Update app.py

app.py

@@ -467,7 +467,7 @@ def plot_individual_signals(df, ticker):
     'MACD_Signal': {'buy': 'darkblue', 'sell': 'lightpink'},  # Light purple / Pale butter
     'RSI_Signal': {'buy': 'darkblue', 'sell': 'lightpink'},  # Light purple / Pale butter
     'BB_Signal': {'buy': 'darkblue', 'sell': 'lightpink'},    # Purple / Chiffon yellow
-    'Stochastic_Signal': {'darkblue': 'purple', 'sell': 'lightpink'},  # Purple / Corn silk
+    'Stochastic_Signal': {'buy': 'darkblue', 'sell': 'lightpink'},  # Purple / Corn silk
     'CMF_Signal': {'buy': 'darkblue', 'sell': 'lightpink'},  # Deep purple / Lemon chiffon
     'CCI_Signal': {'buy': 'darkblue', 'sell': 'lightpink'}   # Dark purple / Soft maize
 }