A trend-following indicator that plots dots above or below price — used to set trailing stops and identify trend direction.
Parabolic SAR (Stop and Reverse) plots a series of dots above or below price, depending on trend direction. Dots BELOW price = uptrend, dots ABOVE price = downtrend. When the dots flip sides, the trend has reversed. The dots accelerate as the trend extends, which makes them tighten as a built-in trailing stop.
PSAR was designed by J. Welles Wilder (the same trader who created RSI and ATR) specifically as a trailing stop tool. The acceleration factor means that the longer a trend runs, the tighter the stop gets — eventually price flips the dots and you exit. It's a self-managing trailing stop system.
The weakness of PSAR is that it whipsaws constantly in ranging markets. The dots flip back and forth on every swing, and you get stopped out of every trade. PSAR works in trends and fails in chop. Always pair it with a trend filter (like a higher timeframe MA).
Gold traders riding the 2024 trend from $2,000 to $2,790 used the daily PSAR as a trailing stop. The dots stayed below price for 90% of the move, only flipping at the late-October top — clean exit.
Frequently asked about parabolic sar
What is a parabolic sar in trading?+
A trend-following indicator that plots dots above or below price — used to set trailing stops and identify trend direction.
When will I see parabolic sar used in real trading?+
On any platform with built-in indicators. Less popular than MACD or RSI, but still widely used for trend following.
What is the most common mistake traders make with parabolic sar?+
Trading PSAR in ranging markets. The flips happen constantly and every signal fails. PSAR is a TRENDING-MARKET tool only.
What do experienced traders know about parabolic sar that beginners don't?+
Use PSAR exclusively as a trailing stop after you're already in a trade — never as an entry signal on its own. The entry needs separate confirmation; PSAR just manages the exit.
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