1. Financial websites and news platforms: Many financial websites and news platforms, such as Bloomberg, Reuters and YahooFinance, provide real-time financial data, including the US stock futures index. You can visit the official websites of these platforms or view relevant information on their mobile applications.
2. Stock and futures trading software: If you use stock or futures trading software, such as TradingView and MetaTrader, these softwares usually provide real-time data and charts of the US stock and futures index. You can search the corresponding futures contract codes in the software, such as "es" (Standard & Poor's 500 Mini Index Futures) and "NQ" (Nasdaq 100 Index Futures) to view the corresponding index information.
3. Professional data providers: There are also some professional data providers, such as FactSet and Morningstar, which will also provide us with stock futures index data. These providers usually provide detailed data and analysis tools, but may need to pay a subscription.
Please note that when viewing the American stock futures index, you need to know the fundamental information of relevant futures contracts, such as contract size, expiration date, trading time, etc. At the same time, futures trading has certain risks. Before trading, please make sure that you fully understand the risks and seek professional advice if necessary.