Hong Kong's IPO boom is developing a performance problem

Hong Kong IPOs are showing broad weakness: about half of the 179 listings since January 2025 have traded lower over the past three months, even as the market led the world in IPO funds raised last year. The underperformance is especially pronounced for Stock Connect names, with more than half of the 33 stocks included on March 9 more than doubling before inclusion and then giving back gains; Deepexi was down 51% as of June 3. The article highlights growing concern in Beijing that sharp post-listing rallies and subsequent selloffs are distorting capital flows and weakening sentiment toward Hong Kong listings, including AI names such as Knowledge Atlas Technology and MiniMax.

Analysis

The key issue is not simply weak post-IPO performance; it is the collapse of the “primary market as price discovery” function in Hong Kong. When a listing can double into inclusion and then mean-revert immediately after, the IPO calendar becomes a short-duration trading product rather than a funding channel, which should compress primary issuance multiples and raise execution risk for bankers, cornerstone investors, and market makers. That dynamic favors issuers with true global scarcity value and penalizes marginal listings, especially in AI and other narrative-driven names where valuation is being set by flow, not fundamentals.

The second-order effect is a likely migration of capital from Hong Kong-facing names into cheaper mainland A-share proxies once Connect access opens. That is negative for Hong Kong H-share liquidity quality because the bid becomes “event-driven and temporary,” while the same economic exposure can be sourced more efficiently onshore. Goldman’s preference for A-shares over H-shares on AI hardware is an important signal: if the market starts treating HK as a staging ground rather than a destination, the underperformance gap could persist for months even if headline IPO volumes stay strong.

There is also a regulatory reflex risk. Beijing’s concern suggests the next phase could involve tighter scrutiny of allocation practices, stabilization activity, or pricing ranges for high-flyer IPOs. That would dampen first-day pops and reduce the ability of hedge funds to monetize inclusion arbitrage, but it may not help long-only holders; instead, it could slow the entire issuance cycle by forcing lower initial pricing and reducing enthusiasm from growth issuers.

Key Decisions for Investors

• Short basket of recently listed Hong Kong AI/tech IPOs that rallied into Connect inclusion; hold 4-8 weeks and cover into any mainland liquidity spike. Risk/reward: asymmetric if flows continue to mean-revert, but size modestly because these names can squeeze violently on retail momentum.
• Long China A-share AI hardware exposure versus short HK H-share AI proxies, using GS’s stated preference as confirmation. Time horizon 1-3 months; thesis is that capital rotates onshore once Connect access opens, and A-shares offer the cleaner expression of the same theme.
• Avoid participating in new Hong Kong IPOs unless pricing is at a clear discount to comparable onshore peers or there is genuine strategic scarcity. For bookrunners and syndicate activity, use wider-than-normal valuation haircuts and tighter stop-loss discipline on stabilization trades.
• If you want event-driven exposure, use options rather than cash equity on the most hyped Hong Kong listings: buy short-dated puts 1-2 weeks after listing once initial momentum exhausts. This captures the typical post-inclusion fade while capping downside if the stock continues to be promoted.
• Monitor HKEX-linked financials and China brokerage proxies for a secondary effect: weaker issuance quality can reduce fee pool but increase trading turnover. If the market structure shifts toward churn rather than capital raising, prefer brokers/market-makers with higher turnover sensitivity over pure ECM franchises.