VAR1:=VOL/((HIGH-LOW)*2-ABS(CLOSE-OPEN));
主买:=IF(CLOSE>OPEN,VAR1*(HIGH-LOW),IF(CLOSE<OPEN,VAR1*((HIGH-OPEN)+(CLOSE-LOW)),VOL/2));
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主卖:=IF(CLOSE>OPEN,0-VAR1*((HIGH-CLOSE)+(OPEN-LOW)),IF(CLOSE<OPEN,0-VAR1*(HIGH-LOW),0-VOL/2));
dd:(主买+主卖)/10000,color3d;
DDX1:EMA(DD,60)*60;
DDX2:MA(DDX1,5);
DDX3:MA(DDX1,10);