Bitcoin's price topped $100,000 for the first time on Dec. 4, 2024, a long-awaited milestone. It has since fallen back under that level, but is still up by more than 100% this year.
A spot Bitcoin ETF is an exchange-traded fund — a highly liquid fund that changes price throughout the trading day, just like a stock — that directly tracks the price of Bitcoin, primarily by holding a large amount of the cryptocurrency itself.