股指期货基差分析之年化对冲成本

Report Summary 1. Report Industry Investment Rating No relevant content provided. 2. Core Viewpoints - Since 2020, the annualized hedging costs of stock index futures for the three major stock indices (SSE 50, CSI 300, and CSI 500) have been more significantly affected by stock dividends, especially on the expiration date [2]. - The hedging costs of the far - season contracts of SSE 50 and CSI 300 stock index futures have long been stable around zero, and are slightly higher than the break - even point in most periods. The cost of the far - season contracts of CSI 500 stock index futures also fluctuates around zero, and before 2023, it was overall superior to the contracts of SSE 50 and CSI 300 in terms of return performance, showing relatively better cost - return characteristics [2]. - Based on the prediction for the fourth quarter of 2025, under the current market structure, preferentially allocating hedging tools represented by IC stock index futures may be a better choice for constructing market - neutral strategies [2]. 3. Summary According to the Table of Contents 3.1. Introduction - In the practice of the stock market - neutral strategy, although the hedging means of the strategy portfolio have been significantly enriched, stock index futures are still the core hedging tool for constructing market - neutral exposure. The basis structure of stock index futures directly determines the hedging cost of the neutral strategy and affects the final return performance [6]. - The basis of stock index futures can be decomposed into three core driving dimensions: the cost dimension from the time value of funds, the cash - flow dimension from index component stock dividends during the period, and the sentiment and expectation dimension reflecting the balance of market long - and short - side forces. The model is simplified to: Futures price - Index price = Corrected basis - Index dividends during the period [6]. 3.2. Dividend Situations of the Three Major Index Component Stocks 3.2.1. Dividend Point Indices of the Three Major Stock Indices - The dividend behavior of the three major index component stocks has significant seasonal characteristics, with dividend payments highly concentrated from April to September each year, peaking from June to August, especially from June to July [8][12]. - Compared with the market practice before 2020, in recent years, the phenomenon of the three major index component stocks paying dividends in the fourth quarter has increased. Since 2023, the A - share market dividend pattern has shown three new trends: year - end dividends, postponed dividend dates for some companies, and a deeper impact of dividend behavior on stock index and derivatives pricing [9][12]. 3.2.2. Dividend Yield Situations of the Three Major Stock Indices - The dividend yields of the SSE 50 and CSI 300 indices showed a "V - shaped" trend of first decreasing and then increasing from 2020 to 2024, which is related to the market adjustment from the end of 2023 to the beginning of 2024. The dividend yield center of the CSI 500 index has shifted down compared with the level before 2020 [13][15]. - The average annual dividend yields of the SSE 50 and CSI 300 indices, representing large - cap blue - chip stocks, are stable in the range of 2% - 3%, while the average dividend yield of the CSI 500 index, representing small - and medium - cap stocks, is relatively low. The dividends from June to July have a significant impact on futures pricing and basis structure [15][16]. 3.3. Annualized Hedging Costs of the Three Major Stock Index Futures 3.3.1. Estimation of Historical Data of Annualized Hedging Costs of the Three Major Stock Index Futures - A simplified model is used to estimate the dividend points of index component stocks and calculate the corrected basis. The annualized hedging costs of the near - month, far - month, near - season, and far - season contracts of the three major stock index futures in the past three years are calculated [18][20]. - The hedging costs of the far - season contracts of SSE 50 and CSI 300 stock index futures are long - term stable around zero and slightly higher than the break - even point, with low historical average hedging costs. Before 2023, the far - season contracts of CSI 500 stock index futures were overall superior to those of SSE 50 and CSI 300 in terms of return performance [20]. - The annualized hedging cost of near - month contracts may show significant peaks, indicating that the basis of stock index futures contracts may fluctuate extremely (deep premium or discount) when approaching the expiration date, which affects the actual cost of roll - over operations and strategy returns [26]. 3.3.2. Prediction of the Performance of Annualized Hedging Costs of the Three Major Stock Index Futures in the Fourth Quarter - From the fourth quarter of 2025 to the beginning of 2026, the impact of dividends on the basis of stock index futures and hedging strategies has weakened. The hedging costs of the current IC and IF main contracts are generally positive, providing a favorable window for market - neutral strategies [27][28]. - Based on the closing data on September 22, 2025, the overall hedging costs of the three major stock index futures are relatively low. After considering dividends, most of the hedging costs of IC and IF contracts are positive, especially for IC near - month and far - month contracts. The hedging costs of IH contracts are relatively high and even negative after considering dividends [29][30]. - Currently, market - neutral strategies using IC or IF futures contracts for hedging have relative advantages. IC near - season main contracts have lower hedging costs, while IF far - season contracts have more obvious cost advantages. IH contracts have relatively low cost - performance. Therefore, preferentially allocating hedging tools represented by IC stock index futures may be a better choice [30][31].