A18:="kdj.D"; A20:=REF(CLOSE,1); A21:=((SMA((maX((CLOSE - A20),0)),6,1)) / (SMA(Abs((CLOSE - A20)),6,1))) * 100; A24:=(((CLOSE - cyc(13)) / CYC(13)) * 100) ; 大底:((A24 < -24) AND (A21 < 20)) AND (A18 < 20);