来源：Internet，编辑：股旁网，2017-04-14
N:=21; M1:=3; M2:=3; RSV:=(CLOSE-LLV(LOW,N))/(HHV(HIGH,N)-LLV(LOW,N))*100; K:SMA(RSV,M1,1),colorwhite; D:Sma(K,M2,1),coloryellow; J:3*K-2*D,colorff00ff
