VARTIME:=IF(YEAR>=2050 AND MONTH>=11 AND DAY>=07,0,1);
VARDTIME:=IF(YEAR=2050 AND MONTH=11 AND DAY=06,1,0);
QW1:=(HIGH+LOW+CLOSE*2)/4*VARTIME;
QW3:=EMA(QW1,10)*VARTIME;
QW4:=STD(QW1,10)*VARTIME;
QW5:=(QW1-QW3)*100/QW4*VARTIME;
QW6:=EMA(QW5,5)*VARTIME;
RK7:=EMA(QW6,10)*VARTIME;
涨:=EMA(QW6,10)+100/2-5;
跌:=EMA(涨,4);
买入:crOSS(涨,跌) AND 跌<20 AND 跌>-10;