HSBC Holdings faces a potential surge in trading activity as Hong Kong prepares to overhaul its board-lot system, a structural change that could significantly lower the entry barrier for retail investors.

The reform aims to reduce the minimum investment required to trade a single lot of shares, which currently stands at nearly US$8,000 for the British bank's Hong Kong listing.

This adjustment is expected to make the stock more accessible to local investors, who have historically been constrained by the high capital requirement for a single trade unit.

Brokers anticipate that the reduced threshold will attract both domestic and international capital, potentially increasing daily turnover and improving liquidity for one of the most widely held stocks in the region.

The move aligns with broader efforts by Hong Kong regulators to modernize market infrastructure and enhance competitiveness against other global financial hubs.

By lowering the cost of entry, the exchange hopes to stimulate retail participation, which has been a cornerstone of the market's depth and resilience.