diff --git a/.env b/.env
index 4763b71..6840adf 100644
--- a/.env
+++ b/.env
@@ -390,7 +390,7 @@ NEW_RELIC_LICENSE_KEY=
 USE_TRAILING_STOP=true
 TRAILING_STOP_PERCENT=0.5
 TRAILING_STOP_ACTIVATION=0.4
-MIN_SIGNAL_QUALITY_SCORE=81
+MIN_SIGNAL_QUALITY_SCORE=91
 SOLANA_ENABLED=true
 SOLANA_POSITION_SIZE=100
 SOLANA_LEVERAGE=15
diff --git a/app/api/settings/route.ts b/app/api/settings/route.ts
index cf7eab4..5124eac 100644
--- a/app/api/settings/route.ts
+++ b/app/api/settings/route.ts
@@ -52,10 +52,13 @@ function updateEnvFile(updates: Record<string, any>) {
     
     fs.writeFileSync(ENV_FILE_PATH, content, 'utf-8')
 
-    // Also update in-memory environment so running process sees new values immediately
+    // Note: Changes to .env require container restart to take full effect
+    // In-memory updates below are temporary and may not persist across all modules
     Object.entries(updates).forEach(([key, value]) => {
-      process.env[key] = value
+      process.env[key] = value.toString()
     })
+    
+    console.log('⚠️ Settings updated in .env file. Container restart recommended for all changes to take effect.')
     return true
   } catch (error) {
     console.error('Failed to write .env file:', error)
diff --git a/lib/trading/position-manager.ts b/lib/trading/position-manager.ts
index 148f445..b2a6f78 100644
--- a/lib/trading/position-manager.ts
+++ b/lib/trading/position-manager.ts
@@ -547,6 +547,13 @@ export class PositionManager {
     trade: ActiveTrade,
     currentPrice: number
   ): Promise<void> {
+    // CRITICAL FIX (Nov 23, 2025): Check if trade still in monitoring
+    // Prevents duplicate processing when async operations remove trade during loop
+    if (!this.activeTrades.has(trade.id)) {
+      console.log(`⏭️ Skipping ${trade.symbol} - already removed from monitoring`)
+      return
+    }
+    
     // CRITICAL: Update lastPrice FIRST so /status always shows current price
     // (even if function returns early due to position checks)
     trade.lastPrice = currentPrice