The Center of Gravity (COG) indicator for MetaTrader 4 (MT4) is a non-lagging oscillator designed to help traders identify key reversal zones on forex charts. Based on John Ehlers’ system from 2002, this powerful MT4 indicator compares past price data with the current price to pinpoint areas of potential Support And Resistance.
How the COG Indicator Works
The COG indicator reduces technical analysis effort while improving accuracy in detecting price swings. Its nearly zero-lag design allows traders to spot high-probability reversal points quickly. Key benefits include:
- High accuracy in reading reversals, ideal for both novice and experienced traders
- Smoothing feature that makes it easy to identify turning points
- Non-intrusive design, keeping the main chart clear for Price Action analysis
The indicator works well for Scalping, day trading, intraday strategies, and higher timeframe analysis.
BUY and SELL Signals
The COG indicator uses two signal lines, generating BUY/SELL signals when they cross over.
Trading Setup Examples:
- BUY setup:
- Observe price action for signs of an upward reversal (e.g., bullish engulfing candle).
- Enter a BUY position after the two COG signal lines cross in the anticipated direction.
- SELL setup:
- Look for a reversal sign to the downside (e.g., bearish engulfing candle).
- Enter a SELL trade once the signal lines cross downward.
Tip: Use the COG indicator alongside price action or other indicators for more reliable signals, especially during sideways market conditions. Signals on higher timeframes tend to be more accurate.
Conclusion
The Center of Gravity indicator for MT4 is a powerful tool for timely trade entries and exits. Its precision in spotting reversal zones helps traders anticipate market moves more effectively. Best of all, the indicator is free to download, making it an essential addition to any forex trader’s toolkit.
Published:
Mar 18, 2026 11:15 AM
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