N:=38;
 N1:=8;
 N2:=3;
 N3:=10;
 PW:=VOL*(CLOSE-OPEN)/(CLOSE+OPEN);
 PW1:=EMA(VOL*(CLOSE-OPEN)/(CLOSE+OPEN),N);
 ME:=EMA(PW1,N1);
 ME1:=MA(ME,N2);
 ME2:=MA(ME,N3);
 MA5:=MA(CLOSE,5);
 MA10:=MA(CLOSE,10);
 MA30:=MA(CLOSE,30);
 ZX:=(MA5+MA10)/2;
 QSXS:=MA5>=MA30 AND MA30>REF(MA30,1);
 GD:=ZX>=REF(ZX,1) AND REF(ZX,1)<REF(ZX,2);
 YB:=CLOSE>REF((OPEN-CLOSE)/2+CLOSE,2);
买:=CROSS(CLOSE,ZX) AND (GD OR YB) AND QSXS;
买入易涨停:=买 AND MA5>REF(MA5,1);
 XG:CROSS(ME,ME1) AND (CLOSE>OPEN AND (CLOSE-OPEN)/REF(CLOSE,1)*100>1.5);