底部建仓（源码 选股/副图 通达信）

TJ1:=MAX(MAX(MAX(MAX(MAX(MA(C,5),MA(C,10)),MA(C,20)),MA(C,40)),MA(C,60)),MA(C,120));
TJ2:=MIN(MIN(MIN(MIN(MIN(MA(C,5),MA(C,10)),MA(C,20)),MA(C,40)),MA(C,60)),MA(C,120));
A1:=COST(0.02)>=REF(COST(0.02),1);
A2:=BARSLASTCOUNT(A1);
A3:=(TJ1-TJ2)/TJ2*100;
CROSS(C,COST(2.25))&&A2>60&&A3<20;