This screen finds a Parabolic SAR bearish reversal: the price has just moved below the SAR, which flips from below the price to above it. The Parabolic SAR (stop and reverse), developed by J. Welles Wilder, plots dots below the price in an uptrend and above it in a downtrend; with the 0.02 step and 0.2 maximum, the dots accelerate toward the price as the trend continues and serve as a trailing stop. The flip is a sell signal that an uptrend may have ended, and many traders use it to exit long positions.
