At present,the trading of the Hang Seng Index (HSI) 33 futures and options contracts which account for over 90 per cent of all the trading volume of the HKFE is conducted in an open outcry environment.

• 目前，恒生指数33期货和期权合约的交易占期交所总交投量逾九成，交易在公开叫价的环境下进行。