加一条主买主卖差值趋势线

编写要求：

VOL,VOLSTICK;VAR1:=VOL/((HIGH-LOW)*2-ABS(CLOSE-OPEN));主买:IF(CLOSE>OPEN,VAR1*(HIGH-LOW),IF(CLOSEOPEN,0-VAR1*((HIGH-CLOSE)+(OPEN-LOW)),IF(CLOSE0,VOL,0,4,1),colorwhite;STICKLINE(主买>0,0,主买,4,0),colorred;STICKLINE(主卖<0,0,主卖,4,0),COLOR00FF00; Zero : 0;谢谢老师，祝您天天开心！

解答：