macd面积

DIFF := EMA(CLOSE,12) - EMA(CLOSE,26);
DEA  := EMA(DIFF,9);
MACD := 2*(DIFF-DEA), COLORSTICK;
BV:=SUM(MACD,0);
BA:=IF(MAX(BV,REF(BV,2))<REF(BV,1) OR MIN(BV,REF(BV,2))>REF(BV,1),1,0);
BC:=BARSLAST(BA)+1;
SMACD:BV-REF(BV,BC),COLORSTICK;