US spot Bitcoin ETFs log nearly $1 billion in daily inflows as Ether funds add $270 million
U.S. spot Bitcoin exchange-traded funds recorded nearly $1 billion in net inflows on Sept. 21, marking their largest daily inflow since October 2025, while spot Ether ETFs brought in $270 million.
U.S. spot Bitcoin exchange-traded funds recorded approximately $999 million in net inflows on Monday, Sept. 21, marking their highest single-day intake since October 2025 and the ninth-largest daily inflow since launching in January 2024. Several outlets, including CoinDesk and The Block, noted the intake was the largest since Oct. 6, 2025, when Bitcoin reached an all-time high of $126,000. Bloomberg Intelligence senior ETF analyst Eric Balchunas described the day's haul as exceeding $1 billion, noting that the volume likely reflected market action from the previous Friday.[1][2][3][7][8][9][10][11]
Demand was led by BlackRock's IBIT, which brought in around $381 million on the day. Ark's ARKB and Fidelity's FBTC also registered major contributions, drawing $289.12 million and $238.84 million, respectively. CryptoSlate reported that the spot funds absorbed roughly 11,500 BTC during the session. The fresh capital brought total September inflows for Bitcoin ETFs to $1.3 billion, following $3.5 billion logged in August.[1][2][4][8][10][11]
Spot Ether ETFs similarly posted their strongest day in months, securing $270 million in net inflows on Sept. 21, led by $110 million into BlackRock's ETHA. The heavy ETF demand accompanied market-wide price surges, as Bitcoin briefly traded above $87,000—touching a multi-month high above $87,300—and Ethereum advanced past $2,700.[2][3][5][6][8]
Key facts
- U.S. spot Bitcoin ETFs registered approximately $999 million in net inflows on Sept. 21, 2026, marking their largest daily inflow since October 2025.
- The intake represented the ninth-largest daily net inflow for spot Bitcoin ETFs since their launch in January 2024.
- BlackRock's IBIT led all Bitcoin ETFs with $381 million in inflows, followed by Ark's ARKB with $289.12 million and Fidelity's FBTC with $238.84 million.
- U.S. spot Ether ETFs attracted $270 million on Sept. 21, their highest daily inflow since October 2025, with $110 million going into BlackRock's ETHA.
- Bloomberg Intelligence analyst Eric Balchunas reported the combined Bitcoin ETF total at over $1 billion and noted the inflows likely reflected Friday trading.
- During the surge in inflows, Bitcoin rose above $87,000 to touch a multi-month high, while Ethereum climbed above $2,700.
Sources · 11 sources
- CN
crypto.news@cryptodotnewsPost on X ·
JUST IN: U.S. spot Bitcoin ETFs pull nearly $1 billion in a single day The funds recorded $999.00 million in net inflows on Monday, the ninth-largest daily inflow ever, led by BlackRock’s IBIT at $381.37 million, Ark’s ARKB at $289.12 million and Fidelity’s FBTC at $238.84 million.
Open source - WB
Wu Blockchain@WuBlockchainPost on X ·
U.S. spot Bitcoin ETFs recorded $999 million in net inflows on Sept. 21, according to SoSoValue, led by BlackRock’s IBIT with $381 million. Spot Ether ETFs added another $270 million, with BlackRock’s ETHA attracting $110 million. https://t.co/RtvSstQVGl
Open source - TB
The Block@TheBlockCoPost on X ·
THE BLOCK: US spot bitcoin ETFs saw $999 million in net inflows on Monday, the largest single-day amount the funds have attracted since Oct. 6, 2025. Bitcoin briefly surged above $87,300 to a multi-month high. Spot ether ETFs also logged $270 million worth of inflows, the largest amount since Oct. 7, 2025. bitcoin:native ethereum:native
Open source - CR
CryptoSlate@CryptoSlatePost on X ·
Bitcoin ETFs just absorbed about 11,500 BTC in a single day, their biggest net intake in nearly two years. US spot funds pulled in $999 million on Sept. 21, led by BlackRock, ARK 21Shares and Fidelity. The next set of flow data will show whether that demand continued as Bitcoin pushed through $86,000. https://t.co/PtSbuocV60
Open source - CB
Coin Bureau@coinbureauPost on X ·
📊DATA: Crypto ETFs see their BIGGEST inflows since the October 10 crash. US Spot Bitcoin ETFs recorded $999M, while Ethereum ETFs added $270M, both marking 11-month highs. The surge came as $BTC surged above $86k and $ETH broke above $2.7k, both 8-month highs.
Open source - WI
Whale Insider@WhaleInsiderPost on X ·
JUST IN: BlackRock and other $ETH ETF issuers record a combined $269.98 million in inflows. https://t.co/Lt6WCnZZ81
Open source - CO
CoinDesk@CoinDeskPost on X ·
MARKETS: U.S. spot $BTC ETFs pull in $999M on Monday, the largest daily inflow since $BTC hit its all-time high of $126K on October 6, 2025. https://t.co/lBoDziPFXA
Open source - TW
The Wolf Of All Streets@scottmelkerPost on X ·
Spot Bitcoin $BTC ETFs attracted +$999 million in inflows on Monday, their largest daily intake since October 2025. This was also the 9th-largest daily inflow since Bitcoin ETFs launched in January 2024. Demand was led by BlackRock’s $IBIT, which took in +$381 million. At the same time, spot Ethereum $ETH ETFs pulled in +$270 million, their largest daily inflow since October 2025. So far in September, Bitcoin ETFs have attracted +$1.3 billion, after +$3.5 billion in August. Bitcoin briefly traded above $87,000, its highest level since January. Institutional crypto demand is back in size.
Open source - CO
Cointelegraph@CointelegraphPost on X ·
⚡️ BIG: According to Bloomberg Intelligence Senior ETF Analyst Eric Balchunas, US spot Bitcoin ETFs recorded over $1 billion in inflows, their biggest single-day haul since last October. https://t.co/pPnPgU8QW4
Open source - TK
The Kobeissi Letter@KobeissiLetterPost on X ·
BREAKING: Spot Bitcoin ETFs attracted +$999 million in inflows on Monday, their largest daily intake since October 2025. This was also the 9th largest daily inflow since Bitcoin ETFs began trading in January 2024 and follows the +$433 million recorded on Friday. Demand was led by the largest Bitcoin ETF, $IBIT, which attracted +$381 million, its 3rd-largest daily inflow since January. Over the last 3 trading days, $IBIT has posted a combined +$665 million in inflows. So far in September, Bitcoin ETFs have attracted +$1.3 billion, after the +$3.5 billion recorded in August. Appetite for crypto is surging.
Open source - EB
Eric Balchunas@EricBalchunasPost on X ·
Bitcoin ETFs with +$1b in flows, biggest one day flow haul since the good old days of last Oct. $IBIT led w $381m (4th overall) while $ARKB & $FBTC had over $200m each, but all of the Big Six contributed. Also keep in mind these flows are prob mostly from Fri's action not yest, so look for more tonight.
Open source