According to Farside Investors (@FarsideUK), BlackRock's Bitcoin ETF recorded a daily inflow of $46.9 million on June 21, 2025. This substantial inflow signals ongoing institutional demand for BTC exposure and supports bullish sentiment among traders. Consistent inflows into major ETFs like BlackRock's are seen as positive indicators for Bitcoin price stability and potential upward momentum, directly affecting short-term trading strategies and volume on spot BTC markets (source: Farside Investors, farside.co.uk/btc/).