HK Stamp Duty on Shares Calculator 2026
Calculate HK stamp duty on share transactions per the Stamp Duty Ordinance (Cap. 117). Rate: 0.1% buyer + 0.1% seller of consideration or market value, whichever higher. Effective 17 Nov 2023 (cut from 0.13%). Plus $5 contract-note flat fee on both sides. Stock-borrowing exemption (intermediary), HK Connect rates differ.
Stamp Duty Rate 2026
Effective 17 Nov 2023 (Bill 2023): 0.1% on each side (buyer + seller). Prior rate (2021-2023) was 0.13% per side. Calculation: round consideration UP to nearest HK$1,000 before applying rate, then add HK$5 flat contract-note fee per side. Stamp duty payable by both buyer and broker (collected on stock note). Hong Kong Inland Revenue Department (IRD) enforces.
Exemptions
Intra-group transfers (90%+ associated body), corporate reorganisation under §45 Stamp Duty Ordinance, market-maker / specialist trades, share-borrowing/lending arrangements, and stock options upon exercise (already paid on grant) are exempt or rebated. Verify with IRD Practice Note 1 for stamp-duty relief.
Stock Connect — Northbound vs Southbound
Northbound (HK to A-shares) — no HK stamp duty, but CSRC stamp 0.05% buyer + 0.1% seller. Southbound (mainland to HK) — HK stamp duty applies normally to HK-listed shares purchased. Connect investors should plan for the asymmetric treatment when modeling trade costs.
Comparison to Other Markets
HK stamp duty (0.2% total) is one of the world's higher equity transaction taxes. Compare: UK stamp duty 0.5% buyer only on UK shares. France 0.3% on shares of large French companies. Singapore 0.2% only on private-company shares (listed exempt). US no stamp duty. HK pre-2021 was 0.20% (0.10% each side); 2021 hike to 0.26% reversed in 2023 back to 0.20%.
Sources: HK Stamp Duty Ordinance (Cap. 117), IRD Practice Note 1, HKEX Trading & Clearing Fee Schedule 2024. Last updated: May 2026. Not tax advice.