diff --git a/src/pages/trading/trading_system_page.py b/src/pages/trading/trading_system_page.py
index 3f51533..7e64ff5 100644
--- a/src/pages/trading/trading_system_page.py
+++ b/src/pages/trading/trading_system_page.py
@@ -1,5 +1,5 @@
 import streamlit as st
-from trading.journal import get_latest_portfolio_value, get_open_trades_summary, get_open_trades
+from trading.journal import get_latest_portfolio_value, get_open_trades_summary
 from trading.position_calculator import PositionCalculator
 from utils.data_utils import get_current_prices
 
@@ -12,22 +12,20 @@ def trading_system_page():
     cash_balance = portfolio_data['cash_balance'] if portfolio_data else 0
     
     # Calculate total portfolio value including open positions
-    open_trades = get_open_trades()
+    open_summary = get_open_trades_summary()  # Change to use summary instead of raw trades
     total_position_value = 0
     
-    if open_trades:
+    if open_summary:
         # Get current prices for all open positions
-        tickers = list(set(trade['ticker'] for trade in open_trades))
+        tickers = list(set(summary['ticker'] for summary in open_summary))
         current_prices = get_current_prices(tickers)
         
         # Calculate total value of open positions
-        position_values = {}
-        for trade in open_trades:
-            ticker = trade['ticker']
+        for summary in open_summary:
+            ticker = summary['ticker']
             current_price = current_prices.get(ticker, 0)
-            shares = trade['shares']
+            shares = summary['total_shares']
             position_value = current_price * shares
-            position_values[ticker] = position_values.get(ticker, 0) + position_value
             total_position_value += position_value
     
     total_portfolio_value = cash_balance + total_position_value