Bitcoin ETFs log $228M in weekly sales as monthly outflows near $618M

US spot Bitcoin ETFs had a rough October stretch. Investors pulled $228.6 million from the funds over the five trading days ending October 16, 2026. That brings month-to-date net outflows to roughly $615 million, with some tallies putting the figure closer to $618 million. These funds have become the main on-ramp for institutional money into Bitcoin. When the exits outpace the entrances, people notice. Where the money went BlackRock’s iShares Bitcoin Trust (IBIT) led the retreat. The fund saw approximately $165 million leave during the week, including $71.8 million on October 16 alone. Fidelity’s Wise Origin Bitcoin Fund (FBTC) also posted outflows on October 16. Its share was smaller, at $10.6 million. The sharpest single-day hit landed on October 7, when outflows peaked at $487.1 million. That one session represents a large chunk of the entire month’s net damage so far. Trading activity stayed busy throughout. Daily volume across the funds exceeded $2 billion on various sessions during October. The bigger picture since January 2024 US spot Bitcoin ETFs launched in January 2024, and cumulative inflows since then have reached approximately $56.88 billion. Total assets under managem...