Group 1 - The core concept of stock index futures trading involves understanding specific rules and processes, which is essential for rational participation [1] - The first step in trading stock index futures is account opening, requiring investors to meet certain conditions such as capital thresholds and risk assessments [1] - Familiarity with contract elements, including the underlying index, contract multiplier, and expiration date, is crucial for accurately calculating profits and losses [1] Group 2 - The order placement process for stock index futures follows standardized steps, allowing investors to buy or sell contracts through trading software [2] - Risk control principles must be adhered to, including setting stop-loss and take-profit points to manage potential losses effectively [2] - Investors should monitor margin adequacy to avoid forced liquidation due to insufficient margin [2] Group 3 - Understanding the settlement system is important, as daily settlements adjust margin balances based on daily profits and losses [4] - Timely closing of expiring contracts or cash settlement is necessary to prevent default situations [4] - Overall, stock index futures trading requires comprehensive knowledge from account opening to risk management to ensure stable participation [4]