update utils

utils.py

@@ -88,12 +88,19 @@ def calculate_technical_indicators(data):
     }
     
     # Moving Averages
+    sma_20_series = data['Close'].rolling(20).mean()
+    sma_50_series = data['Close'].rolling(50).mean()
+    
     indicators['moving_averages'] = {
-        'sma_20': data['Close'].rolling(20).mean().iloc[-1],
-        'sma_50': data['Close'].rolling(50).mean().iloc[-1],
+        'sma_20': sma_20_series.iloc[-1], # Current value
+        'sma_50': sma_50_series.iloc[-1], # Current value
         'sma_200': data['Close'].rolling(200).mean().iloc[-1],
         'ema_12': data['Close'].ewm(span=12).mean().iloc[-1],
-        'ema_26': data['Close'].ewm(span=26).mean().iloc[-1]
+        'ema_26': data['Close'].ewm(span=26).mean().iloc[-1],
+        
+        # ADDED: Full historical series for plotting
+        'sma_20_values': sma_20_series,
+        'sma_50_values': sma_50_series
     }
     
     # Volume indicators
@@ -341,7 +348,7 @@ def create_price_chart(data, indicators):
     fig.add_trace(
         go.Scatter(
             x=data.index,
-            y=indicators['moving_averages']['sma_20'],
+            y=indicators['moving_averages']['sma_20_values'], # FIXED: Use full series
             name='SMA 20',
             line=dict(color='orange', width=1)
         ),
@@ -351,7 +358,7 @@ def create_price_chart(data, indicators):
     fig.add_trace(
         go.Scatter(
             x=data.index,
-            y=indicators['moving_averages']['sma_50'],
+            y=indicators['moving_averages']['sma_50_values'], # FIXED: Use full series
             name='SMA 50',
             line=dict(color='blue', width=1)
         ),
@@ -432,7 +439,7 @@ def create_technical_chart(data, indicators):
     fig.add_trace(
         go.Scatter(
             x=data.index,
-            y=[indicators['moving_averages']['sma_20']] * len(data),
+            y=indicators['moving_averages']['sma_20_values'], # FIXED: Use full series
             name='SMA 20',
             line=dict(color='orange', dash='dash')
         ),