Local bourse operator, Hong Kong Exchanges and Clearing, halted trading in derivatives in the afternoon and after hours sessions, due to what it called, was “connectivity issues.'
Trading was suspended at 2:00pm.
HKEX said trading in the derivatives market was suspended “due to prolonged connectivity issues on the Hong Kong Futures Automatic Trading System.''
The clearing system for derivatives will remain open for the afternoon session only, the bourse said.
All other markets are operating normally, the HKEx said, adding that it will provide further updates.
The average daily turnover of derivative warrants, CBBCs and warrants traded on the Stock Exchange was HK$22.8 billion in the first half, down from HK$26.2 billion in the year before.
The average daily number of trades of DWs, CBBCs and warrants traded on the Stock Exchange was 358,000.
In the first half, 5,048 derivative warrants were newly-listed.
The average daily value of derivatives contracts traded on the Futures Exchange increased by 2 percent from the year before. As a resut of fewer trading days in the first half, derivatives trading fees fell by 1 percent.
Trading fees and trading tariffs of derivative warrants, CBBCs and warrants dropped by 14 percent compared with the first half of last year, reflecting the 13 percent drop in average daily trunover and fewer trading days.