XA1:=IF(DATE<99999999,1,DRAWNULL);
MXD:=IF((DATETODAY(DATE))<99999999,1,DRAWNULL);
MA20:=MA(C,20)*MXD;
趋势线:=MA(C,6)*XA1,COLORGREEN,LINETHICK2;
大牛:=crOSS(趋势线,MA20)*XA1;
行情开始:大牛;
XA1:=IF(DATE<99999999,1,DRAWNULL);
MXD:=IF((DATETODAY(DATE))<99999999,1,DRAWNULL);
MA20:=MA(C,20)*MXD;
趋势线:=MA(C,6)*XA1,COLORGREEN,LINETHICK2;
大牛:=crOSS(趋势线,MA20)*XA1;
行情开始:大牛;