diff --git a/frontend/src/components/financials/StockFinancialSearch.tsx b/frontend/src/components/financials/StockFinancialSearch.tsx
index b5f408a..2b739b8 100644
--- a/frontend/src/components/financials/StockFinancialSearch.tsx
+++ b/frontend/src/components/financials/StockFinancialSearch.tsx
@@ -7,6 +7,8 @@ import { QK } from '@/lib/queryKeys'
 
 interface Props {
   onSelect: (symbol: string, name: string) => void
+  /** 搜索资产类型, 逗号分隔 (默认 'stock')。如 'stock,index' */
+  assetTypes?: string
 }
 
 /**
@@ -14,7 +16,7 @@ interface Props {
  * 复用 instrumentSearch 后端(代码 / 名称模糊匹配),单选即跳转该股财务详情。
  * 模式对齐 Watchlist.StockSearchBox:useQuery + 外部点击关闭 + 键盘导航。
  */
-export function StockFinancialSearch({ onSelect }: Props) {
+export function StockFinancialSearch({ onSelect, assetTypes }: Props) {
   const [query, setQuery] = useState('')
   const [open, setOpen] = useState(false)
   const [activeIdx, setActiveIdx] = useState(-1)
@@ -22,8 +24,8 @@ export function StockFinancialSearch({ onSelect }: Props) {
   const inputRef = useRef<HTMLInputElement>(null)
 
   const search = useQuery({
-    queryKey: QK.instrumentSearch(query),
-    queryFn: () => api.instrumentSearch(query),
+    queryKey: QK.instrumentSearch(query, assetTypes ?? 'stock'),
+    queryFn: () => api.instrumentSearch(query, 20, assetTypes),
     enabled: query.trim().length > 0,
     staleTime: 30_000,
   })
@@ -116,6 +118,9 @@ export function StockFinancialSearch({ onSelect }: Props) {
                 >
                   <span className="font-mono shrink-0 text-xs w-[88px]">{r.symbol}</span>
                   <span className="truncate text-sm flex-1">{r.name}</span>
+                  {r.asset_type === 'index' && (
+                    <span className="shrink-0 px-1 py-0.5 rounded text-[10px] leading-none bg-sky-500/10 text-sky-400">指数</span>
+                  )}
                   {r.code && <span className="text-[10px] text-muted font-mono shrink-0">{r.code}</span>}
                 </button>
               ))
diff --git a/frontend/src/components/monitor/RuleEditor.tsx b/frontend/src/components/monitor/RuleEditor.tsx
index 045af41..90b3a85 100644
--- a/frontend/src/components/monitor/RuleEditor.tsx
+++ b/frontend/src/components/monitor/RuleEditor.tsx
@@ -82,8 +82,8 @@ export function RuleEditor({ rule, preset, simple, onClose, onSaved }: Props) {
   const [symbolQuery, setSymbolQuery] = useState('')
   const [strategyQuery, setStrategyQuery] = useState('')
   const [strategyCategory, setStrategyCategory] = useState<'all' | 'builtin' | 'custom' | 'ai'>('all')
-  // ETF 规则时标的搜索一并搜出 ETF。
-  const symbolAssetTypes = assetType === 'etf' ? 'stock,etf' : 'stock'
+  // 标的搜索资产类型: ETF 一并搜股票; 指数只搜指数; 否则只搜股票。
+  const symbolAssetTypes = assetType === 'etf' ? 'stock,etf' : assetType === 'index' ? 'index' : 'stock'
   const symbolSearch = useQuery({
     queryKey: QK.instrumentSearch(symbolQuery, symbolAssetTypes),
     queryFn: () => api.instrumentSearch(symbolQuery, 20, symbolAssetTypes),
@@ -158,6 +158,20 @@ export function RuleEditor({ rule, preset, simple, onClose, onSaved }: Props) {
     ...SIGNAL_OPTIONS.map(key => ({ key, label: cnSignal(key) })),
     ...(options.data?.builtin_signals ?? []).filter(option => MONITOR_INTRADAY_SIGNAL_OPTIONS.includes(option.key)),
   ]
+  // 指数: 隐藏涨跌停/连板类 (指数无这些列) 与分时信号 (无本地分钟K, 会静默不触发)
+  const INDEX_HIDDEN_SIGNALS = (key: string) =>
+    key.includes('limit') || MONITOR_INTRADAY_SIGNAL_OPTIONS.includes(key)
+  const pickerSignals = assetType === 'index'
+    ? monitorBuiltinSignals.filter(o => !INDEX_HIDDEN_SIGNALS(o.key))
+    : monitorBuiltinSignals
+  // 指数: 监控类型仅 signal/price (无涨跌停/策略/封单语义)
+  const visibleTypes = (options.data?.types ?? []).filter(
+    t => assetType !== 'index' || t.key === 'signal' || t.key === 'price',
+  )
+  // 指数: 作用范围仅 symbols (无全市场/板块语义)
+  const visibleScopes = (options.data?.scopes ?? []).filter(
+    s => assetType !== 'index' || s.key === 'symbols',
+  )
   const thresholdConds = draft.conditions.filter(c => c.op !== 'truth')
   const strategyPresets = strategies.data?.presets ?? []
   const selectedStrategy = strategyPresets.find(strategy => strategy.id === draft.strategy_id)
@@ -212,7 +226,7 @@ export function RuleEditor({ rule, preset, simple, onClose, onSaved }: Props) {
             signals={selectedSignals}
             onChange={onSignalPickerChange}
             kind="entry"
-            builtinSignals={monitorBuiltinSignals}
+            builtinSignals={pickerSignals}
             disabledSignals={intradaySupport?.available === false ? MONITOR_INTRADAY_SIGNAL_OPTIONS : []}
             disabledSignalHint={intradaySupport?.reason}
           />
@@ -287,26 +301,33 @@ export function RuleEditor({ rule, preset, simple, onClose, onSaved }: Props) {
         </button>
       </div>
 
-      {/* 资产类型: 股票 / ETF (个股极简模式不显示) */}
+      {/* 资产类型: 股票 / ETF / 指数 (个股极简模式不显示) */}
       {!simple && (
         <div className="space-y-1.5">
           <span className="text-[11px] text-muted">资产类型</span>
           <div className="inline-flex h-9 rounded-btn border border-border overflow-hidden">
-            {(['stock', 'etf'] as const).map(t => (
+            {(['stock', 'etf', 'index'] as const).map(t => (
               <button
                 key={t}
                 type="button"
                 aria-pressed={assetType === t}
                 onClick={() => {
                   if (assetType === t) return
-                  setDraft(d => ({ ...d, asset_type: t, strategy_id: null, symbols: [] }))
+                  setDraft(d => ({
+                    ...d,
+                    asset_type: t,
+                    strategy_id: null,
+                    symbols: [],
+                    type: t === 'index' && d.type !== 'signal' && d.type !== 'price' ? 'signal' : d.type,
+                    scope: t === 'index' ? 'symbols' : d.scope,
+                  }))
                   setStrategyQuery('')
                   setStrategyCategory('all')
                 }}
                 className={`h-full px-4 text-xs font-medium transition-colors cursor-pointer
                   ${assetType === t ? 'bg-accent/10 text-accent' : 'text-muted hover:text-foreground'}`}
               >
-                {t === 'stock' ? '股票' : 'ETF'}
+                {t === 'stock' ? '股票' : t === 'etf' ? 'ETF' : '指数'}
               </button>
             ))}
           </div>
@@ -317,7 +338,7 @@ export function RuleEditor({ rule, preset, simple, onClose, onSaved }: Props) {
       <div className="space-y-1.5">
         <span className="text-[11px] text-muted">监控类型</span>
         <div className="grid grid-cols-2 gap-1.5 sm:grid-cols-4">
-          {(options.data?.types ?? []).map(t => {
+          {visibleTypes.map(t => {
             const Icon = TYPE_ICONS[t.key as keyof typeof TYPE_ICONS] ?? Activity
             const active = draft.type === t.key
             return (
@@ -354,7 +375,7 @@ export function RuleEditor({ rule, preset, simple, onClose, onSaved }: Props) {
         <span className="text-[11px] text-muted">作用范围</span>
         <div className="flex items-center gap-2">
           <select value={draft.scope} onChange={e => setDraft(d => ({ ...d, scope: e.target.value as MonitorRule['scope'] }))} className="h-9 w-32 rounded-btn border border-border bg-base px-3 text-xs text-foreground">
-            {(options.data?.scopes ?? []).map(s => <option key={s.key} value={s.key} disabled={hasIntradaySignal && s.key !== 'symbols'}>{s.label}</option>)}
+            {visibleScopes.map(s => <option key={s.key} value={s.key} disabled={hasIntradaySignal && s.key !== 'symbols'}>{s.label}</option>)}
           </select>
           {draft.scope === 'symbols' && (
             <div className="flex-1 flex flex-wrap items-center gap-1.5">
@@ -417,7 +438,7 @@ export function RuleEditor({ rule, preset, simple, onClose, onSaved }: Props) {
                 signals={selectedSignals}
                 onChange={onSignalPickerChange}
                 kind="entry"
-                builtinSignals={monitorBuiltinSignals}
+                builtinSignals={pickerSignals}
                 disabledSignals={intradaySupport?.available === false ? MONITOR_INTRADAY_SIGNAL_OPTIONS : []}
                 disabledSignalHint={intradaySupport?.reason}
               />
diff --git a/frontend/src/pages/Monitor.tsx b/frontend/src/pages/Monitor.tsx
index 952f7fe..3ddfaad 100644
--- a/frontend/src/pages/Monitor.tsx
+++ b/frontend/src/pages/Monitor.tsx
@@ -662,6 +662,9 @@ function RulesList({ rulesQuery, onEdit }: {
                   <span className={cn('shrink-0 rounded px-1.5 py-0.5 text-[9px] font-semibold', SOURCE_BADGE_STYLE[r.type] ?? 'bg-elevated text-muted')}>
                     {TYPE_LABEL[r.type]}
                   </span>
+                  {r.asset_type === 'index' && (
+                    <span className="shrink-0 rounded px-1.5 py-0.5 text-[9px] font-semibold bg-sky-500/10 text-sky-400">指数</span>
+                  )}
                   {/* 个股类型: 直接显示可点击的代码+名称; 其他类型显示规则名 */}
                   {r.scope === 'symbols' && r.symbols.length > 0 ? (
                     <button
diff --git a/frontend/src/pages/StockAnalysis.tsx b/frontend/src/pages/StockAnalysis.tsx
index 36eb7f3..c596214 100644
--- a/frontend/src/pages/StockAnalysis.tsx
+++ b/frontend/src/pages/StockAnalysis.tsx
@@ -93,7 +93,7 @@ export function StockAnalysis() {
         {/* 搜索栏 */}
         <div className="flex items-center gap-3">
           <div className="w-72">
-            <StockFinancialSearch onSelect={onSelect} />
+            <StockFinancialSearch onSelect={onSelect} assetTypes="stock,index" />
           </div>
           {symbol && (
             <>
diff --git a/frontend/src/pages/Watchlist.tsx b/frontend/src/pages/Watchlist.tsx
index 4ac763f..08dcaca 100644
--- a/frontend/src/pages/Watchlist.tsx
+++ b/frontend/src/pages/Watchlist.tsx
@@ -219,8 +219,8 @@ function StockSearchBox({
   const [activeIdx, setActiveIdx] = useState(-1)
 
   const search = useQuery({
-    queryKey: QK.instrumentSearch(query, 'stock,etf'),
-    queryFn: () => api.instrumentSearch(query, 20, 'stock,etf'),
+    queryKey: QK.instrumentSearch(query, 'stock,etf,index'),
+    queryFn: () => api.instrumentSearch(query, 20, 'stock,etf,index'),
     enabled: query.trim().length > 0,
     staleTime: 30_000,
   })
@@ -304,6 +304,9 @@ function StockSearchBox({
                     {r.asset_type === 'etf' && (
                       <span className="shrink-0 px-1 py-0.5 rounded text-[10px] leading-none bg-accent/10 text-accent">ETF</span>
                     )}
+                    {r.asset_type === 'index' && (
+                      <span className="shrink-0 px-1 py-0.5 rounded text-[10px] leading-none bg-sky-500/10 text-sky-400">指数</span>
+                    )}
                   </button>
                   <button
                     type="button"
@@ -671,6 +674,13 @@ export function Watchlist() {
   const symbols = enriched.data?.rows?.map((r: any) => r.symbol) ?? []
   const symbolsKey = symbols.join(',')
 
+  // 指数无本地分钟K数据, 分时批量请求剔除指数 symbol (省请求, 避免逐只 404)
+  const minuteSymbols = useMemo(
+    () => symbols.filter((s: string) => (enriched.data?.rows ?? []).find((r: any) => r.symbol === s)?.asset_type !== 'index'),
+    [symbols, enriched.data],
+  )
+  const minuteSymbolsKey = minuteSymbols.join(',')
+
   // 实时行情状态 (提前到此处: 分时轮询判断需要 realtimeRunning)
   const quoteStatus = useQuoteStatus()
   const realtimeRunning = quoteStatus.data?.running ?? false
@@ -692,9 +702,9 @@ export function Watchlist() {
   const intradayRefreshEnabled = prefsData?.minute_intraday_refresh ?? false
   const intradayRefreshInterval = prefsData?.minute_intraday_refresh_interval ?? 6
   const minuteBatch = useQuery({
-    queryKey: QK.minuteBatch(symbolsKey),
-    queryFn: () => api.klineMinuteBatch(symbols),
-    enabled: intradayVisible && symbols.length > 0,
+    queryKey: QK.minuteBatch(minuteSymbolsKey),
+    queryFn: () => api.klineMinuteBatch(minuteSymbols),
+    enabled: intradayVisible && minuteSymbols.length > 0,
     staleTime: 10_000,
     refetchInterval: (intradayRefreshEnabled && realtimeRunning) ? intradayRefreshInterval * 1000 : false,
   })
@@ -846,6 +856,8 @@ export function Watchlist() {
     let result = rows
     if (boardFilter.size > 0 && boardFilter.size < BOARDS.length) {
       result = result.filter(r => {
+        // 非股票 (指数/ETF) 无板块语义, 不受板块筛选影响 (顺带修复 ETF 行被误过滤)
+        if (r.asset_type && r.asset_type !== 'stock') return true
         const board = getBoardType(r.symbol)
         return board != null && boardFilter.has(board)
       })
@@ -1333,6 +1345,18 @@ export function Watchlist() {
                 }
                 // 分时列
                 if (key === 'intraday') {
+                  // 指数无本地分钟K数据, 分时列降级为占位符
+                  if (r.asset_type === 'index') {
+                    const iw = intradayChartVisible ? intradayResolved.width : 40
+                    const ih = intradayChartVisible ? intradayResolved.height : 40
+                    return (
+                      <td className="pl-3 pr-2 py-1.5 border-l border-border/30" style={{ width: iw + 4, minWidth: iw + 4, maxWidth: iw + 4, height: ih }}>
+                        <div className="flex items-center justify-center">
+                          <span className="text-[10px] text-muted">—</span>
+                        </div>
+                      </td>
+                    )
+                  }
                   const rows: MinuteKlineRow[] = minuteData[r.symbol] ?? []
                   // 眼睛关闭(收起)时用小尺寸 (和日k收起态一致 40x40); 开启时用配置值
                   const iw = intradayChartVisible ? intradayResolved.width : 40