通达信判断牛熊市的绝佳利器公式

源码：

WMID:MA(C,90),colorff8800,LINETHICK2;
 WUP:WMID + 2*STD(CLOSE,90),pointdot,color338899;
 WLOW:WMID - 2*STD(CLOSE,90),color994444,pointdot;

STICKLINE(C,WUP,WMID,0.8,0),color333388;
 STICKLINE(C,WMID,WLOW,0.8,0),color883333;
 STICKLINE(wmid,wmid,wmid,0.8,0),COLOr000000;

MID:MA(CLOSE,20),colorwhite;
 UPPER:MID + 2*STD(CLOSE,20),coloryellow;
 LOWER:MID - 2*STD(CLOSE,20),colorff00ff;
 STICKLINE(close>=open,open,close,5,1),colorred;
 ST