Hello, fair value gains and losses measure the floating gains and losses of tradable financial assets such as unsold stocks with the change of market prices. Its large proportion shows that most of the fund's losses come from the decline in the market price of holding assets, which shows that most funds chose the strategy of holding still under the situation that the stock index fell sharply in the first half of the year. Although this figure is not an actual loss, it represents a market value of the current fund assets, and it is the gain and loss obtained by realizing the fund assets at the current time, which can be said to be an objective measure.