Hang Seng
^HSI
Key Statistics
About Hang Seng
By Liveworldmarket Editorial Team · Last reviewed 29 June 2026
Hang Seng Index — Hong Kong's Benchmark
The Hang Seng Index is the headline benchmark for the Hong Kong Stock Exchange (HKEX), composed of 80+ large-cap stocks selected for market capitalisation, trading liquidity and free float. Geographically the index is dominated by Hong Kong-listed Chinese mainland-domiciled companies (around 70% of index weight), with the remainder being Hong Kong domestic listings. Sectorally, the index is heavy in financials (HSBC, AIA, Ping An), consumer-internet (Tencent, Alibaba, Meituan, JD.com, NetEase), and Hong Kong real estate (CK Hutchison, Sun Hung Kai Properties, Cheung Kong Asset Holdings).
For global macro traders the Hang Seng is the cleanest English-language proxy for the broader Chinese equity market — more liquid and more accessible than the mainland A-shares indices, with fewer foreign-investor restrictions. The Hang Seng's beta to mainland sentiment is high: a sharp Shanghai Composite move at 07:00 IST typically produces a correlated Hang Seng move at the 07:00 IST Hong Kong open.
History & contract origins
The Hang Seng Index was launched on 24 November 1969 by Hang Seng Bank (now part of HSBC), with a base value of 100 set retrospectively to 31 July 1964. It was originally a 33-stock basket and expanded gradually to 50 in 2007, 60 in 2021 and 80+ in subsequent rebalances. The index crossed 10,000 in October 1993, peaked at 31,958 in October 2007 just before the GFC, retook that high in early 2018, and reached its all-time peak of 33,484 in February 2018. Since then it has been in a prolonged drawdown driven by US-China tensions, COVID-19, regulatory crackdowns on China tech (2020-21), and property-sector debt distress.
Major drawdowns in living memory: 2007-08 GFC (-65%), 2015 China devaluation (-37%), 2020 COVID (-25%), 2021-23 China-property + tech crackdown (-52% peak to trough). The Hang Seng has historically been one of the most volatile major global indices because of its dual exposure to Chinese mainland policy risk and Hong Kong-specific political risk.
Trading hours & session layout
Hong Kong Stock Exchange runs a two-session structure with a 60-minute lunch break. In IST:
| Pre-open auction | 06:30 IST |
| Morning session open | 07:00 IST |
| Morning session close | 09:30 IST |
| Lunch break | 09:30 - 10:30 IST |
| Afternoon session open | 10:30 IST |
| Afternoon session close | 13:30 IST |
| Closing auction | 13:30 - 13:40 IST |
Holiday calendar (typical annual closures)
Listed below are the major scheduled closures for the underlying exchange. Exact dates shift year-to-year — always verify against the exchange's official calendar before holding overnight positions across a holiday boundary.
| Holiday | Typical date |
|---|---|
| New Year's Day | 1 January |
| Lunar New Year (3 days) | Variable — late January or February |
| Good Friday + Easter Monday | Variable |
| Ching Ming Festival | Around 5 April |
| Labour Day | 1 May |
| Buddha's Birthday | Variable in May |
| Tuen Ng Festival (Dragon Boat) | Variable in June |
| HKSAR Establishment Day | 1 July |
| Mid-Autumn Festival | Variable in September-October |
| National Day (PRC) | 1 October |
| Chung Yeung Festival | Variable in October |
| Christmas Day | 25 December |
| Boxing Day | 26 December |
How to read this tape
Watch three signals on the Hang Seng tape. First, the offshore CNH (USD/CNH) exchange rate — a weakening yuan typically pressures the index because Hong Kong-listed Chinese names have local-currency liabilities. Second, the Hang Seng Tech sub-index — China internet names (Tencent, Alibaba, Meituan) lead Hang Seng moves; a 5% Tencent move alone can shift the index by ~0.4-0.5%. Third, US-China tariff and tech-export-control headlines move the Hang Seng disproportionately versus the broader Asian benchmarks; treat any meaningful US-China policy headline as a potential 2-5% intraday catalyst.
The Hang Seng China Enterprises Index (HSCEI), often called the 'H-share index', tracks Hong-Kong-listed Chinese mainland companies only — a purer Chinese-mainland proxy than the headline Hang Seng. Reading them together helps separate Hong-Kong-specific moves from China-policy-driven moves.
Frequently asked questions
Is the Hang Seng a Chinese index or a Hong Kong index?
Mostly Chinese in 2026 — roughly 70% of constituents by weight are Chinese mainland-domiciled companies that have chosen Hong Kong as their primary listing venue (often because of stricter listing rules on mainland exchanges). Hong Kong-domestic property and bank names make up the remainder.
Why is the Hang Seng so much more volatile than the S&P 500?
Three reasons: (a) higher single-stock concentration (Tencent and Alibaba together exceed 15%), (b) exposure to Chinese-mainland policy risk (regulatory crackdowns, capital controls), (c) Hong-Kong-specific political risk. Annualised volatility runs roughly 50-80% higher than the S&P 500.
How accessible is the Hang Seng for Indian retail investors?
Reasonably accessible via the LRS route through any international broker. Hang Seng ETFs include 2800.HK (Tracker Fund of Hong Kong) and EWH (US-listed). India-listed alternatives are limited.
How does Hang Seng correlate with Indian markets?
Daily correlation with Nifty 50 is ~0.3 — moderate, lower than the Hang Seng's correlation with Shanghai Composite (~0.7) or S&P 500 (~0.4). A bad Hang Seng session does not automatically translate into a bad Nifty session, but persistent Hang Seng weakness usually signals broader EM stress that eventually weighs on Nifty.
When does the Hang Seng have its biggest daily moves?
Historically during the morning session (07:00-09:30 IST), which absorbs overnight US session moves and any morning Chinese-mainland headlines. Afternoon moves tend to be smaller and more technical.
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Editorial article. Information only — not investment advice. Read our Risk Disclaimer before acting on any market data shown here.