I'm scalping these days only with RSI(2) and RSI(14) in 1 min chart
Buyin' at RSI(14) is under 25
Over Buyin' at RSI(14) is under 25 and RSI(2) is under 1
Sellin' at RSI(14) over 75
Over Sellin' at RSI(14) is over 75 and RSI(2) is over 99
"Over buying and over selling" is 5 times normal...