請高手編寫壹個股市公式指標

A1:MA(C,N1);

A2:MA(C,N2);

A3:MA(C,N3);

B1:=CROSS(C,A1);

DRAWTEXT(B1,L*0.95,'第壹次加倉');

B2:=CROSS(C,A2);

DRAWTEXT(B2,L*0.95,'第二次加倉');

B3:=CROSS(C,A3);

DRAWTEXT(B3,L*0.95,'第三次加倉');

C1:=CROSS(A1,C);

DRAWTEXT(C1,L*0.95,'第壹次減倉');

DRAWTEXT(C1,L*0.9,'撤離');

C2:=CROSS(A2,C);

DRAWTEXT(C2,L*0.95,'第二次減倉');

C3:=CROSS(A3,C);

DRAWTEXT(C3,L*0.95,'第三次減倉');

最上面的N1-N2-N3後面參數代表均線天數，可以按妳意圖隨便改動。祝好運。