MA(C,9),LINETHICK2,COLORYELLOW;
MA(C,21),LINETHICK2,COLORRED;
IF(MA(C,9)<REF(MA(C,9),1),MA(C,9),DRAWNULL),LINETHICK2,COLORBLUE;
IF(MA(C,21)<REF(MA(C,21),1),MA(C,21),DRAWNULL),LINETHICK2,COLORGREEN;
DIFF:=EMA(DCLOSE,12)-EMA(DCLOSE,26);
DEA:=EMA(DIFF,9);
MACD:=(DIFF-DEA)*2;
MACD_HHV:=HHV(MACD,4);
MACD_REF1:=REF(MACD,1);
MACD_REF2:=REF(MACD,2);
MACD_REF3:=REF(MACD,3);
VAR1:=MACD_HHV<0 AND MACD>MACD_REF1 AND MACD_REF1<MACD_REF2 AND MACD_REF2<MACD_REF3;
DRAWTEXT(VAR1,L*0.98,'★短买'),COLORYELLOW;
DRAWTEXT(CROSS(MA(C,3),MA(C,9)) AND C>=REF(C,1) AND C>O,L*0.98,'★加仓'),COLORMAGENTA;
