U.S. spot Bitcoin exchange-traded funds attracted $526.6 million in net inflows on Monday, marking their strongest daily performance in nearly a month. The surge was driven entirely by BlackRock’s iShares Bitcoin Trust (IBIT), which recorded $665.2 million in inflows, its largest single-day addition since October 7 of the previous year. The combined result highlights a sharp concentration of demand in one fund rather than a broad-based recovery across the Bitcoin ETF market.
The underlying flow data reveals a divergence between major issuers. Fidelity’s FBTC registered $83.6 million in net outflows, while Grayscale’s GBTC lost $54.9 million. The remaining funds recorded no net flows, leaving IBIT’s buying activity to offset withdrawals elsewhere and generate a positive aggregate result. Notably, IBIT’s inflows exceeded the entire sector’s net total by $138.6 million, illustrating how heavily Monday’s performance depended on BlackRock’s fund.
The latest inflows also reversed the previous week’s $228.5 million in withdrawals, suggesting that demand returned forcefully after a period of selling pressure. However, Bitcoin ETFs remained approximately $90.5 million in net outflows for October, indicating that Monday’s surge had not yet fully reversed the month’s cumulative losses. The distinction matters because a strong single session can improve short-term sentiment without establishing a sustained trend in institutional investment demand.
The concentration of inflows raises a further question about the durability of the recovery. IBIT’s performance demonstrates substantial demand for BlackRock’s Bitcoin investment vehicle, but simultaneous withdrawals from competing products suggest that investors were not uniformly increasing exposure through the broader ETF market. Aggregate inflows remain an important measure of demand, yet the distribution of those flows provides additional context when assessing whether participation is broadening or remaining concentrated in a single product.
Ether investment products showed a weaker trend. U.S. spot Ether ETFs recorded $103.3 million in net outflows for a fourth consecutive session, with BlackRock’s iShares Ethereum Trust (ETHA) accounting for $95.4 million of the withdrawals. The contrast with Bitcoin funds indicates that flows into the two largest crypto-asset ETF markets were moving in opposite directions during the same session.
The next important signal will be whether Bitcoin ETF inflows persist across multiple sessions and whether demand extends beyond IBIT. Continued positive aggregate flows, accompanied by broader participation among issuers, would offer stronger evidence of a more durable recovery in investment demand. If inflows remain concentrated in BlackRock’s product while other funds continue to experience withdrawals, the headline figures may overstate the breadth of the market’s underlying appetite for Bitcoin exposure.
