分时主力:当天强弱分明,好好观察,强势股一般只回调到MA17,最多回调到MA50
OBV:SUM(IF(CLOSE>REF(CLOSE,1),VOL,IF(CLOSE<REF(CLOSE,1),-VOL,0)),0);
ma453:ema(OBV,453),colorff00ff,linethick2;
ma17:ema(OBV,17),colorgreen;
ma50:ema(OBV,50),colorred;
DRAWTEXT(cross(ma50,ma17) ,ma50,'主力出逃'),linethick3,color00ff00;
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