Free viewing of the three major American stock futures can generally be directly searched through financial websites, online brokers and search engines. At present, most traditional US stock brokers will have a release delay of 15 minutes, and there are few real-time release platforms in China. Financial websites often have separate pages to provide real-time US stock information. Internet brokers can track the payment behavior and capital flow of traditional brokers. The search engine search box can directly search the real-time market of US stock index futures, and corresponding information will appear.

What are the three major stock index futures in the United States

1. Nasdaq futures: As the name implies, it refers to futures based on the Nasdaq index. The stock indexes in the Nasdaq index system it relies on include Nasdaq Composite Index, Nasdaq 100 Index, Nasdaq Biotechnology Index, Nasdaq Industrial Stock Index and Nasdaq Insurance Stock Index.

2. Dow futures: This kind of futures is the index futures introduced by Chicago Board of Trade, which is called Dow Jones index futures contract. As the name implies, futures are based on the Dow Jones Industrial Average. The stock indexes in the Dow Jones index system include Dow Jones Industrial Average, Dow Jones Transportation Average, Dow Jones Public Utilities Average and Dow Jones Composite Average.

3. Standard & Poor's 500 Index Futures: As the name implies, it is a financial futures with the Standard & Poor's 500 Index as the subject matter. The Standard & Poor's 500 Index consists of 400 industrial stocks, 20 transportation stocks, 40 utility stocks and 40 financial stocks, while the number of composite stocks is exactly 500.