Update app.py

app.py

@@ -75,7 +75,7 @@ def parse_amount_range(amount_str):
 st.sidebar.title("Filters")
 
 with st.sidebar.expander("Parameters", expanded=True):
-    default_start_date = datetime.date.today() - relativedelta(months=2)
+    default_start_date = datetime.date.today() - relativedelta(months=3)
     start_date = st.date_input("Start transaction date", value=default_start_date)
     top_n = st.slider("Top N stocks", min_value=1, max_value=20, value=10, 
                       help="Select the top N stock by trade amount and volume.")