Global AI trading is overly crowded, and overseas funds are quietly shifting towards the Chinese stock market.

Global investors are turning their attention to the Chinese stock derivatives market to seek diversification away from the risk exposure that is overly concentrated in AI trading in South Korea and Japan. Recently, trading desks at several institutions, including Barclays and UBS, have observed a steady increase in client demand for call options and swap contracts linked to China's Shanghai and Shenzhen indices. Meanwhile, an increasing number of strategists are recommending positioning in the Chinese stock market through derivative tools, particularly focusing on small and mid-cap sectors. Market participants believe this trend reflects global concerns over the overvaluation of certain popular themes and an urgent need for diversified sources of returns. BNP Paribas and Bank of America have pointed out that the core logic driving the Chinese stock market includes ongoing capital market reforms that support a slow bull market, accelerated processes for technological self-sufficiency, and improved profit prospects in the hardware sector. UBS, in a recent report, identified the CSI 500 index as an alternative option for global AI investors seeking diversified allocations. With option pricing cooling, the timing for entry is becoming more favorable. The implied volatility of CSI 300 options has fallen back to near its average over the past year, significantly improving the cost-effectiveness of derivative trading. Lars Naeckter, head of Asia-Pacific equity derivatives research at Bank of America, stated, "Now is an ideal time to trade as market sentiment remains cautious." He recommended constructing a bull spread strategy on the CSI 1000, noting, "Compared to directly buying spot or futures, options are more reasonable, especially when pricing is favorable. Catalysts will eventually appear, and positioning in advance of a market rally often costs less than chasing the price after it rises." Multiple institutions' trading desks have observed notable inflows of capital. Barclays reported that its trading desk is seeing sustained client interest in bull spread strategies on domestic indices, with most investors favoring a gradual upward trend rather than betting on a swift surge. Kaanhari Singh, head of Asia-Pacific equity flow derivatives sales at Barclays, pointed out that the excess return trades on the CSI 300 and CSI 500 are similarly attractive compared to recent historical trends. "In recent months, we have seen a growing interest from investors in upward strategies on Chinese A-shares," Singh remarked. "Part of this is due to investors seeking diversified sources of equity returns as the valuations and return expectations of the most crowded themes in global markets come under scrutiny." Records from UBS's sales and trading department on August 30 indicated that the largest capital flows into derivatives in Asia that week came from bullish bets on the Shanghai and Shenzhen indices, including several large long swap applications concentrated on the CSI 300 and CSI 500, as well as upward option structures. The increasing weight of the technology sector is enhancing the attractiveness of Chinese indices. BNP Paribas noted that the ongoing rise in the weight of the technology sector among China's main indices is becoming a key factor in attracting international capital, driven by the government's strong push for technological self-sufficiency. Currently, technology is the heaviest-weighted sector in the CSI 300 index, and its share is also steadily expanding in the mid and small-cap CSI 500 and CSI 1000 indices. Jason Lui, head of Asia-Pacific equity and derivatives strategy at BNP Paribas, stated, "The domestic market in China offers a risk exposure that is entirely different from global AI trading, as China has its independent tech ecosystem, providing a natural diversification complement to global AI trading. The relatively manageable volatility characteristics currently further encourage both domestic and foreign institutional investors to increase medium-term asset allocation." In the U.S. market, last Friday, there were also traders making large purchases of call options on the KraneShares CSI China Internet Fund (KWEB), betting that the fund's price would return to levels seen earlier in the year. This article is reproduced from "Wall Street Insights," author: Zhao Ying, GMTEight editor: Xu Wenqiang.