diff --git a/apps/stock/config/config/default.json b/apps/stock/config/config/default.json
index 255bbcc..dde869a 100644
--- a/apps/stock/config/config/default.json
+++ b/apps/stock/config/config/default.json
@@ -77,8 +77,8 @@
       "port": 6379,
       "db": 1
     },
-    "workers": 10,
-    "concurrency": 4,
+    "workers": 1,
+    "concurrency": 1,
     "enableScheduledJobs": true,
     "defaultJobOptions": {
       "attempts": 3,
diff --git a/apps/stock/data-ingestion/src/handlers/qm/actions/index.ts b/apps/stock/data-ingestion/src/handlers/qm/actions/index.ts
index ebae778..c9eedd1 100644
--- a/apps/stock/data-ingestion/src/handlers/qm/actions/index.ts
+++ b/apps/stock/data-ingestion/src/handlers/qm/actions/index.ts
@@ -10,4 +10,5 @@ export { schedulePriceUpdates, updatePrices } from './prices.action';
 export { checkSessions, createSession } from './session.action';
 export { scheduleSymbolInfoUpdates, updateSymbolInfo } from './symbol-info.action';
 export { searchSymbols, spiderSymbol } from './symbol.action';
+export { deduplicateSymbols, updateExchangeStats, updateExchangeStatsAndDeduplicate } from './symbol-dedup.action';
 
diff --git a/apps/stock/data-ingestion/src/handlers/qm/actions/symbol-dedup.action.ts b/apps/stock/data-ingestion/src/handlers/qm/actions/symbol-dedup.action.ts
new file mode 100644
index 0000000..b4cc6ac
--- /dev/null
+++ b/apps/stock/data-ingestion/src/handlers/qm/actions/symbol-dedup.action.ts
@@ -0,0 +1,269 @@
+/**
+ * QM Symbol Deduplication and Exchange Statistics
+ * - Updates exchange statistics (symbol count, market cap)
+ * - Assigns priority to exchanges
+ * - Marks active/inactive symbols to eliminate duplicates
+ */
+
+import type { ExecutionContext } from '@stock-bot/handlers';
+import type { QMHandler } from '../qm.handler';
+import type { ExchangeStats } from '../shared/types';
+
+/**
+ * Exchange priority mapping
+ */
+const EXCHANGE_PRIORITIES: Record<string, number> = {
+  // Major US exchanges
+  'NYSE': 10,
+  'NASDAQ': 10,
+  'NYSE American': 9,
+  
+  // Other US exchanges
+  'EDGX': 5,
+  'BZX': 5,
+  'ARCA': 5,
+  
+  // Canadian main exchanges
+  'TSX': 8,
+  'TSXV': 8,
+  'CSE': 7,
+  
+  // Canadian quote exchanges
+  'CCQ TSX': 3,
+  'CCQ TSXV': 3,
+  
+  // Default for others
+  'default': 1
+};
+
+/**
+ * Update exchange statistics
+ */
+export async function updateExchangeStats(
+  this: QMHandler,
+  _input: any,
+  _context: ExecutionContext
+): Promise<{ message: string; exchangesUpdated: number }> {
+  this.logger.info('Updating exchange statistics');
+
+  try {
+    // Get all exchanges
+    const exchanges = await this.mongodb.find('qmExchanges', {});
+    
+    if (!exchanges || exchanges.length === 0) {
+      return { message: 'No exchanges found', exchangesUpdated: 0 };
+    }
+
+    // Calculate stats for each exchange
+    const bulkOps = [];
+    
+    for (const exchange of exchanges) {
+      // Get symbol statistics for this exchange
+      const stats = await this.mongodb.aggregate('qmSymbols', [
+        { $match: { exchange: exchange.exchange } },
+        {
+          $group: {
+            _id: null,
+            symbolCount: { $sum: 1 },
+            totalMarketCap: { $sum: { $ifNull: ['$marketCap', 0] } },
+            avgMarketCap: { $avg: { $ifNull: ['$marketCap', 0] } }
+          }
+        }
+      ]);
+
+      const exchangeStats: ExchangeStats = stats[0] || {
+        symbolCount: 0,
+        totalMarketCap: 0,
+        avgMarketCap: 0
+      };
+
+      // Get priority for this exchange
+      const priority = EXCHANGE_PRIORITIES[exchange.exchange] || EXCHANGE_PRIORITIES.default;
+
+      // Prepare update
+      bulkOps.push({
+        updateOne: {
+          filter: { exchange: exchange.exchange },
+          update: {
+            $set: {
+              'stats.symbolCount': exchangeStats.symbolCount,
+              'stats.totalMarketCap': exchangeStats.totalMarketCap,
+              'stats.avgMarketCap': Math.round(exchangeStats.avgMarketCap),
+              priority,
+              updated_at: new Date()
+            }
+          }
+        }
+      });
+    }
+
+    // Execute bulk update
+    if (bulkOps.length > 0) {
+      const collection = this.mongodb.collection('qmExchanges');
+      await collection.bulkWrite(bulkOps);
+    }
+
+
+    this.logger.info(`Updated statistics for ${exchanges.length} exchanges`);
+    return { 
+      message: `Updated statistics for ${exchanges.length} exchanges`, 
+      exchangesUpdated: exchanges.length 
+    };
+
+  } catch (error) {
+    this.logger.error('Failed to update exchange statistics', { error });
+    throw error;
+  }
+}
+
+/**
+ * Deduplicate symbols based on country and exchange rules
+ */
+export async function deduplicateSymbols(
+  this: QMHandler,
+  _input: any,
+  _context: ExecutionContext
+): Promise<{ message: string; symbolsProcessed: number; deactivated: number }> {
+  this.logger.info('Starting symbol deduplication');
+
+  try {
+    // Get all unique symbol names with their documents
+    const symbolGroups = await this.mongodb.aggregate('qmSymbols', [
+      {
+        $group: {
+          _id: '$symbol',
+          symbols: {
+            $push: {
+              qmSearchCode: '$qmSearchCode',
+              exchange: '$exchange',
+              countryCode: '$countryCode',
+              marketCap: { $ifNull: ['$marketCap', 0] },
+              _id: '$_id'
+            }
+          }
+        }
+      }
+    ]);
+
+    let totalProcessed = 0;
+    let totalDeactivated = 0;
+    const bulkOps = [];
+
+    // Get exchange priorities for sorting
+    const exchangePriorities = await this.mongodb.find('qmExchanges', {}, {
+      projection: { exchange: 1, priority: 1 }
+    });
+    const priorityMap = new Map(exchangePriorities.map(e => [e.exchange, e.priority || 1]));
+
+    for (const group of symbolGroups) {
+      const symbol = group._id;
+      const documents = group.symbols;
+
+      // Group by country
+      const byCountry = new Map<string, any[]>();
+      for (const doc of documents) {
+        const country = doc.countryCode || 'UNKNOWN';
+        if (!byCountry.has(country)) {
+          byCountry.set(country, []);
+        }
+        byCountry.get(country)!.push(doc);
+      }
+
+      // Process each country separately
+      for (const [country, countryDocs] of byCountry) {
+        if (countryDocs.length === 1) {
+          // Only one symbol in this country, mark as active
+          bulkOps.push({
+            updateOne: {
+              filter: { _id: countryDocs[0]._id },
+              update: { $set: { active: true } }
+            }
+          });
+          totalProcessed++;
+          continue;
+        }
+
+        // Multiple symbols in same country - need to choose one
+        let activeDoc = null;
+
+        if (country === 'US') {
+          // For US, prefer where qmSearchCode === symbol
+          activeDoc = countryDocs.find(doc => doc.qmSearchCode === symbol);
+        } else {
+          // For non-US, prefer symbol:COUNTRYCODE format
+          const expectedFormat = `${symbol}:${country}`;
+          activeDoc = countryDocs.find(doc => doc.qmSearchCode === expectedFormat);
+        }
+
+        // If no preferred format found, use highest priority exchange
+        if (!activeDoc) {
+          // Sort by exchange priority (desc) and market cap (desc)
+          countryDocs.sort((a, b) => {
+            const priorityA = priorityMap.get(a.exchange) || 1;
+            const priorityB = priorityMap.get(b.exchange) || 1;
+            if (priorityA !== priorityB) return priorityB - priorityA;
+            return (b.marketCap || 0) - (a.marketCap || 0);
+          });
+          activeDoc = countryDocs[0];
+        }
+
+        // Mark active and inactive documents
+        for (const doc of countryDocs) {
+          const isActive = doc._id.equals(activeDoc._id);
+          bulkOps.push({
+            updateOne: {
+              filter: { _id: doc._id },
+              update: { $set: { active: isActive } }
+            }
+          });
+          totalProcessed++;
+          if (!isActive) totalDeactivated++;
+        }
+      }
+    }
+
+    // Execute bulk update
+    if (bulkOps.length > 0) {
+      const collection = this.mongodb.collection('qmSymbols');
+      await collection.bulkWrite(bulkOps, { ordered: false });
+    }
+
+
+    this.logger.info(`Deduplication complete: processed ${totalProcessed} symbols, deactivated ${totalDeactivated}`);
+    return {
+      message: `Processed ${totalProcessed} symbols, deactivated ${totalDeactivated} duplicates`,
+      symbolsProcessed: totalProcessed,
+      deactivated: totalDeactivated
+    };
+
+  } catch (error) {
+    this.logger.error('Failed to deduplicate symbols', { error });
+    throw error;
+  }
+}
+
+/**
+ * Run both exchange stats and symbol deduplication
+ */
+export async function updateExchangeStatsAndDeduplicate(
+  this: QMHandler,
+  input: any,
+  context: ExecutionContext
+): Promise<{ message: string }> {
+  this.logger.info('Running exchange stats update and symbol deduplication');
+
+  try {
+    // First update exchange stats
+    const statsResult = await updateExchangeStats.call(this, input, context);
+    
+    // Then deduplicate symbols
+    const dedupResult = await deduplicateSymbols.call(this, input, context);
+
+    return {
+      message: `${statsResult.message}. ${dedupResult.message}`
+    };
+  } catch (error) {
+    this.logger.error('Failed to update stats and deduplicate', { error });
+    throw error;
+  }
+}
\ No newline at end of file
diff --git a/apps/stock/data-ingestion/src/handlers/qm/qm.handler.ts b/apps/stock/data-ingestion/src/handlers/qm/qm.handler.ts
index 75133a7..9e910af 100644
--- a/apps/stock/data-ingestion/src/handlers/qm/qm.handler.ts
+++ b/apps/stock/data-ingestion/src/handlers/qm/qm.handler.ts
@@ -9,6 +9,7 @@ import type { DataIngestionServices } from '../../types';
 import {
   checkSessions,
   createSession,
+  deduplicateSymbols,
   scheduleCorporateActionsUpdates,
   scheduleFilingsUpdates,
   scheduleFinancialsUpdates,
@@ -18,6 +19,8 @@ import {
   searchSymbols,
   spiderSymbol,
   updateCorporateActions,
+  updateExchangeStats,
+  updateExchangeStatsAndDeduplicate,
   updateFilings,
   updateFinancials,
   updateIntradayBars,
@@ -63,6 +66,25 @@ export class QMHandler extends BaseHandler<DataIngestionServices> {
   })
   spiderSymbol = spiderSymbol;
 
+  /**
+   * EXCHANGE STATS & DEDUPLICATION
+   */
+  @Operation('update-exchange-stats')
+  updateExchangeStats = updateExchangeStats;
+
+  @Operation('deduplicate-symbols')
+  deduplicateSymbols = deduplicateSymbols;
+
+  @Operation('update-exchange-stats-and-deduplicate')
+  updateExchangeStatsAndDeduplicate = updateExchangeStatsAndDeduplicate;
+
+  @ScheduledOperation('schedule-exchange-stats-and-dedup', '0 1 * * *', {
+    priority: 7,
+    immediately: false,
+    description: 'Update exchange statistics and deduplicate symbols daily at 1 AM'
+  })
+  scheduleExchangeStatsAndDedup = updateExchangeStatsAndDeduplicate;
+
   /**
    * SYMBOL INFO
    */
diff --git a/apps/stock/data-ingestion/src/handlers/qm/shared/config.ts b/apps/stock/data-ingestion/src/handlers/qm/shared/config.ts
index 80faa35..00c9864 100644
--- a/apps/stock/data-ingestion/src/handlers/qm/shared/config.ts
+++ b/apps/stock/data-ingestion/src/handlers/qm/shared/config.ts
@@ -42,8 +42,8 @@ export const QM_CONFIG = {
 
 // Session management settings
 export const SESSION_CONFIG = {
-  MIN_SESSIONS: 100,
-  MAX_SESSIONS: 100,
+  MIN_SESSIONS: 2,
+  MAX_SESSIONS: 2,
   MAX_FAILED_CALLS: 3,
   SESSION_TIMEOUT: 5000, // 10 seconds
   API_TIMEOUT: 30000, // 15 seconds
diff --git a/apps/stock/data-ingestion/src/handlers/qm/shared/operation-tracker.ts b/apps/stock/data-ingestion/src/handlers/qm/shared/operation-tracker.ts
index 1ab6f72..5edb761 100644
--- a/apps/stock/data-ingestion/src/handlers/qm/shared/operation-tracker.ts
+++ b/apps/stock/data-ingestion/src/handlers/qm/shared/operation-tracker.ts
@@ -217,6 +217,7 @@ export class QMOperationTracker {
     })();
 
     const filter: any = {
+      active: { $ne: false }, // Only active symbols (active: true or active doesn't exist)
       $or: [
         { [`operations.${operationName}.lastSuccessAt`]: { $lt: cutoffDate } },
         { [`operations.${operationName}.lastSuccessAt`]: { $exists: false } },
@@ -249,7 +250,9 @@ export class QMOperationTracker {
   ): Promise<IntradayCrawlSymbol[]> {
     const { limit = 100, includeFinished = false } = options;
 
-    const filter: any = {};
+    const filter: any = {
+      active: { $ne: false } // Only active symbols
+    };
     if (!includeFinished) {
       filter[`operations.${operationName}.crawlState.finished`] = { $ne: true };
     }
@@ -308,7 +311,9 @@ export class QMOperationTracker {
     } = {}
   ): Promise<Array<{ qmSearchCode: string; lastRecordDate?: Date }>> {
     const { limit = 500 } = options;
-    const filter: any = {};
+    const filter: any = {
+      active: { $ne: false } // Only active symbols
+    };
 
     if (options.neverRun) {
       filter[`operations.${operationName}`] = { $exists: false };
diff --git a/apps/stock/data-ingestion/src/handlers/qm/shared/types.ts b/apps/stock/data-ingestion/src/handlers/qm/shared/types.ts
index eba642b..7848f39 100644
--- a/apps/stock/data-ingestion/src/handlers/qm/shared/types.ts
+++ b/apps/stock/data-ingestion/src/handlers/qm/shared/types.ts
@@ -91,3 +91,9 @@ export interface IntradayCrawlSymbol {
     lastCrawlDirection?: 'forward' | 'backward';
   };
 }
+
+export interface ExchangeStats {
+  symbolCount: number;
+  totalMarketCap: number;
+  avgMarketCap: number;
+}