N1:=5;
N2:=10;
N3:=30;
SHORT:=12;
LONG:=26;
MID:=9;
MA5:=MA(CLOSE,N1),LINETHICK2,COLORRED;
MA10:=MA(CLOSE,N2),LINETHICK2,COLORGREEN;
MA30:=MA(CLOSE,N3),LINETHICK2,COLORBLUE;
DIFF:=EMA(CLOSE,SHORT)-EMA(CLOSE,LONG),COLORWHITE;
DEA:=EMA(DIFF,MID),COLORYELLOW;
macd:=(DIFF-DEA)*2;
BUY1:=crOSS(DIFF,DEA) AND vol>REF(VOL,1);
买:BUY1;
