ma20:=MA(C,20);A2:=REF(MA20,1);J1:=(MA20-A2)/A2*100;MJ1:=MA(J1,3);MA55:=MA(C,60);买入:crOSS("kdj.K"(5,2,3),"kdJ.D"(5,2,3)) AND "KDJ.D"(5,2,3)<30AND J1>MJ1 AND MA55>REF(MA55,1) AND COUNT(J1<1,3)>=1;