文华财经期货指标公式源码期货超短线指标

/* 低保留YXA:=IF(局部低点预选C=-1 AND REF(距前高天YA,1)>REF(距前低天YA,1) AND LLV(L,距前高天YA+1)<REF(LLV(L,距前高天YA+1),1)