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以下是通达信净量换手副图公式源码（无源码的请下载附件导入）
N:=5;
K1:=IF(CLOSE>=REF(CLOSE,1),HIGH-OPEN+CLOSE-LOW+CLOSE-REF(CLOSE,1),HIGH-OPEN+CLOSE-LOW);
K2:=IF(CLOSE<=REF(CLOSE,1),OPEN-LOW+HIGH-CLOSE+REF(CLOSE,1)-CLOSE,OPEN-LOW+HIGH-CLOSE);
DT:=VOL*K1/(K1+K2);
KT:=VOL-DT;
买量:SUM(DT,N),COLOR0000FF;
卖量:-SUM(KT,N),COLORFFFF00;
进出量:买量+卖量,POINTDOT,COLOR00FFFF;
净量换手:100*进出量/CAPITAL,POINTDOT,COLOR00FF33;
STICKLINE(进出量>=0,0,进出量,6,1),COLOR0000FF;
STICKLINE(进出量<0,0,进出量,6,1),COLORFFFF00;
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