Chinese authorities have moved to further tighten controls on overseas investment, with several major brokerages reportedly restricting clients from making new investments through cross-border derivative products that have become a popular route for accessing foreign markets.

According to people familiar with the matter cited by Reuters, institutional investors were informed on Tuesday evening that they would no longer be permitted to increase overseas exposure through total return swap (TRS) contracts. Existing positions can still be maintained or gradually reduced, but fresh allocations are no longer being accepted.

The move signals Beijing’s determination to curb capital outflows at a time when domestic investors are increasingly seeking opportunities outside China’s slowing economy and volatile local stock markets.

The restrictions represent the latest step in a broader campaign by regulators to strengthen oversight of cross-border capital movements and preserve financial stability. In February 2024, Chinese authorities already imposed limits on the total volume of overseas investments that could be made through TRS structures. The latest action appears to go further by effectively freezing new investment flows through the channel.

At least four brokerages, including leading state-backed investment bank China International Capital Corporation, have reportedly implemented the restrictions this week. CICC, one of the largest firms licensed to provide the products, is considered a key player in China’s cross-border derivatives market.

The clampdown comes as Chinese policymakers grapple with a delicate balancing act. The authorities want to support investor confidence and maintain openness to international markets. However, they remain wary of large-scale capital outflows that could place pressure on the yuan, reduce domestic liquidity, and undermine efforts to stabilize China’s financial system.

TRS contracts have emerged as an important tool for Chinese institutional investors seeking exposure to overseas assets without directly purchasing foreign securities. Under the arrangement, investors receive returns linked to offshore stocks or indices while the brokerage technically holds the underlying assets.

The structure allows investors to bypass some of the limitations associated with China’s tightly controlled capital account.

This year, many onshore hedge funds, private funds, and institutional investors have used the products to gain exposure to surging overseas technology stocks, particularly semiconductor and artificial intelligence companies. Strong rallies in U.S. and global tech shares have attracted Chinese investors seeking returns that have often been difficult to find in domestic markets.

The restrictions were issued amid the growing divergence between Chinese and foreign equity markets. While Chinese authorities have been working to revive confidence in local markets through stimulus measures and regulatory support, many investors have continued to favor overseas assets, especially U.S. technology companies benefiting from the global AI boom.

Analysts say the latest move points to Beijing’s broader concern about persistent capital outflows. Chinese households, corporations, and institutional investors have increasingly diversified assets abroad in recent years amid concerns over economic growth, property sector weakness, and geopolitical uncertainty.

But the restrictions may also have implications for global markets. Chinese institutional money has become an important source of demand for international equities, particularly technology stocks. Limiting access through TRS products could reduce the pace of new Chinese capital flowing into offshore markets, especially into sectors that have been major beneficiaries of global AI enthusiasm.

At the same time, the measure reinforces a recurring theme in China’s financial policy: authorities remain willing to sacrifice some investment flexibility and market liberalization when they believe capital controls are necessary to safeguard financial stability and currency management.

For investors, the development brings to the fore once again that regulatory risk remains a defining feature of China’s financial landscape. Even as Beijing seeks to deepen capital market reforms and attract foreign investment, it continues to maintain tight control over how domestic money moves beyond its borders.

The latest restrictions suggest that policymakers are becoming increasingly cautious about the scale of outbound investment flows, particularly as Chinese investors continue to chase stronger returns in overseas technology and semiconductor markets.