A2:=BARSLAST(REF(CROSS("KDJ.K","KDJ.D"),1));B2:=REF(C,A2+1)> C AND REF("KDJ.K",A2+1)<"KDJ.K" AND CROSS("KDJ.K","KDJ.D"); K底:B2> 0;九毛八公式解读 A2赋值:上次1日前的"KDJ的K"上穿"KDJ的D"距今天数 B2赋值:A2+1日前的收盘价> 收盘价 AND A2+1日前的"KDJ的K"<"KDJ的K" AND "KDJ的K"上穿"KDJ的D" 输出K底:B2> 0