Most screeners (Finviz for sure) has 20 different signals to select from, when you screen. If you choose "Most Violatile" you will get a list that might be what you are looking for.
For example, when i run that screen of shares greater than $7 among the top 20 most violatile ranked according to volume ... for yesterday, NOVN was up 62% and ORPH was down 55%