% Bands
This indicator plots 3 lines on the price chart 

Pds:= Input("EMA Periods?",1,1000,21); 
Pct:= Input("Percentage Bands?",0.1,10,5); 
MA:= Mov(C,Pds,E); 
TBnd:= MA*(1+Pct/100); 
LBnd:= MA*(1-Pct/100); 
MA;TBnd;LBnd;

*****% Bands Count*****
Plot this indicator in it's own window 
{Name: %BandsCount} 
Pds:= Input("EMA Periods?",1,1000,21); 
Pct:= Input("Percentage Bands?",0.1,10,5); 
MA:= Mov(C,Pds,E); 
TBnd:= MA*(1+Pct/100); 
LBnd:= MA*(1-Pct/100); 

IUp:= (H > TBnd) * Ref((H <= TBnd),-1); 
CntUp:= IUp + BarsSince(IUp=1) * (H > TBnd); 

IDn:= (L < LBnd) * Ref((L >= LBnd),-1); 
CntDn:= IDn + BarsSince(IDn=1) * (L < LBnd); 
CntUp; -CntDn;