Bitcoin ETF inflows surged as BlackRock’s IBIT and Fidelity’s FBTC drove $1.19B of net new capital, with combined BlackRock–Fidelity trading hitting $5.48B. IBIT’s near‑$100B AUM and strong ETF volumes signal sustained institutional demand for spot Bitcoin and growing adoption of crypto ETFs. IBIT led inflows with $969.95M, pushing assets toward ~$98.5B. Combined spot Bitcoin ETF inflows totaled $1.19B; trading value across Bitcoin ETFs reached $6.53B. Ethereum ETFs recorded $176.56M inflows and $2.65B trading value; total ETH ETF AUM stood near $32.01B. Bitcoin ETF inflows surged as IBIT nears $100B AUM; read the detailed trading and institutional flow breakdown — see key takeaways and FAQs. What are Bitcoin ETF inflows and why did volumes spike? Bitcoin ETF inflows are net new capital moving into spot Bitcoin exchange‑traded funds; Monday’s spike was driven by institutional buying, with BlackRock and Fidelity accounting for the bulk of $5.48B in combined trading and $1.19B in net ETF inflows. This reflects portfolio rotation toward crypto ETFs amid rising BTC prices. How is IBIT nearing $100 billion affecting institutional demand and market structure? BlackRock’s iShares Bitcoin Trust (IBIT) attracted $969.95M in flows, representing over 80% of the day’s net inflows. IBIT’s AUM is reported near $98.5B, holding roughly 783,767 BTC as of early October 2025. Such concentration accelerates ETF liquidity, tightens spot‑ETF spreads, and reinforces the role of major asset managers in price discovery. { "@context": "https://schema.org", "@type": "NewsArticle", "mainEntityOfPage": { "@type": "WebPage", "@id": "https://en.coinotag.com/articles/bitcoin-etf-volume-oct-2025" }, "headline": "BlackRock and Fidelity Drive $5.48B Trading Day as Bitcoin ETF Inflows Hit $1.19B", "datePublished": "2025-10-07T08:00:00Z", "dateModified": "2025-10-07T12:00:00Z", "author": { "@type": "Organization", "name": "COINOTAG" }, "publisher": { "@type": "Organization", "name": "COINOTAG", "logo": { "@type": "ImageObject", "url": "https://en.coinotag.com/assets/logo.png" } }, "description": "Bitcoin ETF inflows surged as BlackRock's IBIT neared $100B in AUM, with combined BlackRock–Fidelity trading hitting $5.48B and total spot Bitcoin ETF inflows of $1.19B.", "keywords": "Bitcoin ETF inflows, IBIT AUM, Ethereum ETFs, institutional inflows, spot Bitcoin ETFs"} { "@context": "https://schema.org", "@type": "HowTo", "name": "How to monitor Bitcoin ETF inflows and market impact", "description": "A short process to track ETF inflows, AUM changes and trading volume to assess institutional activity in spot Bitcoin ETFs.", "step": [ { "@type": "HowToStep", "name": "Check daily ETF inflow reports", "text": "Review official ETF flow summaries and fund updates to capture net inflows and outflows for major funds like IBIT and FBTC." }, { "@type": "HowToStep", "name": "Monitor assets under management (AUM)", "text": "Track AUM movements for leading funds; rapid AUM gains can indicate concentrated institutional accumulation." }, { "@type": "HowToStep", "name": "Compare trading value to market cap", "text": "Compare daily ETF trading value to Bitcoin's market capitalization to gauge the scale of ETF activity relative to the broader market." } ]} { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Which funds led the Bitcoin ETF inflows on the busiest trading day?", "acceptedAnswer": { "@type": "Answer", "text": "BlackRock’s IBIT led with $969.95M in inflows, followed by Fidelity’s FBTC with $112.32M, Bitwise’s BITB with $60.12M, and Grayscale’s BTC with $30.55M." } }, { "@type": "Question", "name": "How large were total Bitcoin and Ethereum ETF trading values that day?", "acceptedAnswer": { "@type": "Answer", "text": "Spot Bitcoin ETFs reached $6.53B in daily trading value, while Ethereum ETFs recorded $2.65B in trading value, reflecting significant institutional participation." } }, { "@type": "Question", "name": "What does IBIT nearing $100B AUM mean for the market?", "acceptedAnswer": { "@type": "Answer", "text": "IBIT approaching $100B suggests concentrated institutional holdings that increase market liquidity, support tighter spreads, and signal broader acceptance of spot Bitcoin ETFs by major asset managers." } } ]} Frequently Asked Questions How much did spot Bitcoin ETFs receive in net inflows on the reported day? Spot Bitcoin ETFs recorded $1.19B in net inflows, led by IBIT’s $969.95M. This was the second‑largest single‑day inflow for U.S. spot Bitcoin ETFs, behind a $1.37B inflow on November 7, 2024. Why are institutional inflows significant for Bitcoin prices? Institutional inflows increase demand from large, diversified portfolios and boost ETF liquidity, which can reduce volatility and support higher price levels. Major fund allocations also attract secondary market participation. How did Ethereum ETFs perform relative to Bitcoin ETFs? Ethereum ETFs posted $176.56M in inflows with $2.65B in trading value. BlackRock’s ETHA led ETH inflows with $92.59M, and total ETH ETF AUM was approximately $32.01B, representing a smaller but growing institutional allocation compared to Bitcoin ETFs. Key Takeaways Market momentum : BlackRock and Fidelity drove a $5.48B trading day as spot Bitcoin ETFs saw $1.19B in inflows. IBIT dominance : IBIT led inflows with $969.95M and is nearing ~$98.5B AUM, underscoring concentrated institutional demand. Ethereum continued growth : ETH ETFs gained $176.56M and $2.65B in trading value, showing rising institutional interest beyond Bitcoin. Conclusion Institutional demand for spot crypto ETFs remains strong as BlackRock’s IBIT edges toward $100B AUM and combined BlackRock–Fidelity trading surpasses $5.48B. These flows and robust trading values highlight the increasing role of traditional asset managers in crypto markets. Monitor ETF AUM and daily trading values for the clearest signals of ongoing institutional accumulation.