Inside bar strategy

Algos, strategies, code
1

HELLO EXPERTS,

I WANT THE CODES FOR INSIDE BAR STRATEGY

TREND UP OR DOWN FOR LAST THREE BAR

ALERTS WHEN 4 candle COMPLETES within the previous BAR

THANKS and Regards

MAK

2

For the above condition

TREND(CLOSE,3)=UP AND CLOSE < REF(CLOSE,1)