Question: how does hkex make money?
Answer: The exchange earns money by charging trading and clearing fees on stock transactions, so its income relies heavily on market turnover. The average daily turnover last year stood at HK$66.9 billion, down 37 per cent from HK$105.6 billion in 2015. ... Modi expects HKEX to report a 2016 net profit of HK$6 billion.