The Securities and Exchange Commission's approval of Bitcoin exchange-traded funds has led to a competitive market with a variety of fee structures. The Bitwise Bitcoin ETF offers the lowest expense ratio at 0.20, with the Ark21Shares Bitcoin ETF and the iShares Bitcoin Trust following closely. Other crypto-focused asset managers are also pricing their ETFs at a premium, with the Hashdex Bitcoin ETF at 0.94 and Valkyrie charging 0.49 for its fund BRRR, albeit with a temporary waiver. These fees are higher compared to broad stock index funds but competitive with major commodity funds.