Update app.py

app.py

@@ -720,6 +720,39 @@ def update_price_chart(selected_stock, period, chart_type):
 
     return fig
 
+    # 更新RSI圖表（保持兼容性）
+@app.callback(
+    dash.dependencies.Output('rsi-chart', 'figure'),
+    [dash.dependencies.Input('stock-dropdown', 'value'),
+     dash.dependencies.Input('period-dropdown', 'value')]
+)
+def update_rsi_chart(selected_stock, period):
+    data = get_stock_data(selected_stock, period)
+    if data.empty:
+        return {}
+
+    data = calculate_technical_indicators(data)
+
+    fig = go.Figure()
+    fig.add_trace(go.Scatter(x=data.index, y=data['RSI'], mode='lines', name='RSI', line=dict(color='purple', width=2)))
+    fig.add_hline(y=70, line_dash="dash", line_color="red", annotation_text="超買線(70)")
+    fig.add_hline(y=30, line_dash="dash", line_color="green", annotation_text="超賣線(30)")
+    fig.add_hline(y=50, line_dash="dot", line_color="gray", annotation_text="中線(50)")
+
+    # 添加超買超賣區域背景
+    fig.add_hrect(y0=70, y1=100, fillcolor="red", opacity=0.1, annotation_text="超買區")
+    fig.add_hrect(y0=0, y1=30, fillcolor="green", opacity=0.1, annotation_text="超賣區")
+
+    fig.update_layout(
+        title='RSI 相對強弱指標',
+        xaxis_title='日期',
+        yaxis_title='RSI',
+        height=400,
+        yaxis=dict(range=[0, 100])
+    )
+
+    return fig
+
 
 
 # 新增：進階技術指標圖表