diff --git a/tradingagents/graph/portfolio_analysis.py b/tradingagents/graph/portfolio_analysis.py
index 15fe03cb..f3f2d2d2 100644
--- a/tradingagents/graph/portfolio_analysis.py
+++ b/tradingagents/graph/portfolio_analysis.py
@@ -125,8 +125,9 @@ class PortfolioAnalyzer:
         try:
             return self.deep_thinking_llm.invoke(messages).content
         except Exception as e:
+            import traceback
             return (
-                f"Portfolio summary generation failed: {e}\n"
+                f"Portfolio summary generation failed: {e}\n{traceback.format_exc()}\n"
                 f"Individual signals were: "
                 + ", ".join(f"{t}: {r['signal']}" for t, r in individual_results.items())
             )