?

?來源:程序化99

參考：

?

MID:MA(CLOSE,26);
TMP2:=STD(CLOSE,26);
TOP:MID+2*TMP2;
BOTTOM:MID-2*TMP2;

A:=TOP<REF(TOP,1)&&BOTTOM>REF(BOTTOM,1);//收口
B:=TOP>REF(TOP,1)&&BOTTOM<REF(BOTTOM,1);//張口

DRAWICON(CROSS(A,0.5),H,4);
DRAWICON(CROSS(B,0.5),H,5);