XL1:=(ma(LOW,2) * 0.96); XL2:=(MA(LOW,26) * 0.85); XL3:=(((REF(XL1,1) < XL2) AND (REF(XL1,1) < XL1)) AND (REF(XL1,1) < REF(XL1,2))); 红钻:XL3;