Hang Seng Index (HSI) Futures was introduced by Hong Kong Futures Exchange (HKFE) in May 1986 to meet the growing needs in hedging instrument for its underlying index, Hang Seng Index (HSI).

About Hang Seng Index (HSI)

A market capitalisation-weighted index of the constituent stocks in Hong Kong Stock Exchange (HKEX).

Includes the largest and most liquid stocks listed in Hong Kong.

HSI constituent stocks are group into 4 sectors ; Finance, Utilities, Properties and Commerce and Industry Sub indexes.

In total, HSI index consists 50 constituent stocks.

Key Features of HSI Futures Contract

Proven Benchmark

HSI is a benchmark for the Hong Kong stock market and yardstick of portfolio performance.

High Liquidity

HSI futures markets are characterised by their trading liquidity and the active participation by both local and overseas investors.

High Cost Effectiveness

HSI futures are traded on a margin basis. The margin is only a fraction of the contract value.

Key Statistics HSI Futures Contract (Source : www.hkex.com.hk)

Average Daily Volume (2018)

Total Open Interest (2018)

HSI Futures 234,424 133,924

In 9 October 2000, HKFE has introduced a Mini Hang Seng Index (Mini-HSI) futures contractto cater the needs of retail investors who have an interest in HKFE.

Like HSI futures contracts, Mini-HSI futures contract are also based on Hong Kong’s benchmark Hang Seng Index. However, the contract multiplier are much lower which are HK$10 or one-fifth the size of the standard HSI futures contracts.

Key Features of Mini-HSI Futures Contract

Tailor made for retail investors

  • The smaller contract size allows experienced and novice investors alike to participate in the performance of the constituent stocks in the index in a graduated scale.

Low costs

  • The margin requirements and commission for Mini-HSI futures and option contracts are much lower given its smaller contract size.


  • The Mini-HSI futures contract and the HSI futures contract are fungible in that opposite positions in these two contracts can be offset at the ratio of one HSI futures contract against five Mini-HSI futures contracts.
Key Statistics Mini-HSI Futures Contract (Source : www.hkex.com.hk)

Average Daily Volume (2018)

Total Open Interest (2018)

Mini-HSI Futures 100,262 12,587


Originally, there are only 33 companies listed in HSI index until the inclusion of H shares (China incorporated companies listed in Hong Kong) in the index in early 1990s which had boosted the number of constituents to 50. Out of the 33 original HSI constituents, only seven remain from the initial list. They are HSBC, CLP, Power Assets, Hong Kong and China Gas, Swire, Wharf and Hutchison Whampoa.

Factors that move the market

Economic data – GDP and inflation

Corporate earning results

Government policy changes

Demand and supply factors for each sector

Global and regional issue

Contract Specification (Source : www.hkex.com.hk)

HSI Futures

Mini HSI Futures

Underlying Instrument Hang Seng Index
Contract Multiplier HK$50 per index point HK$10 per index point
Minimum Price Fluctuation One index point
Contract Months Short-dated Futures : Spot, next calendar month & next two calendar quarter months Long-dated Futures : the following 5 December months Spot, next calendar month & next two calendar quarter months
Trading Hours 1st Session : 0915 – 1200
2nd Session : 1300 – 1630
After Hour Trading Session : 1715 – 0300

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