The Truth about Stock Index Futures Strategies: From "Falling Before Dawn" to a Replicable Trading System
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The following is the full transcript of Wallstreetcn's October 17 interview with Zhao Xinyi:
What stock index futures strategies seem correct but often "go wrong"?
Zhao Xinyi: Many people like to use the mean-reversion valuation strategy—when the valuation is high, they reduce positions; when it’s low, they increase positions, expecting prices to return to the historical mean. But reality is not so ideal: overvalued can become more overvalued, undervalued can become more undervalued.
For example, this year since July, the A50 index has continued to rise, and STAR 50, GEM index and other leading growth sectors have shown outstanding growth. From a valuation percentile view, these indices have long been high, but valuations continue to rise.
If investors go short too early, or take on heavy positions based on the logic of "valuations are too high and should correct," they could fall right before dawn. This reminds us—the strategy isn't wrong, but position sizing and capital pacing are equally key.
Which stock index futures strategies are more effective in the current market environment?
Zhao Xinyi: Judging from the first half of this year, market-neutral strategies have been relatively more effective. The core is to use stock index futures as hedging tools to resist systematic risk (β), so that the true stock selection ability (α) in the portfolio is reflected. Since this year, microcap indexes have performed well, and quantitative neutral strategies have achieved a good balance of risk and return with the help of stock index futures.
Specifically, neutral strategies usually hold a basket of stocks, while using stock index futures to conduct equivalent or dynamically adjusted hedging, eliminating systematic risk from overall market volatility and only retaining the excess returns from stock picking. In this process, the manager’s ability to manage basis is crucial. For example, from February to May this year, the basis of the four main index futures continued to expand, requiring neutral strategy managers to constantly adjust their positions to maintain the hedging effect. In June, the basis rapidly narrowed, and the "long replacement" strategy appeared in the market, obtaining additional returns through the convergence of discount.
Therefore, in the current market environment, using stock index futures is not only a means of risk hedging, but also a test of the manager's mastery over basis changes and position management. Whoever can manage these two more flexibly will be able to showcase strategy advantages more steadily in a volatile market.
Will hedging strategies "eat into" returns?
Zhao Xinyi: The core of this question is really about the investor and manager’s self-awareness of risk and return objectives. First, you must clarify how much risk you can bear, what level of returns you expect, and the positioning of the product strategy. For different strategies, the degree of hedging and return expectations will vary significantly.
For example, the goal of a neutral strategy is to obtain absolute α returns, so it tries to hedge away the market systematic risk β as much as possible. It pursues stability and is not aimed at outperforming the index. In contrast, index enhancement strategies managers tend to maintain index exposure while using stock index futures and other tools to do a certain degree of enhancement operations. Since stock index futures have leverage, positions should not be too heavy, and overall return volatility will naturally be larger.
So, hedging does not weaken returns, but is a balance between risk and return. The final level of return depends on how the manager and investors define the product’s goals—whether to pursue steadfast absolute returns, or to add extra returns on top of the index.
What is the difference between this course and other market courses?
Zhao Xinyi: There are many courses on stock index futures on the market. Some focus on explaining particular strategies or technical indicators, some pay more attention to research frameworks and methodologies. These are all important and will be included in our course, too. However, the real core difference is in the way it is presented.
The biggest highlight of this course is guiding investors to review the actual performance of strategies through real market case studies. We hope everyone will be able to immerse themselves in understanding the logic and application scenarios of strategies, see the successes, failures, and experiences of different strategies in various market environments through the cases, and thus build a better investment framework and judgment system for themselves.
Want to understand the logic of stock index futures strategies and their practical applications more systematically? We will share this in the masterclass on November 1 in Shanghai. Interested friends can click the image below to register.
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