飞狐成交量boll指标公式

n:=24;
量:vol/10000,COLORYELLOW,volSTICK;
MID:MA(量,N);
UPPER:MID+1*STD(量,N),colorYELLOW;
UPPER1:MID+2*STD(量,n),POINTDOT,colorYELLOW;
LOWER:MID-1*STD(量,N),colorEE11EE;
LOWER1:MID-2*STD(量,n),colorgreen;
比上:量/UPPER1,linethick0;
比下:量/LOWER1,linethick0;
drawicon(cross(量,UPPER1) and cdrawicon(量ref(c,1),MID,12);

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