China's economic slowdown, a sweeping regulatory crackdown that has tightened scrutiny over companies' fundraising outside mainland China and geopolitical tensions have all resulted in a bleak year for new listings in Hong Kong.
"In other words, we will make ourselves much more diversified (with) many more international companies and that will be our strategy."
International investors account for about 42% of investments in Hong Kong's equity market, and that share is "a lot higher" in the derivatives market, Cha said.
Years of strict COVID restrictions have also badly hit Hong Kong's economy, but the city has lifted most of its curbs in the last couple of months.
"So for us, there was, like the rest of Hong Kong, a higher attrition rate about 12 months ago, and that has come down now."