Is there a way to screen for volatility? My way of trading asks for maximum volatility, but I'm having a hard time screening for stocks that qualify. Usually I look at 1-min charts for the previous day on some arbitrary stock list and choose the ones that have the most and longest, alternating 1-minute bars. It's discretionary. Basically, I'm looking for stocks that are NOT trending, or will not trend. How would I go about my business and what screener can I use? What parameters should I look for?