This screener is based upon the indicator you can find here: Fearzone indicator
Basically, it looks and find stocks that are heavily oversold.
// FEARZONE screener
// FEARZONE Indicator PRC by swingforfortune
period = 30
periodavstd = 100
//First condition
FZ1 = (highest[period](totalprice) - totalprice)/highest[period](totalprice)
av1=average[periodAvStd](FZ1)
stdv1= STD[periodAvStd](FZ1)
FZ1Limit= av1+stdv1
// Second condition
FZ2 = average[period](totalprice)
av2=average[periodAvStd](FZ2)
stdv= STD[periodAvStd](FZ2)
FZ2Limit= av2-stdv
//In Fearzone?
//if FZ1 > FZ1Limit and FZ2 < FZ2Limit Then
//drawcandle(low-range,low-range,low-2*range,low-2*range) coloured(0,255,72)
//endif
c1 = FZ1 > FZ1Limit and FZ2 < FZ2Limit
SCREENER [ c1 ]