Z-Score + Momentum Strategy (Filtered)

✅ What the script does:
Calculates the Z-Score of price with EMA smoothing.

Calculates Momentum as the difference between the current price and the price n bars ago.

Generates signals:

Buy: When the Z-Score is rising and relatively positive, and momentum is increasing.

Sell: When the Z-Score is falling, and momentum is decreasing.

Plots BUY and SELL labels on the candles.

Provides alerts that can be activated from the TradingView settings.

Displays Z-Score and Momentum in the lower pane of the chart.

🎯 How to use the script:
Copy the code into the Pine Editor on TradingView.

Click "Add to Chart".

Enable alerts using the alertcondition settings.

You can modify the following parameters:

Z-Score period: length

Momentum lookback period: momentumLength

Z-Score entry threshold: threshold