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{用于通達信軟件選股}

RSV:=(CLOSE-LLV(LOW,18))/(HHV(HIGH,18)-LLV(LOW,18))*100;

K:=SMA(RSV,9,1);

D:=SMA(K,3,1);

趨勢J1:=3*K-2*D;

趨勢J2:=EMA(K,3);

WH:=DRAWLINE(D>=HHV(D,21),D,D<=LLV(D,21),D,1);

CROSS(趨勢J1,WH) AND CROSS(趨勢J2,WH);