“数”看期货：大模型解读近一周卖方策略一致观点-20250930

• The report discusses the overall performance of the four major stock index futures, with the CSI 500 futures showing the largest increase of 3.83% and the SSE 50 futures showing the smallest increase of 1.00%[3] - The average trading volume of the four major index futures contracts decreased compared to the previous week, with the IH futures showing the largest decrease of -24.59% and the IC futures showing the smallest decrease of -5.41%[3] - The basis levels for the IF, IC, IM, and IH contracts are provided, with the IF and IM discounts deepening, the IC discount narrowing, and the IH discount turning into a premium[3] - The cross-period spread rates for the IF, IC, IM, and IH contracts are given, with the IF, IC, IM, and IH contracts' cross-period spread rates being at the 45.80%, 49.70%, 60.20%, and 40.00% percentiles since 2019, respectively[3] - The report mentions that there are no opportunities for positive or negative arbitrage in the IF main contract based on the closing prices[4] - The dividend forecast indicates that the dividends for the main contracts of the four major index futures have minimal impact on the September main contracts' points[4] - The market sentiment has improved, with the IH basis turning from a discount to a premium and the total open interest of the four major index futures increasing, with the IC showing the most significant increase[4][13] - The report includes a detailed explanation of the calculation methods for index futures arbitrage, including the formulas for positive and negative arbitrage returns[46] - The dividend estimation method is explained, which involves predicting the dividend points based on historical dividend patterns and the current EPS and payout ratio[47][48]