X_1:=14; 中轨:SMA(HHV(HIGH,X_1)-(HHV(HIGH,X_1)-LLV(LOW,X_1))/2,3,1),COLORMAGENTA; 牛奔线:50*(0.015*AVEDEV(CLOSE,X_1))+中轨,DOTLINE; 上轨:100*(0.015*AVEDEV(CLOSE,X_1))+中轨,COLORMAGENTA; 下轨:(-100)*(0.015*AVEDEV(CLOSE,X_1))+中轨,COLORMAGENTA;