主力成本:DMA(((2*C+H+L)/4+(2*H+L+C)/4+(2*L+C+H)/4)/3*90,HSL/90)/90,NODRAW; M1:=C/L>1.035; M2:=BARSSINCEN(M1,30); A1:=(MA(C,2)/REF(主力成本,M2)-1)*100; K:SMA(A1,3,1),COLORWHITE; D:SMA(K,3,1),COLORYELLOW; J:K*3-D*2,COLORMAGENTA; DRAWTEXT(CROSS(K,0),K,'上穿主力成本，介入'),COLORMAGENTA; DRAWTEXT(K<-5 AND K=LLV(K,20),K,'长线分批抄底'),COLORMAGENTA; DRAWTEXT(K>0 AND K<15 AND CROSS(K,D),K,'加油'),COLORMAGENTA;