The $1.28 billion weekly outflow erased 2026 gains for U.S. spot Bitcoin ETFs, pushing cumulative year-to-date net flows into negative territory at approximately $914.1 million in net outflows by November 6, 2026

Exchange-traded funds that hold Bitcoin for stock-market investors, with their fund flows, competing issuers and regulatory approvals.

Recurring boom-and-bust patterns in digital-asset prices, often framed around Bitcoin halvings, liquidity conditions, and shifting narratives.