According to @FarsideUK, Farside Investors reports a Bitcoin ETF daily flow of US$64.3 million for Grayscale’s GBTC dated Jan 13, 2026, source: Farside Investors via X post on Jan 13, 2026 and farside.co.uk/btc. The dataset and related disclaimers are available for verification on Farside Investors’ Bitcoin ETF flow tracker, source: Farside Investors at farside.co.uk/btc.