diff --git a/tradingagents/graph/trading_graph.py b/tradingagents/graph/trading_graph.py
index acd461d3..af3ced2f 100644
--- a/tradingagents/graph/trading_graph.py
+++ b/tradingagents/graph/trading_graph.py
@@ -264,7 +264,7 @@ class TradingAgentsGraph:
 
         log_path = directory / f"full_states_log_{trade_date}.json"
         with open(log_path, "w", encoding="utf-8") as f:
-            json.dump(self.log_states_dict, f, indent=4)
+            json.dump(self.log_states_dict[str(trade_date)], f, indent=4)
 
     def reflect_and_remember(self, returns_losses):
         """Reflect on decisions and update memory based on returns."""