TT2:=Dma((((HIGH + LOW) + (CLOSE * 2)) / 4.15),0.9); TT1:=REF(EMA(TT2,3),1); RSV:=(CLOSE-LLV(LOW,9))/(HHV(HIGH,9)-LLV(LOW,9))*100; K:=SMA(RSV,3,1); D:=SMA(K,3,1); J:=3*K-2*D; 买:crOSS(CLOSE,TT1)AND J<55;