Update app.py

app.py

@@ -3,12 +3,15 @@
 # Import required libraries
 import streamlit as st
 import yfinance as yf
-from datetime import date
+from datetime import date, timedelta
 import pandas as pd
 import numpy as np
 import matplotlib.pyplot as plt
 import io
 
+# Optional: Install 'ta' library for technical indicators (uncomment if needed)
+# !pip install ta
+
 # Set Streamlit page configuration
 st.set_page_config(
     page_title='📈 Indian Stock Data Downloader and Volume Analyzer',
@@ -50,7 +53,8 @@ if uploaded_file is not None:
             )
 
             # Date input widgets for date range selection
-            start_date = st.sidebar.date_input('📅 Start Date', date(2021, 1, 1))
+            default_start_date = date.today() - timedelta(days=365)  # Past year
+            start_date = st.sidebar.date_input('📅 Start Date', default_start_date)
             end_date = st.sidebar.date_input('📅 End Date', date.today())
 
             # Ensure that start_date is before end_date
@@ -72,7 +76,7 @@ if uploaded_file is not None:
                 ['OBV (Amount)', 'RSI', 'MACD']
             )
 
-            # Download button
+            # Download and Analyze Data button
             if st.sidebar.button('📥 Download and Analyze Data'):
                 if selected_stocks:
                     for company_name in selected_stocks: