1. Inquire through the trading software of the futures company: the futures company will provide real-time market information, trading data and other information. Investors can check the capital flow of the main contract by logging in the trading software of the futures company, so as to understand the inflow and outflow of the main funds.
2. Inquire through the website of the futures exchange: The futures exchange will release market information and transaction data, including the capital flow of the main contract. Investors can log on to the website of the futures exchange to inquire about the relevant capital flow information.