Bollinger Bands Squeeze Strategy (Amibroker And Tradestation Code)

The original article can be found here.

Trading rules in plain English:

• The RSI of the bands must be lower than 45
• The close must set a new 5-day high
• We sell after 20 weeks

Amibroker code:

oddis=Optimize("Trading day",20,1,25,1);

band = BBandTop(C,10,2) - BBandBot(C,10,2) ;
RSIband=RSIa(band,10);
Plot(band,"Band Diff",colorRed,styleLine) ;

Buy= RSIband<45 AND C>Ref(HHV(C,5),-1) ;
buyPrice= Close;
Sell= 0;
sellPrice= Close ;


ApplyStop(stopTypeNBar,stopModeBars,oddis,1);

Tradestation code:

{
Bollinger Bands Squeeze Strategy 
https://www.quantifiedstrategies.com/lessons/bollinger-bands-squeeze-strategy-amibroker-code/
}

Inputs:
	BBLookback(10),
	BBNumDevs(2),
	RSILookback(10),
	RSITreshold(45),
	HoldBars(20);
	
Vars:
	Band(0),
	RsiBand(0);

Band = BollingerBand(Close, BBLookback, BBNumDevs) - BollingerBand(Close, BBLookback, -BBNumDevs);
RSIBand = RSI(Band, RSILookback);

if RSIBand < RSITreshold AND Close > Highest(Close, 5)[1] Then
	Buy this bar on close;

if Barssinceentry(0) >= HoldBars Then
	Sell this bar on close;