Hang Seng Index (HSI), the benchmark of the Hong Kong stock market. A market capitalisation- weighted index of the constituent stocks in Hong Kong Stock Exchange.

The Hang Seng China Enterprise Index (HSCEI) is a market capitalisation-weighted stock index which is compiled and calculated by Hang Seng Indexes Company Limited.

Like Mini-HSI futures contract, the Mini Hang Seng China Enterprises Index (Mini-HSCEI) futures aims to serve the trading and hedging needs of retail investors. The underlying index of Mini-HSCEI futures contract is the HSCEI, the same as the standard HSCEI futures contract.

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 contract.