BlackRock files for a new 'buffer' Bitcoin ETF using options protection while its flagship IBIT ETF attracts $665M inflows in one day.
Ecosystem ·
BlackRock's IBIT Bitcoin ETF received $665 million in inflows, marking its largest single-day intake since October 2025. According to research, the surge reflects investor positioning for a potential catch-up trade in bitcoin as market conditions shift.
The inflow activity occurred as part of broader U.S. spot Bitcoin ETF momentum, with the category recording $527 million in net inflows on October 19, with IBIT accounting for the majority of that volume. In contrast, Ethereum ETFs saw $103 million in outflows during the same period, suggesting selective capital allocation within the digital asset ETF space.
The sustainability of inflows into IBIT and whether this represents a sustained shift in investor sentiment toward bitcoin positioning remain to be seen. The relative weakness in Ethereum ETF flows also raises questions about whether this movement reflects broader risk-on appetite or more targeted bitcoin-specific thesis.