The Trend Direction Force Index (TDFI) is a momentum-based trading indicator designed to identify strong trend movements and potential reversals by analyzing the relationship and rate of change between two moving averages: a Main Moving Average (MMA) for short-term momentum and a Smoothed Moving Average (SMMA) for the underlying trend. TDFI calculates divergence force (distance between MMAs), momentum acceleration (trend speed), and normalizes these values to filter out market noise. The indicator visually distinguishes bullish momentum (green), bearish momentum (red), and neutral/consolidation phases (gray) based on customizable thresholds. It supports adaptive smoothing using various moving average types such as EMA, WMA, Hull, and TEMA for responsiveness. TDFI includes customizable real-time alerts for trend strength changes and reversals and is applicable across all timeframes, making it suitable for scalping, day trading, and swing trading.