Bitcoin ETFs See $643 Million Outflow, the Largest Since June, Trimming 2026 Net Inflows to About $370 Million

US spot bitcoin ETFs recorded net outflows of $643.3 million on Friday, October 30, the largest single-day outflow since June 25, according to SoSoValue. The withdrawal erased about 64% of the funds’ 2026 net inflows, which stood at just over $1 billion before Friday, leaving roughly $370 million for the year.Largest Outflow Since JuneFriday’s outflow narrowly topped the $635.5 million that left the funds on October 22, and ranks as the 12th largest single-day outflow since US spot bitcoin ETFs launched in January 2024. The last larger one came on June 25, when $696.3 million was withdrawn. BlackRock’s IBIT led the outflows with $233.7 million, followed by Fidelity’s FBTC with $201.4 million.Demand Indicators SoftenThe outflow pushed total assets in US spot bitcoin ETFs below $100 billion to $98.14 billion, Bitfire Research said, noting that spot ether ETFs also posted outflows for the week. Bitfire pointed to other signs of weaker demand, including a negative US bitcoin premium index, which tracks buying pressure from US investors, and a Crypto Fear & Greed Index in the 30 to 34 range. “Institutional and spot buying momentum visibly faded,” the firm said.Nick Forster, founder and CEO of options exchange Derive, said Friday was the first trading session after the Binance security incident and that it had added uncertainty to an already pressured market. Binance has since replenished 90% of the affected assets and reopened withdrawals in phases on Sunday.What Comes NextBitfire highlighted three near-term events for crypto markets:The November 3 US midterm elections, which could shape the regulatory outlook for President Donald Trump’s final two years in office.The November 6 nonfarm payrolls report for October, which could move Federal Reserve rate expectations.MSCI’s final list of companies affected by its new rules for non-operating companies. Strategy and Metaplanet have been flagged as possible candidates for exclusion, which could expose their shares to selling by passive funds.