Parabolic Stop and Reverse (SAR) strategy is based on the Parabolic SAR indicator. It enters long whenever SAR changes its position from being above the chart to being below, and enters short when the opposite happens.
The underlying Parabolic SAR indicator is described in detail in its respective Help Center article.
The starting value for the Acceleration Factor (.02 is the Default).
The increment in which the Acceleration Factor will move (.02 is Default).
The maximum value of the Acceleration Factor (.20 is the Default)