According to the Notice on the Increase and Decrease Ratio of Funds Related to Science and Technology Innovation Board (hereinafter referred to as the Notice), the increase and decrease ratio of the following funds listed and traded in this Exchange is 20%:

(1) The constituent stocks are only trading-type open-end index funds and index-type listed open-end funds of science and technology innovation board stocks or other stocks with a rise and fall ratio of 20%.

(2) According to the fund contract, the fund assets invested in science and technology innovation board stocks or other stocks with a 20% increase or decrease ratio account for no less than 80% of the non-cash fund assets.

So science and technology innovation board ETF is up and down 20%.