RSV:=(CLOSE-LLV(LOW,9))/(HHV(HIGH,9)-LLV(LOW,9))*100; K:=SMA(RSV,9,3),COLORYELLOW; D:=Sma(K,9,3),COLORWHITE; J:=3*K-2*D,COLORMAGENTA; DJ:=crOSS(J,D) AND D<20; 低金叉共振:DJ;