通达信自用RSI（副图贴图）未加密选股指标公式源码

强势股支撑线:40,COLORWHITE;
弱股支撑线:30,COLORRED;
强势股压力线:70,COLORLICYAN;
弱股压力线:60,COLOR00FF00;
LC:=REF(CLOSE,1);
RSI:Sma(MAX(CLOSE-LC,0),14,1)/SMA(Abs(CLOSE-LC),14,1)*100,LINETHICK2,COLORFFFFFF;
IF(RSI>REF(RSI,1),RSI,DRAWNULL),LINETHICK2,COLORWHITE;