The Sprott Physical Gold Trust Units (PHYS) is a mutual fund that invests in physical gold bullion. It is designed to provide investors with a convenient and cost-effective way to gain exposure to the price of gold. The fund is managed by Sprott Asset Management and holds physical gold bars in secure vaults. Investors can buy and sell units of the fund on stock exchanges, making it a liquid and accessible option for those looking to add gold to their investment portfolio.