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العربيةForex Parabolic SAR
Forex Parabolic SAR
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Frequently Asked Questions
What is the Parabolic SAR indicator and how does it work?
Parabolic SAR (Stop and Reverse) is a trend-following indicator that plots dots above or below price. Dots below price suggest an uptrend; dots above suggest a downtrend. As the trend continues, the dots accelerate toward price. When price crosses them, the dots flip to the other side, signalling a potential reversal. It is designed to help time entries, exits and trailing stops in trending markets.
How do you read Parabolic SAR buy and sell signals?
When the dots move from above price to below it, that flip is read as a potential buy signal; when they flip from below to above, it is a potential sell signal. Many traders use the dots as a trailing stop, exiting or reversing when price touches them. Signals reflect probability, not certainty, so confirm with trend direction and use protective stops on leveraged CFD trades.
What are the best Parabolic SAR settings?
The standard settings are a step (acceleration factor) of 0.02 and a maximum of 0.20. A lower step makes the dots less sensitive and follow price at a distance, reducing false flips; a higher step tightens them and reacts faster but whipsaws more. Most traders keep the defaults and adjust their timeframe instead. Always test any change on historical data before trading it live.
Why does Parabolic SAR give false signals in ranging markets?
Parabolic SAR is built for trending conditions. In a sideways or choppy range, price repeatedly crosses the dots, causing them to flip back and forth and generate frequent false signals, known as whipsaws. To reduce this, use a trend filter such as ADX or a moving average and only act on SAR flips when a clear trend exists. Avoid trading it during quiet, rangebound sessions.
How is Parabolic SAR used as a trailing stop?
Because the dots trail behind price and tighten as a trend matures, many traders place their stop-loss at the current SAR level. In an uptrend the stop rises with the dots below price; in a downtrend it falls with the dots above. This locks in gains while giving the trend room to run, and exits automatically when price touches the dot. It does not guarantee the exit price.
What is the difference between Parabolic SAR and moving averages?
Both follow trends, but they behave differently. A moving average smooths price into a single line and lags, helping identify direction. Parabolic SAR plots dynamic stop-and-reverse points that accelerate with the trend and flip on reversals, making it more focused on exit timing and trailing stops. Traders often combine the two: a moving average confirms the trend while SAR manages entries, exits and stops.
