RSV99:=(CLOSE-LLV(LOW,5))/(HHV(HIGH,5)-LLV(LOW,5))*100; K99:=ma(RSV99,2.5); D99:=MA(K99,2.5); J99:=3*K99-2*D99; JJ99:=J99<20; 超跌短进:REF(J99,1)<20 AND EMA(C,20)>REF(EMA(C,20),1) AND NOT(JJ99);