Психологический индекс
LookBack:= Input("Number of lookback periods", 2, 100, 12);
UThreshold:= Input("Upper threshold (%)", 0, 100, 75);
LThreshold:= Input("Lower threshold (%)", 0, 100, 25);
UpDay:= If(CLOSE > Ref(CLOSE,-1), 1, 0);
PsychIndex:= Sum(UpDay,LookBack) / LookBack * 100;
PsychIndex; UThreshold; LThreshold
