Update app.py

app.py

@@ -102,7 +102,7 @@ def plot_results(data, params, title_suffix):
     )
 
     # Price and Moving Averages plot
-    fig.add_trace(go.Scatter(x=data.index, y=data['Adj Close'], mode='lines', name='Price', line=dict(color='black')), row=1, col=1)
+    fig.add_trace(go.Scatter(x=data.index, y=data['Adj Close'], mode='lines', name='Price', line=dict(color='white')), row=1, col=1)
     fig.add_trace(go.Scatter(x=data.index, y=data['short_ma'], mode='lines', name=f'Short MA ({params[0]})', line=dict(color='blue')), row=1, col=1)
     fig.add_trace(go.Scatter(x=data.index, y=data['medium_ma'], mode='lines', name=f'Medium MA ({params[1]})', line=dict(color='orange')), row=1, col=1)
     fig.add_trace(go.Scatter(x=data.index, y=data['long_ma'], mode='lines', name=f'Long MA ({params[2]})', line=dict(color='green')), row=1, col=1)