M10:=MA(vol,10),colorgreen;
中线趋势20:MA(VOL,20),colorwhite,linethick3;
上轨:中线趋势20+2*STD(VOL,20),colorred,linethick2;
下轨:中线趋势20-2*STD(VOL,20),colorgreen,linethick2;
STICKLINE(C>=O,0,VOL,8,0),colorred;
STICKLINE(C<O,0,VOL,8,0),colorgreen;
DRAWICON(VOL>上轨,100,24);
