According to @FarsideUK, Fidelity’s U.S. spot Bitcoin ETF (FBTC) recorded a daily net flow of US$50.9 million in the latest Bitcoin ETF Daily Flow update on Aug 23, 2025 (source: Farside Investors tweet and data portal). Farside Investors reports and updates U.S. spot Bitcoin ETF net flows and provides methodology and disclaimers for verification on its website, enabling independent validation of the figure (source: Farside Investors). Because spot Bitcoin ETFs hold BTC to back issued shares, net inflows reflect additional BTC acquired by the fund while net outflows reflect redemptions and reduced holdings, a metric traders track to gauge U.S. demand for BTC during the U.S. session (source: Fidelity FBTC prospectus and Farside Investors dataset).

According to @FarsideUK (Farside Investors), Fidelity's US Ethereum ETF recorded a daily flow of US$132.3 million on Aug 9, 2025. Source: Farside Investors @FarsideUK on X, post ID 1953977643130314970; farside.co.uk/eth/ Farside directs readers to its Ethereum ETF data and disclaimers page for full methodology and issuer coverage. Source: farside.co.uk/eth/