How this criterion is used in the Brutus Options Ranker

The percent change of the underlying price in the past month

Current options volume across all puts and calls on the underlying vs. the 20d average

The short ratio divides the number of shares short in the underlying stock by its average daily trading volume

The maximum possible annualized return on the trade.

The maximum possible return in total dollars for the minimum size of the trade.

Underlying 30d IV (w/o Earnings) Correlated to SPY IV 30d over a 1yr timeframe

Percentile underlying IV / SPY IV vs year range.

Standard deviations of the current underlying IV vs. the year's mean.

Standard deviation of the underlying IV for the year.