According to Farside Investors, Grayscale's Bitcoin ETF (GBTC) recorded a daily net outflow of US$42.7 million on April 28, 2025 (source: FarsideUK on Twitter). This significant capital movement signals sustained selling pressure and potential bearish sentiment among institutional holders. Traders should monitor GBTC’s outflow trends, as persistent negative flows can indicate weakening confidence and may impact Bitcoin’s short-term price action. For comprehensive ETF flow data and disclaimers, refer to farside.co.uk/btc.