import { MAIN_INDICATOR_TYPES } from './indicatorMainTab';
+import type { IndicatorCustomTab } from './indicatorCustomTabsStorage';
+
+export type IndicatorTabApplySource =
+  | { kind: 'main' }
+  | { kind: 'custom'; tab: IndicatorCustomTab };
+
+export function resolveIndicatorTabApplyTypes(source: IndicatorTabApplySource): string[] {
+  if (source.kind === 'main') {
+    return [...MAIN_INDICATOR_TYPES].filter(
+      type => INDICATOR_REGISTRY.some(d => d.type === type),
+    );
+  }
+  return source.tab.indicatorTypes.filter(
+    type => INDICATOR_REGISTRY.some(d => d.type === type),
+  );
+}
+
+export function resolveIndicatorTabApplyLabel(source: IndicatorTabApplySource): string {
+  if (source.kind === 'main') return '주요지표';
+  return source.tab.name;
+}
+
+/** 지표 탭 전체 적용 — 기존 보조지표 제거 후 탭 지표만 추가 (확인 없음) */
+export function applyIndicatorTab(
+  source: IndicatorTabApplySource,
+  onAddMany: ((types: string[]) => void) | undefined,
+  onAdd?: (type: string) => void,
+): boolean {
+  const validTypes = resolveIndicatorTabApplyTypes(source);
+  if (validTypes.length === 0) return false;
+  if (onAddMany) {
+    onAddMany(validTypes);
+  } else {
+    validTypes.forEach(type => onAdd?.(type));
+  }
+  return true;
+}
+
+/** 지표 탭 전체 적용 — 확인 후 적용 (지표 추가 팝업용) */
+export function confirmAndApplyIndicatorTab(
+  source: IndicatorTabApplySource,
+  onAddMany: ((types: string[]) => void) | undefined,
+  onAdd?: (type: string) => void,
+): void {
+  const validTypes = resolveIndicatorTabApplyTypes(source);
+  if (validTypes.length === 0) {
+    window.alert('추가할 지표가 없습니다.');
+    return;
+  }
+  const label = resolveIndicatorTabApplyLabel(source);
+  const msg = `기존 보조지표를 모두 제거하고 ${label} 탭의 지표 ${validTypes.length}개로 교체하시겠습니까?`;
+  if (!window.confirm(msg)) return;
+  applyIndicatorTab(source, onAddMany, onAdd);
+}