this codes can help you how save the Values when Crossover or Cross lines each difference lines.
first of all, this codes based on line ( ).
when the located 20 or 80 lines (it's means over sold/bought), it's show the price on your charts.
can everyone use this.
Bit be with
on chart = value when under 20 or over 80
under Oscillator = about "RSI" when under 20 or over 80
now users can change print out price source.
close/open/ hlc3.. etc.,
overbought & sold condition.