通达信底部探底长下影k线选股指标公式

N1:=9;
N2:=14;
LC := REF(CLOSE,1);
rsi1:=SMA(MAX(CLOSE-LC,0),N1,1)/SMA(Abs(CLOSE-LC),N1,1)*100;
RSI2:=SMA(MAX(CLOSE-LC,0),N2,1)/SMA(ABS(CLOSE-LC),N2,1)*100;
RSI2<20;