N:=30;
 MA30:=MA(C,40);

上轨:= MA30+STD(CLOSE,N);
下轨:= MA30-STD(CLOSE,N);
中轨:=MA(CLOSE,26);
上极限:=(中轨+2*STD(CLOSE,20));
上轨买:=if(cross(c,上轨),5,0);

上极限买:=if(cross(c,上极限),5,0);
下极限:=(中轨-2*STD(CLOSE,20));

{黄色短买}
VAR1:=(CLOSE>REF(CLOSE,1) AND CLOSE>REF(CLOSE,2));
 VARD:=(CLOSE  VARE:=(REF(VARD,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2));
 VARF:=(REF(VARE,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2));
 VAR10:=(REF(VARF,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2));
 VAR11:=(REF(VAR10,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2));
 VAR12:=(REF(VAR11,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2));
 VAR13:=(REF(VAR12,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2));
 VAR14:=(REF(VAR13,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2));
 VAR15:=(REF(VAR14,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2));
 VAR16:=(REF(VAR15,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2));
 VAR17:=(REF(VAR16,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2));
 VAR18:=(REF(VAR17,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2));
 VAR19:=((REF(VARD OR VARE OR VARF OR VAR10 OR VAR11 OR VAR12 OR VAR13 OR VAR14 OR VAR15 OR VAR16 OR VAR17 OR VAR18,1)) AND VAR1);
上轨短买:if(VAR19