t1:=c>o and c/ref(c,1)<1.05;t2:=v/capital*100<10 and v<ref(v,1);diff:=ema(close,12)-ema(close,26);dea:=ema(diff,9);macd:=2*(diff-dea);t3:=macd>0.5;tx:=t1 and t2 and t3;xg:ex**t(tx,1);
成交量大于3如果理解为今天的成交量是昨天成交量的3倍 成交量大于3:v>ref(v,1)*3;换手率大于3:vol/capital*100>3;流通股本小于10000:finance(7)<100000000; 选股公式:v>ref(v,1)*3 and vol/capital*100>3 and finance(7)<100000000;