diff --git a/src/pages/trading/trading_system_page.py b/src/pages/trading/trading_system_page.py
index 5c9ecc7..50f1732 100644
--- a/src/pages/trading/trading_system_page.py
+++ b/src/pages/trading/trading_system_page.py
@@ -1,23 +1,46 @@
 import streamlit as st
 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
 
 def trading_system_page():
     st.header("Trading System")
     st.subheader("Position Calculator")
     
-    # Get latest portfolio value and open trades for cash calculation
+    # Get latest portfolio value and open trades for total portfolio calculation
     portfolio_data = get_latest_portfolio_value()
     cash_balance = portfolio_data['cash_balance'] if portfolio_data else 0
     
-    # Display available cash
-    st.info(f"Available Cash: ${cash_balance:,.2f}")
+    # Calculate total portfolio value including open positions
+    open_positions = get_open_trades_summary()
+    total_position_value = 0
+    
+    if open_positions:
+        # Get current prices for all open positions
+        tickers = [pos['ticker'] for pos in open_positions]
+        current_prices = get_current_prices(tickers)
+        
+        # Calculate total value of open positions
+        for position in open_positions:
+            ticker = position['ticker']
+            current_price = current_prices.get(ticker, 0)
+            shares = position['total_shares']
+            total_position_value += current_price * shares
+    
+    total_portfolio_value = cash_balance + total_position_value
+    
+    # Display portfolio information
+    col1, col2 = st.columns(2)
+    with col1:
+        st.info(f"Available Cash: ${cash_balance:,.2f}")
+    with col2:
+        st.info(f"Total Portfolio Value: ${total_portfolio_value:,.2f}")
         
     col1, col2 = st.columns(2)
     with col1:
         account_size = st.number_input("Account Size ($)", 
                                      min_value=0.0, 
-                                     value=cash_balance, 
+                                     value=total_portfolio_value, 
                                      step=1000.0)
         risk_percentage = st.number_input("Risk Percentage (%)", 
                                         min_value=0.1, 
@@ -53,7 +76,11 @@ def trading_system_page():
             col1, col2 = st.columns(2)
             with col1:
                 if recommended_shares < position['shares']:
-                    st.warning(f"Position size limited by available cash. Maximum affordable shares: {recommended_shares:,}")
+                    st.warning(
+                        f"Position size limited by available cash.\n"
+                        f"Ideal shares: {position['shares']:,}\n"
+                        f"Maximum affordable shares: {recommended_shares:,}"
+                    )
                     position_value = recommended_shares * entry_price
                     risk_amount = position['risk_amount'] * (recommended_shares / position['shares'])
                     
@@ -77,7 +104,12 @@ def trading_system_page():
             # Show percentage of cash being used
             if recommended_shares > 0:
                 cash_usage = (recommended_shares * entry_price / cash_balance) * 100
-                st.info(f"This position would use {cash_usage:.1f}% of available cash")
+                portfolio_usage = (recommended_shares * entry_price / total_portfolio_value) * 100
+                st.info(
+                    f"This position would use:\n"
+                    f"- {cash_usage:.1f}% of available cash\n"
+                    f"- {portfolio_usage:.1f}% of total portfolio"
+                )
                 
         except Exception as e:
             st.error(f"Error calculating position: {str(e)}")