K:EMA((ema(CLOSE,3)-ema(LLV(LOW,54),9))/(ema(HHV(HIGH,54),9)-ema(LLV(LOW,54),9))*100,5); D:=EMA(K,5); J:=3*K-2*D; LK:ema(LLV(K,54),5),COLORMAGENTA,DOTLINE; DRAWTEXT(CROSS(K,LK)AND EXIST(J<=0,7),REF(K,1)*0.95,'底'),COLORYELLOW;