TR:=MAX(MAX((HIGH-LOW),ABS(REF(CLOSE,1)-HIGH)),ABS(REF(CLOSE,1)-LOW)); ATR:=MA(TR,M); TC:=0.01; U:=WMA(H, M); D:=WMA(L, M); A:=WMA(H, N); B:=WMA(L, N); REF(L,1)>U AND REF(L,2)D,SK(TC); REF(L,1)>A &&SKVOL>0 ,BP(SKVOL); REF(L,1)0 ,SP(BKVOL);