According to @FarsideUK, Fidelity's US Bitcoin ETF recorded a $198.9 million daily net inflow on Dec 10, 2025, based on the Farside BTC ETF flow tracker, source: Farside Investors (@FarsideUK) and Farside BTC ETF data page. Farside's page also lists issuer-level and total US spot Bitcoin ETF flows, allowing traders to compare Fidelity's $198.9 million figure with peers and the aggregate for the same date, source: Farside BTC ETF data and disclaimers page.