Market Turnover


Hang Seng Index Futures Options


Hang Seng Index (HSI) Futures Options are designed for global investors to execute derivative trading strategies on Hong Kong equity. The contracts complement HKEX’s HSI derivatives suite enabling investors to trade and hedge with great flexibility.

Hang Seng Index

The benchmark of the Hong Kong stock market

Hang Seng Index, the leading barometer of Hong Kong stock market, is one of the best known indices in Asia and is widely used by fund managers as their performance benchmark. Since its introduction on 24 November 1969, regular adjustments of HSI constituent stocks have been made to reflect the importance of different industry sectors and to keep track of the closer economic ties between Hong Kong and Mainland China. Despite the enormous growth in the Hong Kong stock market over the years, the HSI has been proven to be an effective tool to track the overall performance of the Hong Kong stock market.

Comprehensive product ecosystem

HSI is used as the base index for a wide variety of derivatives products. HSI futures (introduced in May 1986) and options (introduced in March 1993) have become very popular with increasing domestic and international investors’ participation. Together with Flexible HSI Options, Weekly HSI Options, and Mini-HSI Futures and Options, these contracts provide investors with a set of effective instruments to manage risks in Hong Kong equity portfolios.


Related Circulars:

Introduction of Physically Settled Options Contracts on Hang Seng Index Futures and Hang Seng China Enterprises Index Futures
Introduction of Physically Settled Options Contracts on Hang Seng Index Futures and Hang Seng China Enterprises Index Futures on 23 August 2021
Frequently Asked Questions – Position Limits and Large Open Position (“LOP”) Reporting on Physically Settled Options on Futures Contracts
Appointment of Primary Market Makers and Finalised Trading Arrangements for Physically Settled Option Contracts on Hang Seng Index Futures and Hang Seng China Enterprises Index Futures

Press Release

Derivatives Market Access Codes


Participants should ensure the following before engaging in trading or offering Options on Futures products to clients:

  • Ensure systems (including front office and back office systems) and operational readiness and complete a Readiness Test successfully in the HKEX testing environment. 
  • Necessary measures taken to ensure the end users/clients understand the settlement mechanism and risk involved in the new product (e.g. Client-facing staff / clear client interface and client education).
  • Thorough and effective communication made to the clients prior to offering, specifically, on the differences between Options on Index and Options on Futures products.
  • Similar to all physically-settled options, an option position holder should be aware that the final P&L of such position would be affected by the price of the underlying asset.
  • There may be cases where the delivered position will incur immediate mark-to-market gain/loss (the price of delivered position may not be the same as official settlement price).
  •  Participants who do not wish positions to settle into futures could opt to square their positions before expiry or consider the cash-settled Options on Index.
  •  Participants should closely monitor and manage their risk at all times.


Updated 21 Feb 2024


Contract Summary


Underlying Index Hang Seng Index Futures
HKATS Code PHS         
Contract Multiplier HK$50 per index point
Minimum Fluctuation One index point. 
Contract Months Short-dated Options:- Spot, next three calendar months & next three calendar quarter months and
Long-dated Options:- the next 3 months of June & December and the following 3 December months 
Exercise Style European Style
Option Premium

Quoted in whole index points

 Strike Price
 Index Points Strike Interval 
Short-dated Options:
 ≥ 20,000  200
 ≥ 5,000 and < 20,000  100
 < 5,000  50
 Long-dated Options:
 ≥ 20,000  400
 ≥ 5,000 and < 20,000  200
 < 5,000  100


Trading Hours

9:15 am - 12:00 noon, 1:00 pm - 4:30 pm & 5:15 pm -3:00 am
(Expiring contract month closes at 4:00 pm on the Expiry Day)                        

Expiry Day

The third Friday of the Contract Month and if it is not a Trading Day, the Expiry Day shall be the preceding Trading Day

Settlement on Exercise Physical Delivery on Exercise.  All in-the-money options are automatically exercised upon expiry.
Official Settlement Price The Official Settlement Price for HSIF Options shall be a number, rounded down to the nearest whole number, determined by the Clearing House and shall be the average of the quotations of the HSIF Contract of the same Contract Month, taken at five (5) second intervals from 3:55 p.m. –  4:00 p.m. on the Expiry Day of the HSIF Options
Transaction Costs Exchange Fee HK$10.00
Commission Levy HK$0.54
Commission Rate Negotiable

Please visit “Rules, Regulations and Procedures of the Futures Exchange" of “Trading Rules” under “Rules and Regulations” of the HKEx website for full contract specifications.

Margin Table

Derivatives Market Access Codes

  Bloomberg L.P. Refinitiv
Hang Seng Index HSI  .HSI
Hang Seng Index Options on Futures HIA Index OMON 0#PHS*.HF



Trading Fees and Commission

Hang Seng Index Options on Futures
Exchange Fee HK$10.00 per contract per side
Commission Levy HK$0.54 per contract per side
HK$10.54 per contract per side
Brokerage Commission Negotiable

Market Making Liquidity providing obligations and Incentives

For details of the Market Making/Liquidity Providing Obligations and Incentives of Equity Index Products, please refer our webpage below: