通达信均线买入预警

编写要求：

源码 MA1:MA(CLOSE,M1); MA2:MA(CLOSE,M2); MA3:MA(CLOSE,M3); MA4:MA(CLOSE,M4);MA5:=MA(C,5),COLORFF00FF,LINETHICK2; MAA10:=MA(C,10); MAA30:MA(C,30),COLORRED; KS:IF(MAA10>MAA30,MAA10,MAA30),COLORBLUE; A3:=(C-LLV(L,9))/(HHV(H,9)-LLV(L,9))*100; A4:=SMA(A3,3,1); A5:=SMA(A4,3,1); A6:=3*A4-2*A5; A7:=C-REF(C,1); A8:=100*EMA(EMA(A7,6),6)/EMA(EMA(ABS(A7),6),6); 买:=LLV(A8,2)=LLV(A8,7) AND COUNT(A8<0,2) AND CROSS(A8,MA(A8,2)); DRAWTEXT(FILTER(买=1,5),LOW-0.05,'↖买进'),COLORYELLOW; STICKLINE(买,OPEN,CLOSE,2,0),COLORYELLOW;

解答：

?A3:=(C-LLV(L,9))/(HHV(H,9)-LLV(L,9))*100;

A4:=SMA(A3,3,1);