Bitcoin ETFs Record $635M in Outflows as BTC Tests $81,000 Support

US Bitcoin exchange-traded funds (ETFs) recorded record net outflows of $635 million on October 22, 2026, wiping out in a single day the massive inflows from previous sessions. This movement comes as Bitcoin tests the key support of $81,000, a decisive technical level for the short-term stability of crypto markets. Context Spot Bitcoin ETFs, launched in the United States in January 2024, have revolutionized access for institutional and retail investors to the crypto-asset market. These instruments, which directly replicate the price of Bitcoin, have attracted more than $50 billion in assets under management in less than three years, according to data compiled by issuers. Their liquidity and transparency have made them a preferred barometer of market sentiment. Until recently, these funds benefited from a favorable context: growing adoption by traditional asset managers, European regulation (MiCA) providing a legal framework, and a bullish dynamic driven by the anticipation of monetary easing in the United States. However, after a record inflow of $1.05 billion over two sessions, the massive outflows of October 22 mark a brutal reversal. This turnaround coincides with a decline of more than 5% for Bitcoin over one month, as the asset tests a critical technical level. The Facts On October 22, 2026, US spot Bitcoin ETFs recorded net outflows of $635.5 million, according to data from AMBCrypto. This amount represents the largest withdrawal movement since June 2025 and completely cancels out the $1.05 billion inflows observed on October 20 and 21. The main issuers were affected unevenly: BlackRock (IBIT): $254.1 million in outflows, or 40% of the total; Fidelity (FBTC): $217.5 million; ARK 21Shares (ARKB): $109.4 million; Bitwise (BITB): $27.4 million; Grayscale (GBTC): $29.5 million. Only Morgan Stanley's ETF (MSBT) recorded a slight inflow of $2.3 million, which was insufficient to offset the selling pressure. Meanwhile, CryptoScore Pro data as of October 24 at 02:09 UTC indicates a Bitcoin price of $80,942.01, down 0.39% over 24 hours, with a trading volume of $912.62 million. The asset's market capitalization stands at $1.63 trillion, according to the same source. Outflows are not limited to Bitcoin. ETFs of other crypto-assets also experienced redemptions on October 22, according to SoSo Value data: Ethereum (ETH): $110.5 million in outflows; Solana (SOL): $8.51 million; Hyperliquid (HYPE): $7.88 million. Conversely, Zcash (ZEC) and XRP ETFs recorded inflows of $14.23 million and $3.55 million, respectively. The source does not specify whether these movements are correlated with the outflows from Bitcoin ETFs or if they reflect distinct reallocation strategies. Furthermore, FINMA, the Swiss regulator, approved a physical Bitcoin fund (BBIT) for retail investors on October 22, with listing scheduled for November on the SIX Swiss Exchange. Several key elements remain undisclosed: the exact breakdown of investors behind the redemptions (institutional vs. retail), the precise reasons for these outflows (profit-taking, reallocation to other assets, or reaction to macroeconomic factors), as well as any subsequent revisions to the flow data. Understanding Key Concepts Spot ETFs and Net Flows A spot ETF (Exchange-Traded Fund) is an exchange-traded fund that directly holds the underlying asset – in this case, Bitcoin. Unlike synthetic ETFs, which replicate performance via derivative contracts, spot ETFs offer physical exposure to the asset. Net flows measure the difference between purchases (inflows) and redemptions (outflows) of fund shares over a given period. For example, if an ETF records $100 million in purchases and $60 million in redemptions in one day, its net flow is +$40 million. These flows reflect investor sentiment: massive inflows signal increased demand, while significant outflows can indicate profit-taking or risk aversion. In the case of Bitcoin ETFs, redemptions force issuers to sell Bitcoins to honor reimbursement requests, which puts downward pressure on the price. Technical Support and ETF Cost Basis Technical support is a price level at which buyers have historically stepped in to prevent a more pronounced decline. In the case of Bitcoin, the $81,000 threshold is considered a key support level, as it corresponds to the average cost basis of investors who acquired shares of spot Bitcoin ETFs, according to Glassnode. This cost basis represents the average purchase price of the Bitcoins held by the funds, weighted by volume. If the price remains above this level, investors are less inclined to sell, which can stabilize the market. Conversely, a sustained break below $81,000 could trigger further selling, as investors seek to limit their losses. For example, if an investor bought ETF shares at $81,000 and the price drops to $79,000, they might decide to sell to avoid larger losses. MiCA and Regulatory Framework MiCA (Markets in Crypto-Assets) is the European regulation that came into force in 2024, framing issuers and service providers related to crypto-assets. A "MiCA registered" asset means it complies with the transparency, anti-money laundering, and investor protection requirements imposed by the European Union. Bitcoin, as a decentralized asset, is not directly subject to MiCA, but issuers of ETFs or funds holding it must comply with these rules. This regulatory framework strengthens the legitimacy of crypto-assets in the eyes of institutional investors, reducing the risk of sudden sanctions or restrictions. For example, a Bitcoin fund approved by FINMA in Switzerland benefits from similar recognition, facilitating its access to retail and professional investors. Analysis: what is at stake Massive outflows from spot Bitcoin ETFs, reaching $635 million in a single day, reveal crucial market mechanisms. These flows first reflect institutional selling pressure, as issuers are forced to liquidate underlying assets to honor redemptions. According to CryptoScore Pro data as of…