Core Viewpoint - International stock index futures are an important component of the financial market, providing investors with a tool to participate in global stock market trading while having unique trading rules and market characteristics [1] Group 1: Trading Rules - T+0 trading allows investors to buy and sell on the same day without restrictions on the number of transactions, contrasting with T+1 where purchases can only be sold the next day [3] - Stock index futures allow for two-way trading, enabling investors to profit from both rising and falling markets [4] - Margin trading requires only sufficient margin to engage in stock index futures trading [5] - Leverage trading allows for investment amounts that are multiples of the original amount, with the potential for high returns or losses, with platforms like Doo Prime offering leverage up to 500 times [6] - Cash settlement occurs at expiration, where the settlement price is the arithmetic average of the index over the last two hours of trading on the final trading day [7] - Trading instructions include market orders and limit orders, allowing investors to execute trades under different price and condition scenarios [8] - Daily settlement is required in margin trading, calculating profits and losses based on the closing price of held contracts [9] - Trading hours vary by country or region, typically including three phases with breaks in between, which can impose limitations [10] - Each international stock index futures contract has specific specifications, including contract size and minimum price fluctuation units, which investors must understand for accurate and compliant trading [11] - The price limit system restricts the maximum price fluctuation range each day to prevent excessive market volatility [12]