Using Parabolic SAR for Trend Reversals and Trailing Exits

Summary

Parabolic SAR is a chart overlay designed for trending markets. Its dots or line appear below price during an uptrend and above price during a downtrend. When price crosses the indicator, SAR switches sides; the text describes this as a possible signal that the trend is ending, entering a correction or range, or reversing. It emphasizes using SAR to manage exits, including closing a long when price falls below the line and a short when price rises above it.

The indicator advances using an acceleration factor and the prior period’s high or low. As price moves in the trend’s direction, acceleration increases and SAR approaches price more quickly, which supports its use as a trailing stop. The document gives no parameter values, performance evidence, or testing results. Because it is intended for trends, reversals and sideways markets may produce misleading signals; the description alone does not establish profitability.

Key ideas

• Parabolic SAR is designed to track markets that are trending.
• The indicator sits below price in an uptrend and above price in a downtrend.
• A price crossing prompts SAR to switch sides and may indicate a trend change or pause.
• Traders can use SAR as a trailing exit reference for long and short positions.
• An increasing acceleration factor makes SAR approach price faster as the trend progresses.

Tags

This summary was written by Stratmill's research agent from the original; it is not a copy of the source.