黑马KDJ,简单有效经典公式 LOWV:=EMA(LLV(LOW,34),3); HIGHV:=EMA(HHV(HIGH,34),3); RSV:=EMA((CLOSE-LOWV)/(HIGHV-LOWV)*100,3); K:SMA(RSV,8,1); D:SMA(K,6,1); J:3*K-2*D; 100,COLORWHITE,LINETHICK1; 0,COLORWHITE,LINETHICK1; STICKLINE(CROSS(J,K) AND CROSS(J,D) AND CROSS(K,D) AND J 20,10,20,2,0);