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;
DIF:=EMA(DCLOSE,12)-EMA(DCLOSE,26);
DEA:=EMA(DIF,9);
MACD:=(DIF-DEA)*2;
HHV4:=HHV(MACD,4);
REF1:=REF(MACD,1);
REF2:=REF(MACD,2);
REF3:=REF(MACD,3);
VAR1:=HHV4<0 AND MACD>REF1 AND REF1<REF2 AND REF2<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;
