Momentum-Based Buy/Sell Signals

Buy Signal:

Triggered when ROC > threshold and the MACD line crosses above the Signal line.
Sell Signal:

Triggered when ROC < threshold and the MACD line crosses below the Signal line.
Visual Elements:

Green labels with "Buy" are displayed below the bars for buy signals.
Red labels with "Sell" are displayed above the bars for sell signals.
The background turns green during a buy signal and red during a sell signal for better visual clarity.