短期:=100*(C-LLV(L,5))/(HHV(C,5)-LLV(L,5)); 中期:=100*(C-LLV(L,10))/(HHV(C,10)-LLV(L,10)); 中长期:=100*(C-LLV(L,20))/(HHV(C,20)-LLV(L,20)); 长期:=100*(C-LLV(L,30))/(HHV(C,30)-LLV(L,30)); 超跌选股:=(短期<4 AND 中期<=4 AND 中长期<=4 AND 长期<=4); 超跌选股;
