“数”看期货：大模型解读近一周卖方策略一致观点-20250812

Group 1: Stock Index Futures Market Overview - The four major index futures contracts experienced an overall increase last week, with the CSI 1000 index futures rising the most by 2.83%, while the SSE 50 index futures had the smallest increase of 1.09% [3][12] - The average trading volume of the current, next, and seasonal contracts for IF, IC, IH, and IM decreased compared to the previous week, with IF showing the largest decline of 31.55% [3][12] - The annualized basis rates for the current contracts of IF, IC, IM, and IH as of last Friday's close were -3.64%, -11.53%, -12.26%, and -0.34%, respectively, indicating a narrowing of the basis for IF and IM, while IC deepened its discount [3][12] Group 2: Cross-Period Price Differences - As of last Friday's close, the cross-period price difference rates for the current contracts of IF, IC, IM, and IH were at the 68.20%, 83.60%, 73.60%, and 39.80% percentiles since 2019 [4][13] - For arbitrage opportunities, with an annualized return of 5%, the basis rates for the current and next month contracts of IF need to reach 0.33% and -0.48%, respectively, within the next 5 trading days [4][13] Group 3: Dividend Forecasts - After August, the strength of dividends is expected to weaken, but it will still impact the major index futures. The estimated impact of dividends on the main contracts for August is 1.42 for the CSI 300 index, 2.35 for the CSI 500 index, 1.01 for the SSE 50 index, and 0.75 for the CSI 1000 index [5][12][14] Group 4: Market Expectations - The correlation between basis changes and dividend impacts, as well as investor trading sentiment, is high under unchanged index futures trading rules. The return to a discount for the IH main contract indicates a normalization of market expectations for the SSE 50 [5][14] - The overall market sentiment is improving, as indicated by the narrowing basis for IF, IC, and IM contracts, while the macro data remains stable with the July CPI unchanged year-on-year [5][14] Group 5: Recent Sell-Side Strategy Insights - A consensus among 11 brokerages indicates an optimistic outlook for the A-share market, supported by multiple layers or a bull market trend. Additionally, 8 brokerages believe that micro liquidity easing or retail funds entering the market will support the market [6][41] - In terms of industry outlook, there is a consistent positive sentiment towards the financial, non-ferrous metals, and military sectors [6][41][42]