Fix backtest datetime format to use YYYY-MM-DD instead of isoformat for Alpaca API

2026-01-27 17:28:46 -07:00
parent 037a04c2bf
commit 564f4e25e6
1 changed files with 4 additions and 3 deletions
@@ -515,8 +515,9 @@ def advanced_backtest_strategy():
        end_date = datetime.now()
        start_date = end_date - timedelta(days=BACKTEST_DAYS)
        
-        bars = api.get_bars(SYMBOL, "15Min", start=start_date.isoformat(), 
-                           end=end_date.isoformat()).df
+        # Format dates as YYYY-MM-DD for Alpaca API
+        bars = api.get_bars(SYMBOL, "15Min", start=start_date.strftime('%Y-%m-%d'), 
+                           end=end_date.strftime('%Y-%m-%d')).df
        if len(bars) < 100:
            logger.warning("⚠️  Insufficient data for backtest")
            return True