diff --git a/src/store/index.js b/src/store/index.js
index 4d2ae544..d983721f 100644
--- a/src/store/index.js
+++ b/src/store/index.js
@@ -3,6 +3,7 @@ import { configureStore } from '@reduxjs/toolkit';
 import communityDataReducer from './slices/communityDataSlice';
 import posthogReducer from './slices/posthogSlice';
 import industryReducer from './slices/industrySlice';
+import stockReducer from './slices/stockSlice';
 import posthogMiddleware from './middleware/posthogMiddleware';
 
 export const store = configureStore({
@@ -10,6 +11,7 @@ export const store = configureStore({
     communityData: communityDataReducer,
     posthog: posthogReducer, // ✅ PostHog Redux 状态管理
     industry: industryReducer, // ✅ 行业分类数据管理
+    stock: stockReducer, // ✅ 股票和事件数据管理
   },
   middleware: (getDefaultMiddleware) =>
     getDefaultMiddleware({
@@ -19,6 +21,8 @@ export const store = configureStore({
           'communityData/fetchPopularKeywords/fulfilled',
           'communityData/fetchHotEvents/fulfilled',
           'posthog/trackEvent/fulfilled', // ✅ PostHog 事件追踪
+          'stock/fetchEventStocks/fulfilled',
+          'stock/fetchStockQuotes/fulfilled',
         ],
       },
     }).concat(posthogMiddleware), // ✅ PostHog 自动追踪中间件
diff --git a/src/store/slices/stockSlice.js b/src/store/slices/stockSlice.js
new file mode 100644
index 00000000..a33185ba
--- /dev/null
+++ b/src/store/slices/stockSlice.js
@@ -0,0 +1,479 @@
+// src/store/slices/stockSlice.js
+import { createSlice, createAsyncThunk } from '@reduxjs/toolkit';
+import { eventService, stockService } from '../../services/eventService';
+import { logger } from '../../utils/logger';
+import { localCacheManager, CACHE_EXPIRY_STRATEGY } from '../../utils/CacheManager';
+import { getApiBase } from '../../utils/apiConfig';
+
+// ==================== 常量定义 ====================
+
+// 缓存键名
+const CACHE_KEYS = {
+  EVENT_STOCKS: 'event_stocks_',
+  EVENT_DETAIL: 'event_detail_',
+  HISTORICAL_EVENTS: 'historical_events_',
+  CHAIN_ANALYSIS: 'chain_analysis_',
+  EXPECTATION_SCORE: 'expectation_score_',
+  WATCHLIST: 'user_watchlist'
+};
+
+// 请求去重：缓存正在进行的请求
+const pendingRequests = new Map();
+
+// ==================== Async Thunks ====================
+
+/**
+ * 获取事件相关股票（三级缓存）
+ */
+export const fetchEventStocks = createAsyncThunk(
+  'stock/fetchEventStocks',
+  async ({ eventId, forceRefresh = false }, { getState }) => {
+    logger.debug('stockSlice', 'fetchEventStocks', { eventId, forceRefresh });
+
+    // 1. Redux 状态缓存
+    if (!forceRefresh) {
+      const cached = getState().stock.eventStocksCache[eventId];
+      if (cached && cached.length > 0) {
+        logger.debug('stockSlice', 'Redux 缓存命中', { eventId });
+        return { eventId, stocks: cached };
+      }
+    }
+
+    // 2. LocalStorage 缓存
+    if (!forceRefresh) {
+      const localCached = localCacheManager.get(CACHE_KEYS.EVENT_STOCKS + eventId);
+      if (localCached) {
+        logger.debug('stockSlice', 'LocalStorage 缓存命中', { eventId });
+        return { eventId, stocks: localCached };
+      }
+    }
+
+    // 3. API 请求
+    const res = await eventService.getRelatedStocks(eventId);
+    if (res.success && res.data) {
+      logger.debug('stockSlice', 'API 请求成功', {
+        eventId,
+        stockCount: res.data.length
+      });
+      localCacheManager.set(
+        CACHE_KEYS.EVENT_STOCKS + eventId,
+        res.data,
+        CACHE_EXPIRY_STRATEGY.LONG // 1小时
+      );
+      return { eventId, stocks: res.data };
+    }
+
+    throw new Error(res.error || '获取股票数据失败');
+  }
+);
+
+/**
+ * 获取股票行情
+ */
+export const fetchStockQuotes = createAsyncThunk(
+  'stock/fetchStockQuotes',
+  async ({ codes, eventTime }) => {
+    logger.debug('stockSlice', 'fetchStockQuotes', {
+      codeCount: codes.length,
+      eventTime
+    });
+
+    const quotes = await stockService.getQuotes(codes, eventTime);
+    return quotes;
+  }
+);
+
+/**
+ * 获取事件详情
+ */
+export const fetchEventDetail = createAsyncThunk(
+  'stock/fetchEventDetail',
+  async ({ eventId, forceRefresh = false }, { getState }) => {
+    logger.debug('stockSlice', 'fetchEventDetail', { eventId });
+
+    // Redux 缓存
+    if (!forceRefresh) {
+      const cached = getState().stock.eventDetailsCache[eventId];
+      if (cached) {
+        logger.debug('stockSlice', 'Redux 缓存命中 - eventDetail', { eventId });
+        return { eventId, detail: cached };
+      }
+    }
+
+    // LocalStorage 缓存
+    if (!forceRefresh) {
+      const localCached = localCacheManager.get(CACHE_KEYS.EVENT_DETAIL + eventId);
+      if (localCached) {
+        logger.debug('stockSlice', 'LocalStorage 缓存命中 - eventDetail', { eventId });
+        return { eventId, detail: localCached };
+      }
+    }
+
+    // API 请求
+    const res = await eventService.getEventDetail(eventId);
+    if (res.success && res.data) {
+      localCacheManager.set(
+        CACHE_KEYS.EVENT_DETAIL + eventId,
+        res.data,
+        CACHE_EXPIRY_STRATEGY.LONG
+      );
+      return { eventId, detail: res.data };
+    }
+
+    throw new Error(res.error || '获取事件详情失败');
+  }
+);
+
+/**
+ * 获取历史事件对比
+ */
+export const fetchHistoricalEvents = createAsyncThunk(
+  'stock/fetchHistoricalEvents',
+  async ({ eventId, forceRefresh = false }, { getState }) => {
+    logger.debug('stockSlice', 'fetchHistoricalEvents', { eventId });
+
+    // Redux 缓存
+    if (!forceRefresh) {
+      const cached = getState().stock.historicalEventsCache[eventId];
+      if (cached) {
+        return { eventId, events: cached };
+      }
+    }
+
+    // LocalStorage 缓存
+    if (!forceRefresh) {
+      const localCached = localCacheManager.get(CACHE_KEYS.HISTORICAL_EVENTS + eventId);
+      if (localCached) {
+        return { eventId, events: localCached };
+      }
+    }
+
+    // API 请求
+    const res = await eventService.getHistoricalEvents(eventId);
+    if (res.success && res.data) {
+      localCacheManager.set(
+        CACHE_KEYS.HISTORICAL_EVENTS + eventId,
+        res.data,
+        CACHE_EXPIRY_STRATEGY.LONG
+      );
+      return { eventId, events: res.data };
+    }
+
+    return { eventId, events: [] };
+  }
+);
+
+/**
+ * 获取传导链分析
+ */
+export const fetchChainAnalysis = createAsyncThunk(
+  'stock/fetchChainAnalysis',
+  async ({ eventId, forceRefresh = false }, { getState }) => {
+    logger.debug('stockSlice', 'fetchChainAnalysis', { eventId });
+
+    // Redux 缓存
+    if (!forceRefresh) {
+      const cached = getState().stock.chainAnalysisCache[eventId];
+      if (cached) {
+        return { eventId, analysis: cached };
+      }
+    }
+
+    // LocalStorage 缓存
+    if (!forceRefresh) {
+      const localCached = localCacheManager.get(CACHE_KEYS.CHAIN_ANALYSIS + eventId);
+      if (localCached) {
+        return { eventId, analysis: localCached };
+      }
+    }
+
+    // API 请求
+    const res = await eventService.getTransmissionChainAnalysis(eventId);
+    if (res.success && res.data) {
+      localCacheManager.set(
+        CACHE_KEYS.CHAIN_ANALYSIS + eventId,
+        res.data,
+        CACHE_EXPIRY_STRATEGY.LONG
+      );
+      return { eventId, analysis: res.data };
+    }
+
+    return { eventId, analysis: null };
+  }
+);
+
+/**
+ * 获取超预期得分
+ */
+export const fetchExpectationScore = createAsyncThunk(
+  'stock/fetchExpectationScore',
+  async ({ eventId }) => {
+    logger.debug('stockSlice', 'fetchExpectationScore', { eventId });
+
+    if (eventService.getExpectationScore) {
+      const res = await eventService.getExpectationScore(eventId);
+      if (res.success && res.data) {
+        return { eventId, score: res.data.score };
+      }
+    }
+
+    return { eventId, score: null };
+  }
+);
+
+/**
+ * 加载用户自选股列表
+ */
+export const loadWatchlist = createAsyncThunk(
+  'stock/loadWatchlist',
+  async (_, { getState }) => {
+    logger.debug('stockSlice', 'loadWatchlist');
+
+    try {
+      const apiBase = getApiBase();
+      const response = await fetch(`${apiBase}/api/account/watchlist`, {
+        credentials: 'include'
+      });
+      const data = await response.json();
+
+      if (data.success && data.data) {
+        const stockCodes = data.data.map(item => item.stock_code);
+        logger.debug('stockSlice', '自选股列表加载成功', {
+          count: stockCodes.length
+        });
+        return stockCodes;
+      }
+
+      return [];
+    } catch (error) {
+      logger.error('stockSlice', 'loadWatchlist', error);
+      return [];
+    }
+  }
+);
+
+/**
+ * 切换自选股状态
+ */
+export const toggleWatchlist = createAsyncThunk(
+  'stock/toggleWatchlist',
+  async ({ stockCode, stockName, isInWatchlist }) => {
+    logger.debug('stockSlice', 'toggleWatchlist', {
+      stockCode,
+      stockName,
+      isInWatchlist
+    });
+
+    const apiBase = getApiBase();
+    let response;
+
+    if (isInWatchlist) {
+      // 移除自选股
+      response = await fetch(`${apiBase}/api/account/watchlist/${stockCode}`, {
+        method: 'DELETE',
+        headers: { 'Content-Type': 'application/json' },
+        credentials: 'include'
+      });
+    } else {
+      // 添加自选股
+      response = await fetch(`${apiBase}/api/account/watchlist`, {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        credentials: 'include',
+        body: JSON.stringify({ stock_code: stockCode, stock_name: stockName })
+      });
+    }
+
+    const data = await response.json();
+    if (!data.success) {
+      throw new Error(data.error || '操作失败');
+    }
+
+    return { stockCode, isInWatchlist };
+  }
+);
+
+// ==================== Slice ====================
+
+const stockSlice = createSlice({
+  name: 'stock',
+  initialState: {
+    // 事件相关股票缓存 { [eventId]: stocks[] }
+    eventStocksCache: {},
+
+    // 股票行情 { [stockCode]: quote }
+    quotes: {},
+
+    // 事件详情缓存 { [eventId]: detail }
+    eventDetailsCache: {},
+
+    // 历史事件缓存 { [eventId]: events[] }
+    historicalEventsCache: {},
+
+    // 传导链分析缓存 { [eventId]: analysis }
+    chainAnalysisCache: {},
+
+    // 超预期得分缓存 { [eventId]: score }
+    expectationScores: {},
+
+    // 自选股列表 Set<stockCode>
+    watchlist: [],
+
+    // 加载状态
+    loading: {
+      stocks: false,
+      quotes: false,
+      eventDetail: false,
+      historicalEvents: false,
+      chainAnalysis: false,
+      watchlist: false
+    },
+
+    // 错误信息
+    error: null
+  },
+  reducers: {
+    /**
+     * 更新单个股票行情
+     */
+    updateQuote: (state, action) => {
+      const { stockCode, quote } = action.payload;
+      state.quotes[stockCode] = quote;
+    },
+
+    /**
+     * 批量更新股票行情
+     */
+    updateQuotes: (state, action) => {
+      state.quotes = { ...state.quotes, ...action.payload };
+    },
+
+    /**
+     * 清空行情数据
+     */
+    clearQuotes: (state) => {
+      state.quotes = {};
+    },
+
+    /**
+     * 清空指定事件的缓存
+     */
+    clearEventCache: (state, action) => {
+      const { eventId } = action.payload;
+      delete state.eventStocksCache[eventId];
+      delete state.eventDetailsCache[eventId];
+      delete state.historicalEventsCache[eventId];
+      delete state.chainAnalysisCache[eventId];
+      delete state.expectationScores[eventId];
+    }
+  },
+  extraReducers: (builder) => {
+    builder
+      // ===== fetchEventStocks =====
+      .addCase(fetchEventStocks.pending, (state) => {
+        state.loading.stocks = true;
+        state.error = null;
+      })
+      .addCase(fetchEventStocks.fulfilled, (state, action) => {
+        const { eventId, stocks } = action.payload;
+        state.eventStocksCache[eventId] = stocks;
+        state.loading.stocks = false;
+      })
+      .addCase(fetchEventStocks.rejected, (state, action) => {
+        state.loading.stocks = false;
+        state.error = action.error.message;
+      })
+
+      // ===== fetchStockQuotes =====
+      .addCase(fetchStockQuotes.pending, (state) => {
+        state.loading.quotes = true;
+      })
+      .addCase(fetchStockQuotes.fulfilled, (state, action) => {
+        state.quotes = { ...state.quotes, ...action.payload };
+        state.loading.quotes = false;
+      })
+      .addCase(fetchStockQuotes.rejected, (state) => {
+        state.loading.quotes = false;
+      })
+
+      // ===== fetchEventDetail =====
+      .addCase(fetchEventDetail.pending, (state) => {
+        state.loading.eventDetail = true;
+      })
+      .addCase(fetchEventDetail.fulfilled, (state, action) => {
+        const { eventId, detail } = action.payload;
+        state.eventDetailsCache[eventId] = detail;
+        state.loading.eventDetail = false;
+      })
+      .addCase(fetchEventDetail.rejected, (state) => {
+        state.loading.eventDetail = false;
+      })
+
+      // ===== fetchHistoricalEvents =====
+      .addCase(fetchHistoricalEvents.pending, (state) => {
+        state.loading.historicalEvents = true;
+      })
+      .addCase(fetchHistoricalEvents.fulfilled, (state, action) => {
+        const { eventId, events } = action.payload;
+        state.historicalEventsCache[eventId] = events;
+        state.loading.historicalEvents = false;
+      })
+      .addCase(fetchHistoricalEvents.rejected, (state) => {
+        state.loading.historicalEvents = false;
+      })
+
+      // ===== fetchChainAnalysis =====
+      .addCase(fetchChainAnalysis.pending, (state) => {
+        state.loading.chainAnalysis = true;
+      })
+      .addCase(fetchChainAnalysis.fulfilled, (state, action) => {
+        const { eventId, analysis } = action.payload;
+        state.chainAnalysisCache[eventId] = analysis;
+        state.loading.chainAnalysis = false;
+      })
+      .addCase(fetchChainAnalysis.rejected, (state) => {
+        state.loading.chainAnalysis = false;
+      })
+
+      // ===== fetchExpectationScore =====
+      .addCase(fetchExpectationScore.fulfilled, (state, action) => {
+        const { eventId, score } = action.payload;
+        state.expectationScores[eventId] = score;
+      })
+
+      // ===== loadWatchlist =====
+      .addCase(loadWatchlist.pending, (state) => {
+        state.loading.watchlist = true;
+      })
+      .addCase(loadWatchlist.fulfilled, (state, action) => {
+        state.watchlist = action.payload;
+        state.loading.watchlist = false;
+      })
+      .addCase(loadWatchlist.rejected, (state) => {
+        state.loading.watchlist = false;
+      })
+
+      // ===== toggleWatchlist =====
+      .addCase(toggleWatchlist.fulfilled, (state, action) => {
+        const { stockCode, isInWatchlist } = action.payload;
+        if (isInWatchlist) {
+          // 移除
+          state.watchlist = state.watchlist.filter(code => code !== stockCode);
+        } else {
+          // 添加
+          if (!state.watchlist.includes(stockCode)) {
+            state.watchlist.push(stockCode);
+          }
+        }
+      });
+  }
+});
+
+export const {
+  updateQuote,
+  updateQuotes,
+  clearQuotes,
+  clearEventCache
+} = stockSlice.actions;
+
+export default stockSlice.reducer;