Battery giant Contemporary Amperex Technology Co. Ltd. (CATL) has seen a 46% jump in its Hong Kong-listed shares since debuting in May.

This surge has created a 30% premium over its Shenzhen-listed stock, after adjusting for currency differences.

This is notable as most of the roughly 150 dual-listed companies in Hong Kong typically trade at a discount to their mainland listings.

JPMorgan analysts cite low liquidity from a post-listing lock-up, a short squeeze due to share borrowing, and strong global investor interest as key factors.

They warn, however, that the rapid rise may lead to a pullback.

CATL’s premium fits into a broader trend of some Hong Kong listings trading above their mainland counterparts this year. Still, such large double-digit gaps remain rare.

🔗 Source: Bloomberg

🧠 Food for thought

1️⃣ CATL’s premium defies historical dual-listing patterns

CATL’s 30% premium in Hong Kong represents an unusually large price gap compared to typical dual-listed company patterns.

Historical data from other dual-listed companies shows much smaller differentials, with examples like BHP Billiton showing an 8% premium for UK shares over Australian shares, and Rio Tinto averaging just a 2% premium for its UK listing1.

The magnitude of CATL’s premium suggests extraordinary international investor interest beyond typical market dynamics.

While short-term factors like post-listing lock-up and potential short squeezes contribute to this anomaly, such extreme differentials have historically been rare and often temporary.

The only comparable example mentioned was Anhui Conch Cement’s 68% premium in 2014, which quickly normalized after the Shanghai stock connect opened, improving market access for international investors.

2️⃣ Global expansion strategy drives CATL’s Hong Kong listing success

CATL’s strategic Hong Kong IPO serves as a financial bridge to fund its ambitious international growth, explaining part of its strong performance.

Recent CATL developments