Investors residing in Hong Kong can easily gain exposure to the S&P 500 through various accessible financial channels, including local and international online brokerages operating within the territory. Investors can purchase exchange-traded funds that replicate the S&P 500 index, such as Vanguard's VOOG or VOO, or SPDR's SPY, through global accounts that support US stock trading. Additionally, Hong Kong stock exchanges list various UCITS exchange-traded funds denominated in Hong Kong Dollars or US Dollars that track American indices, allowing local participants to build diversified portfolios conveniently.