diff --git a/src/pages/trading/trading_system_page.py b/src/pages/trading/trading_system_page.py
index 7e64ff5..af79d0d 100644
--- a/src/pages/trading/trading_system_page.py
+++ b/src/pages/trading/trading_system_page.py
@@ -12,21 +12,25 @@ def trading_system_page():
     cash_balance = portfolio_data['cash_balance'] if portfolio_data else 0
     
     # Calculate total portfolio value including open positions
-    open_summary = get_open_trades_summary()  # Change to use summary instead of raw trades
+    open_summary = get_open_trades_summary()
     total_position_value = 0
+    total_paper_pl = 0
     
     if open_summary:
         # Get current prices for all open positions
-        tickers = list(set(summary['ticker'] for summary in open_summary))
-        current_prices = get_current_prices(tickers)
+        unique_tickers = list(set(summary['ticker'] for summary in open_summary))
+        current_prices = get_current_prices(unique_tickers)
         
-        # Calculate total value of open positions
+        # Calculate total invested value and paper P/L
         for summary in open_summary:
             ticker = summary['ticker']
             current_price = current_prices.get(ticker, 0)
             shares = summary['total_shares']
-            position_value = current_price * shares
+            avg_entry = summary['avg_entry_price']
+            
+            position_value = current_price * shares if current_price else avg_entry * shares
             total_position_value += position_value
+            total_paper_pl += (current_price - avg_entry) * shares if current_price else 0
     
     total_portfolio_value = cash_balance + total_position_value