The fund has no concept of down limit. Only the concept of ups and downs.

When a fund invests in a stock, the stock has a limit. The so-called down limit means that the stock exchange has a down limit, that is, if the stock falls to the highest down limit-10% (or -5%), it is called down limit.

Daily fluctuation of the fund = (net fund value of the day-net fund value of the previous trading day)/net fund value of the previous trading day.

Net fund value = total net asset value of current fund/total fund share.