Bitcoin and Ethereum ETFs Score Biggest Week Since October with $2.3 Billion

US-listed Bitcoin and Ethereum exchange-traded funds each recorded their largest week since October 2025, drawing a combined $2.6 billion in the seven days ended August 21.Bitcoin products captured $1.92 billion of that sum. Ethereum funds added $697.18 million, reversing a $391.96 million combined outflow the previous week.Bitcoin and Ethereum ETFs Hit Biggest Weekly Inflow in 10 MonthsAccording to SoSoValue, Bitcoin funds recorded five consecutive days of net inflows from August 17 to August 21. The run included a on August 20.Trading activity climbed alongside the money. Weekly volume in BTC funds reached $22.15 billion, roughly triple the prior week’s total.The week interrupts a long retreat. Cumulative net inflows into Bitcoin ETFs peaked at $62.77 billion in October 2025 and have since fallen to $53.71 billion.Ethereum path. Their largest daily intake since October landed on August 20 at $220.77 million. Total assets, however, remain 53% below the August 2025 high.The annual picture stays negative for both. BTC funds have shed $2.91 billion in 2026 and ETH products $177.93 million, leaving each on track for its first losing year since launch. to get the latest news as it happensAssets Grew 9 Times More Than New MoneyThe flow figures understate what actually moved. Combined assets across both products rose by about $23 billion last week, compared with $2.6 billion in creations.Stripping out flows, the implied gain in the underlying holdings reached 22.9% for Bitcoin and 29.2% for Ethereum. Three sessions from August 19 to August 21 produced most of it.Revaluation, therefore, did the heavy lifting. Bitcoin traded near $77,125 at press time, while Ethereum changed hands at $2,423.Altcoin Funds Extend the RunOther major US altcoin spot ETFs also posted net inflows over the same week. XRP ETFs led with $39.78 million and set a record for weekly trading volume at $271.74 million.Solana products followed with $28.34 million, marking an eighth consecutive week of inflows. Chainlink funds drew $13.35 million, their second-largest week since launching in December. Assets closed at a record $171.59 million.Hyperliquid (HYPE) products added $3.89 million and also finished at record assets of $360.39 million. Dogecoin funds trailed the group with $654,416.Subscribe to our YouTube channel to watch leaders and journalists provide expert insights