The rise and fall of the fund is determined by the investment target. The investment target goes up, the investment target goes down, and the on-site turnover may be the sharp drop of the investment target that day.

The conversion between on-site and off-site is often used in arbitrage trading. If the on-site price is lower than that off-site, buy it on-site first, and then redeem it off-site to earn the price difference. If the off-site price is lower than the off-site, buy it off-site first and then sell it off-site.