US stocks are t+0 trading system, and can be bought and sold at any time on trading days. The so-called T+0 T refers to the date of stock trading. Any trading system that handles the clearing and delivery procedures of stocks and prices on the day of stock trading is called T+0 trading. Generally speaking, stocks bought on the same day can be sold on the same day. That is to say, under the condition of "T+0" circular trading, the trading day for investors to declare selling is not limited after they declare buying stocks and confirm trading. Investors can either sell the stocks they bought on the same day or buy the stocks on the same day with the funds returned from selling the stocks on the same day. "T+0" circular trading can reduce the risk of investors' positions and enhance the liquidity of stocks.

Trading hours: Monday to Friday, 9: 30- 16: 00 EST, domestic time: China 265438+DST 0:30-4:00, non-DST 22:30-5:00.

Limit price: There is no price limit. The original unit of price fluctuation was $65,438+0/65,438+06, but now it is mostly changed to decimal (the minimum is 65,438+0 cents).

Account opening procedures: You only need to open a securities account to buy and sell US stocks, and this securities account also has the function of a bank account. If you deposit money in this account but don't buy stocks, the broker will pay you interest, but will deduct the tax of 10%. If you want to be tax-free, you can choose to transfer short-term funds automatically, and the brokers will make profits for you.