feat: Enhance Monte Carlo simulation with minute-level data aggregation

src/pages/analysis/monte_carlo_page.py

@@ -203,12 +203,12 @@ def monte_carlo_page():
     if st.button("Run Simulation"):
         with st.spinner('Running Monte Carlo simulation...'):
             try:
-                # Get historical data
+                # Get minute-level historical data
                 df = get_stock_data(
                     ticker, 
                     datetime.combine(start_date, datetime.min.time()),
                     datetime.combine(end_date, datetime.min.time()),
-                    'daily'
+                    '1m'  # Get minute data
                 )
                 
                 if df.empty: