diff --git a/.env b/.env
index 3cfa0e1..b2cd43a 100644
--- a/.env
+++ b/.env
@@ -393,6 +393,11 @@ TRAILING_STOP_ACTIVATION=0.4
 MIN_SIGNAL_QUALITY_SCORE=91
 MIN_SIGNAL_QUALITY_SCORE_LONG=90  # Nov 23, 2025: Longs have 71.4% WR at quality 90-94 (+$44.77 on 7 trades)
 MIN_SIGNAL_QUALITY_SCORE_SHORT=95  # Nov 23, 2025: Shorts toxic at quality 90-94 (28.6% WR, -$553.76 on 7 trades)
+\n# Adaptive Leverage System (Nov 24, 2025)
+USE_ADAPTIVE_LEVERAGE=true
+HIGH_QUALITY_LEVERAGE=15
+LOW_QUALITY_LEVERAGE=10
+QUALITY_LEVERAGE_THRESHOLD=95
 SOLANA_ENABLED=true
 SOLANA_POSITION_SIZE=100
 SOLANA_LEVERAGE=15
diff --git a/lib/trading/position-manager.ts b/lib/trading/position-manager.ts
index 17e4bf8..86dd2e4 100644
--- a/lib/trading/position-manager.ts
+++ b/lib/trading/position-manager.ts
@@ -815,6 +815,12 @@ export class PositionManager {
       
       if ((position === null || position.size === 0) && !trade.closingInProgress) {
         
+        // CRITICAL FIX (Nov 24, 2025): IMMEDIATELY mark as closingInProgress
+        // This prevents ANY duplicate processing before DB update completes
+        trade.closingInProgress = true
+        trade.closeConfirmedAt = Date.now()
+        console.log(`🔒 Marked ${trade.symbol} as closingInProgress to prevent duplicate external closure processing`)
+        
         // CRITICAL FIX (Nov 20, 2025): If TP1 already hit, this is RUNNER closure
         // We should have been monitoring with trailing stop active
         // Check if we should have had trailing stop protection