The trend of domestic T-Rina ETF generally follows the trend of overnight Nasdaq index, and the index will not be exactly the same. In addition, due to the time difference, the trend of domestic Nasdaq ETF may be predicted by institutions or retail investors, so the trend may not be exactly the same as the Nasdaq index.
ETF buys a basket of stocks of the index, not all of them. ETF buys most stocks that can represent the index. Even if tracking the same index, ETFs of different funds are different, but they all converge with the tracking index in the end. Temporary inconsistency may also be due to cross-market arbitrage or hedging needs.
In China, the on-site fund of NASDAQ ETF adopts T+0 trading, that is, the NASDAQ ETF bought on the same day can be sold at any time on the same day, and investors can buy and sell NASDAQ ETFs according to the overnight trend of NASDAQ.