According to Farside Investors (@FarsideUK), BlackRock’s US spot Bitcoin ETF (IBIT) posted a $210.7 million net outflow on Dec 17, 2025, based on the firm’s Bitcoin ETF Daily Flow tracker, which compiles issuer-reported flow data. source: Farside Investors Bitcoin ETF Flow dashboard farside.co.uk/btc. Net outflows reflect primary-market redemptions and, under the cash creation and redemption model used by the iShares Bitcoin Trust (IBIT), require selling BTC to raise cash to meet redemptions, which can translate into near-term sell pressure as market makers execute underlying trades. source: iShares Bitcoin Trust (IBIT) prospectus on SEC EDGAR. For trading, a single-day $210.7 million outflow from IBIT is a negative demand signal from the ETF channel and warrants monitoring of subsequent session flows and BTC order-book liquidity during US hours for confirmation of pressure or stabilization. source: Farside Investors Bitcoin ETF Flow dashboard farside.co.uk/btc and iShares Bitcoin Trust (IBIT) prospectus on SEC EDGAR.

According to @PANewsCN, Bitcoin spot ETFs posted a total net outflow of $488 million on Oct 30 (ET), per SoSoValue data cited by @PANewsCN. According to @PANewsCN, all 12 Bitcoin spot ETFs recorded zero net inflows for the day, per SoSoValue data cited by @PANewsCN. According to @PANewsCN, combined net asset value for Bitcoin spot ETFs stood at $143.94 billion as of publication time, per SoSoValue data cited by @PANewsCN. According to @PANewsCN, the ETF net asset ratio reached 6.71% of Bitcoin’s total market capitalization, with historical cumulative net inflows at $61.378 billion, per SoSoValue data cited by @PANewsCN.

According to @iambrianrobbins on Twitter, current trading strategies revolve around tracking how much Bitcoin institutional access vehicles, such as spot ETFs, are accumulating and anticipating when these funds might unload their holdings. This analysis mirrors the historical behavior observed with GBTC, where inflows and sudden outflows had a direct impact on Bitcoin's price volatility and liquidity (source: @iambrianrobbins, Twitter, June 2024). Traders are closely monitoring ETF flows as a primary indicator for short-term price movements and market sentiment, making it crucial for crypto investors to stay updated on fund activity for optimal trading decisions.