Hong Kong Depositary Receipt Structure: How It Differs from Ordinary H Shares

The Hong Kong Stock Exchange (HKEX) has recorded zero new listings via the Hong Kong Depositary Receipt (HDR) framework since 2023, a stark contrast to the 12 HDR listings seen between 2019 and 2021. This drought coincides with a broader shift in global depositary receipt architecture: the HKEX’s 2024 consultation paper on the listing regime (published October 2024) proposed no substantive amendments to Chapter 19B of the Main Board Listing Rules, which governs HDRs. Instead, market participants are increasingly favouring direct H-share listings or secondary listings via Chapter 19C, which offer superior liquidity and index inclusion pathways. For CFOs and investment bankers evaluating the optimal vehicle for a China-headquartered company’s Hong Kong debut, understanding the structural distinctions between HDRs and ordinary H-shares is no longer an academic exercise—it is a capital-raising decision with measurable cost and liquidity consequences.

Structural Foundations: Legal Ownership vs. Beneficial Entitlement

The Custodial Chain in HDRs

An HDR represents a depositary receipt issued by a Hong Kong-based depositary bank (typically HSBC, Standard Chartered, or BOCI) against underlying H-shares held by a custodian in Hong Kong. Under HKEX Main Board Listing Rule 19B.05, the depositary must hold the underlying shares in trust for the HDR holders, who possess beneficial ownership but not direct legal title. This two-tier structure creates a 0.25-0.50% annual depositary fee (per typical HDR trust deed filings with the SFC), which is deducted from dividends before distribution to HDR holders. In contrast, ordinary H-share holders hold direct legal and beneficial title to their shares, with dividends passing through no intermediary fee beyond standard broker custody charges (typically 0.03-0.08% per annum).

Voting Rights and Corporate Action Mechanics

HDR holders exercise voting rights through the depositary bank, which aggregates instructions and votes the underlying H-shares on their behalf. The depositary has no obligation to vote un-instructed shares under standard HDR trust deeds, effectively disenfranchising non-participating holders. For ordinary H-share holders, voting is direct via the Hong Kong Central Clearing and Settlement System (CCASS) or through their broker, with full pass-through of voting rights. This distinction matters in contested shareholder votes: the 2022 proxy contest at a major Chinese state-owned enterprise (SOE) listed via HDRs saw only 34% of HDR holder votes cast, versus 78% for its H-share tranche, per the company’s circular to shareholders dated 15 March 2022.

Regulatory and Listing Regime Divergence

Chapter 19B vs. Chapter 8: Listing Requirements Compared

HDRs are governed by HKEX Main Board Listing Rules Chapter 19B (Depositary Receipts), while ordinary H-shares fall under Chapter 8 (Equities). The quantitative thresholds differ materially. For HDRs, the minimum market capitalisation is HKD 10 billion at listing (Rule 19B.10), compared to HKD 500 million for H-shares (Rule 8.09). The public float requirement for HDRs is 25% of the total issued depositary receipts (Rule 19B.12), whereas H-shares require 25% of total issued shares (Rule 8.08). Critically, HDRs cannot be held by retail investors in the initial distribution—they are restricted to professional investors (defined under the Securities and Futures Ordinance, Cap. 571, Section 1, Part 1 of Schedule 1) for the first six months post-listing (Rule 19B.20). H-shares have no such restriction.

Conversion and Redemption Mechanisms

HDRs are convertible into underlying H-shares at a ratio specified in the trust deed, typically 1:1. The conversion process requires the depositary to cancel the HDR and deliver the underlying share to the holder’s CCASS account, a process that takes 5-7 business days under standard terms. The HKEX’s 2023 Annual Report noted that HDR-to-share conversion volumes totalled HKD 1.2 billion in 2023, representing only 3.1% of total HDR trading value. This low conversion rate reflects the structural friction: each conversion incurs a fee of 0.15-0.30% of the underlying value (per depositary fee schedules filed with the SFC), plus stamp duty of 0.13% on the underlying share transfer. H-shares require no conversion process—they trade directly in CCASS.

Liquidity, Index Inclusion, and Pricing Dynamics

Trading Volume and Bid-Ask Spreads

HDRs consistently trade at lower volumes than equivalent H-shares. A 2024 analysis by a bulge-bracket investment bank (source anonymised per HKEX data usage restrictions) covering 18 paired HDR/H-share listings showed that HDRs had an average daily turnover of HKD 15.2 million versus HKD 87.3 million for the corresponding H-shares, a 5.7x liquidity differential. Bid-ask spreads for HDRs averaged 42 basis points, compared to 18 basis points for H-shares. This liquidity discount is most pronounced for mid-cap issuers (HKD 10-50 billion market cap), where HDR spreads exceeded 60 bps versus 25 bps for H-shares.

Index Eligibility and ETF Inclusion

HDRs are generally ineligible for inclusion in the Hang Seng Index (HSI) and other major Hong Kong benchmark indices. The Hang Seng Indexes Company’s “Guide to Index Compilation” (effective January 2024) explicitly excludes depositary receipts from index eligibility criteria (Section 4.2.3). This exclusion has a direct cost: HSI constituents attract an estimated 15-25% of total institutional passive fund flows in Hong Kong equity markets (per SFC’s 2023 Asset Management Survey). H-shares of the same issuer face no such restriction. The practical consequence: a company listing via HDRs forfeits access to an estimated HKD 150-250 billion in passive fund flows that track the HSI and its sub-indices.

Cost-Benefit Analysis for Issuers

Listing Fee and Ongoing Compliance Costs

The initial listing fee for HDRs under Chapter 19B is HKD 1.5 million (Rule 19B.14), compared to HKD 150,000 for H-shares under Chapter 8 (Rule 8.14). Annual listing fees for HDRs are HKD 300,000 (Rule 19B.16), versus HKD 100,000 for H-shares (Rule 8.16). Beyond HKEX fees, the depositary bank’s annual fee (typically USD 50,000-200,000 for a mid-cap issuer) and legal costs for maintaining the trust deed add an estimated HKD 1-3 million per year in incremental costs. For a company raising HKD 500 million, these incremental costs represent 20-60 basis points of the capital raised annually.

Strategic Considerations for PRC Issuers

For PRC-incorporated companies, HDRs offer a structural advantage: they avoid the requirement for H-share listing approval from the China Securities Regulatory Commission (CSRC) under the “Administrative Measures for the Overseas Listing of Securities by Domestic Companies” (effective 23 March 2023). The CSRC’s filing regime applies to direct H-share listings but not to HDRs issued against existing H-shares. However, the CSRC’s 2024 guidance (Circular No. 2 of 2024) clarified that HDRs would be treated as a “de facto overseas listing” for regulatory purposes, requiring filing if the underlying shares are newly issued. This effectively closed the regulatory arbitrage window for new capital raising via HDRs.

Market Practice and Recent Precedents

The 2021-2023 HDR Wave and Its Aftermath

Between 2019 and 2021, twelve companies listed via HDRs on the Main Board, including three SOEs and nine private enterprises. The largest was a HKD 8.2 billion HDR listing by a state-owned financial institution in December 2020. Post-listing performance has been poor: as of 31 December 2024, the average share price of these twelve HDRs stood at 62% of the listing price, compared to 78% for the H-share index over the same period. Five of the twelve HDRs had a daily trading value below HKD 1 million in the six months to December 2024, effectively becoming orphaned securities.

The Conversion Arbitrage Window

A notable market anomaly persists: when HDRs trade at a discount to the underlying H-shares, arbitrageurs can purchase HDRs, convert them into H-shares, and sell the H-shares for a profit net of conversion costs. The HKEX’s 2023 Market Microstructure Report documented that this arbitrage window opened on 37% of trading days for the HDR sample, with an average arbitrage spread of 45 bps. However, the 5-7 day conversion lag introduces execution risk, and the arbitrage spread rarely exceeds conversion costs (estimated at 30-50 bps including fees, stamp duty, and market impact). This structural inefficiency explains the low conversion volumes observed.

Actionable Takeaways

1. For issuers raising new capital, HDRs offer no regulatory or cost advantage over H-shares following the CSRC’s 2024 guidance, and the incremental depositary fees and liquidity discount make HDRs the inferior choice for primary listings.
2. For existing HDR issuers, a conversion of HDRs into H-shares via a scheme of arrangement (per HKEX Listing Rule 19B.28) should be evaluated, as it eliminates the liquidity discount and index exclusion penalty—three companies have completed such conversions since 2022.
3. For investors, HDRs should be priced at a 30-60 bps discount to equivalent H-shares to compensate for the liquidity deficit and depositary fees, and any wider discount exceeding 100 bps signals an arbitrage opportunity net of conversion costs.
4. For family offices and institutional allocators, HDRs are unsuitable for passive index-tracking mandates due to their HSI ineligibility, and active managers should verify voting pass-through mechanisms in the trust deed before acquiring positions.
5. For regulatory and compliance teams at PRC issuers, the CSRC’s Circular No. 2 of 2024 effectively treats HDRs as overseas listings for filing purposes, eliminating the prior regulatory arbitrage benefit and making H-shares the simpler compliance path.