R:=(CLOSE-LLV(LOW,20))/(HHV(HIGH,20)-LLV(LOW,20))*400-200;
牛头:MA(R,2),COLORRED,LINETHICK1;
本线:MA(D,1),COLORYELLOW ,LINETHICK1;
DRAWBAND(牛头,RGB(255,0,0),本线,RGB(0,150,0));
NOTEXT牛头:MA(R,2),COLORRED,LINETHICK1;
NOTEX本线:MA(D,1),COLORYELLOW ,LINETHICK1;
快炒线:MA(牛头,2),COLORBLUE;
STICKLINE(V>0,0,0,5,0),COLORGREEN;
STICKLINE(V>-100,-100,-100,5,0),COLORRED;
DRAWTEXT(CROSS(牛头,本线),牛头-100,'抓牛头'),COLORGREEN;