[amibroker] RS trading system

["upsidetarget" <digimax@xxxxxxxxx>]

EnableRotationalTrading();

PosQty = 10;

SetOption("MaxOpenPositions", PosQty );

PositionSize = -100/PosQty; 

PositionScore=((Percentile(ROC(C),63,70)+Percentile(ROC(C),252,70))/2);

>>>

I'd like to recreate the above using a buy/sell system where:

Buy= Percentile(ROC(C),63,70) AND Percentile(ROC(C),252,70)
Sell= "The buy signal is no longer true"

Can anyone help me express this?

Michael


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