Standard Deviation-SuperTrend Strategy

Standard Deviation is a common statistical calculation that measures volatility. Supertrend is a trend following indicator which can be used to identify upward or downward trends.

BUY : when current SD is greater than maximum EMA on SD for previous 40 period.
SELL: when Supertrend crossed above Current close.

BUY{
SET sd = SDV(CLOSE,21,2,SIMPLE); 
SET st = SUPERTREND(200,5,SIMPLE); 
SET av = EMA(sd,50);
SET hv = MAX(av,40);
sd > hv and CLOSE > st;}

SELL{
set sd = SDV(CLOSE,21,2,SIMPLE); 
set st = SUPERTREND(200,5,SIMPLE); 
CROSSOVER(st,CLOSE);}

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