diff --git a/lib/drift/orders.ts b/lib/drift/orders.ts
index 39c1315..55a0347 100644
--- a/lib/drift/orders.ts
+++ b/lib/drift/orders.ts
@@ -628,13 +628,44 @@ export async function closePosition(
     console.log(`   Closed notional: $${closedNotional.toFixed(2)}`)
     console.log(`   Realized P&L: $${realizedPnL.toFixed(2)}`)
     
-    // If closing 100%, cancel all remaining orders for this market
+    // If closing 100%, verify position actually closed and cancel remaining orders
     if (params.percentToClose === 100) {
       console.log('🗑️ Position fully closed, cancelling remaining orders...')
       const cancelResult = await cancelAllOrders(params.symbol)
       if (cancelResult.success && cancelResult.cancelledCount! > 0) {
         console.log(`✅ Cancelled ${cancelResult.cancelledCount} orders`)
       }
+      
+      // CRITICAL: Verify position actually closed on Drift (Nov 16, 2025)
+      // Transaction confirmed ≠ Drift state updated immediately
+      // Wait 5 seconds for Drift internal state to propagate
+      console.log('⏳ Waiting 5s for Drift state to propagate...')
+      await new Promise(resolve => setTimeout(resolve, 5000))
+      
+      try {
+        const verifyPosition = await driftService.getPosition(marketConfig.driftMarketIndex)
+        if (verifyPosition && Math.abs(verifyPosition.size) >= 0.01) {
+          console.error(`🔴 CRITICAL: Close transaction confirmed BUT position still exists on Drift!`)
+          console.error(`   Transaction: ${txSig}`)
+          console.error(`   Drift size: ${verifyPosition.size}`)
+          console.error(`   This indicates Drift state propagation delay or partial fill`)
+          console.error(`   Position Manager will continue monitoring until Drift confirms closure`)
+          // Return success but flag that monitoring should continue
+          return {
+            success: true,
+            transactionSignature: txSig,
+            closePrice: oraclePrice,
+            closedSize: sizeToClose,
+            realizedPnL,
+            needsVerification: true, // Flag for Position Manager
+          }
+        } else {
+          console.log('✅ Position verified closed on Drift')
+        }
+      } catch (verifyError) {
+        console.warn('⚠️ Could not verify position closure:', verifyError)
+        // Continue anyway - transaction was confirmed
+      }
     }
     
     return {
diff --git a/lib/trading/position-manager.ts b/lib/trading/position-manager.ts
index 8b920fe..47f4f4b 100644
--- a/lib/trading/position-manager.ts
+++ b/lib/trading/position-manager.ts
@@ -1202,6 +1202,17 @@ export class PositionManager {
         console.error(`❌ Failed to close ${trade.symbol}:`, errorMsg)
         return
       }
+      
+      // CRITICAL: Check if position needs verification (Nov 16, 2025)
+      // If close transaction confirmed but Drift still shows position open,
+      // DON'T mark as closed yet - keep monitoring until Drift confirms
+      if ((result as any).needsVerification) {
+        console.log(`⚠️ Close transaction confirmed but position still exists on Drift`)
+        console.log(`   Keeping ${trade.symbol} in monitoring until Drift confirms closure`)
+        console.log(`   Ghost detection will handle final cleanup once Drift updates`)
+        // Keep monitoring - ghost detection will eventually see it's closed
+        return
+      }
 
       // Update trade state
       if (percentToClose >= 100) {