The daily limit of graded funds is due to the simple merger mechanism of graded funds. In the case that there is no arbitrage space, the average market price of graded funds should be the average of parent funds.
When the cash flow of Class A shares is close to perpetual bonds, its pricing is relatively easy. Many active varieties are priced according to the yield of about 6.8%, so there will be ups and downs.
The reason for the daily limit of game ETF funds may be that the A-share game sector rose strongly, and the hot money lacking stock chips madly bought the game ETF (transactional index fund) traded in the intraday trading, which made the three game ETF funds daily limit.