RSV:=(C-LLV(LOW,21))/(HHV(HIGH,21)-LLV(LOW,21))*100; K:=SMA(RSV,3,1),COLORWHITE; D:=SMA(K,3,1),COLORYELLOW; J:=3*K-2*D,COLORFF00FF; 抄底:IF(crOSS(K,D) AND D<17,70,0),COLORRED;