红柱是买入量，蓝柱卖出量，中间的白柱是买卖差。注意黄线的走势趋势。
使用时请结合其他技术指标、成交量、大盘走势等多因素进行综合判断。

WJ:=(HIGH+LOW+CLOSE)/3;
V1:=IF(HIGH=LOW,1,HIGH-MAX(OPEN,CLOSE));
V2:=IF(HIGH=LOW,1,MAX(CLOSE,OPEN)-WJ);
V3:=IF(HIGH=LOW,1,MIN(OPEN,CLOSE)-LOW);
V4:=IF(HIGH=LOW,1,WJ-MIN(CLOSE,OPEN));
V5:=VOL/IF(HIGH=LOW,4,HIGH-LOW);
V6:=(V1*V5);
V7:=(V2*V5);
V8:=(V3*V5);
V9:=(V4*V5);
买入量:(V9+V8),STICK,LINETHICK3,colorred;
卖出量:-(V6+V7),STICK,LINETHICK3,colorblue;
买卖差:(V9+V8)-(V6+V7),colorwhite,STICK,LINETHICK3;
日差占流通盘比:买卖差/CAPITAL*100,COLOR0099FF,POINTDOT;
买卖总差:SUM(买卖差,60),coloryellow,LINETHICK2;