According to @FarsideUK, BlackRock’s US spot Bitcoin ETF saw a net outflow of 173.6 million dollars on Dec 20, 2025. Source: Farside Investors farside.co.uk/btc. This negative daily flow reflects net redemptions over creations in the ETF primary market, a direct gauge of investor demand for BTC exposure via ETFs. Source: U.S. SEC, Investor Bulletin: Exchange-Traded Funds sec.gov. Farside Investors aggregates issuer-level and total US spot Bitcoin ETF daily flows, providing a data reference traders use to monitor flow trends. Source: Farside Investors farside.co.uk/btc.