博易大師boll中軌上K線紅包中軌下K線綠色

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MID :  MA(CLOSE,N);

UPPER: MID + P*STD(CLOSE,N);

LOWER: MID - P*STD(CLOSE,N);

STICKLINE(MID>=L,O,C,4,0),COLOR00FF00;

STICKLINE(MID<L,O,C,4,0),COLOR0000FF;