Written by Helen Partzstaff writerReviewed by Yohan Yunstaff editor

Written by Helen Partzstaff writer

Reviewed by Yohan Yunstaff editor

Bitcoin ETFs notch best month of 2026 as BTC gains 25% in August

MarketsPublishedSep 2, 2026

US spot Bitcoin ETFs reduced their year-to-date net outflows by 66% as Bitcoin gained about 25% in August, while Ether ETFs turned positive YTD at $732 million and XRP ETFs reached $502 million.

US-listed spot Bitcoin exchange-traded funds (ETFs) capped their best month of 2026 alongside Bitcoin’s biggest monthly gain since November 2024.

Bitcoin ETFs attracted $3.52 billion in net inflows in August, their highest monthly total of 2026 and a sharp rise from just $172 million in inflows in July, as reported by SoSoValue data.

Bitcoin (BTC) gained about 25% in August, its strongest monthly performance since a 37.29% rally in November 2024, as reported by CoinGlass.

The August momentum quickly gave way to a weaker start to September, as ETF flows turned negative and Bitcoin briefly fell below $77,000.

August cuts year-to-date outflows by 66% to $1.77B

August’s $3.52 billion in Bitcoin ETF inflows cut year-to-date net outflows by roughly 66%, from $5.29 billion to $1.77 billion.

The biggest monthly outflows came in June at $4.51 billion, followed by $2.43 billion in May and $1.61 billion in January, as reported by SoSoValue data.

Monthly flows into US spot Bitcoin ETFs in 2026. Source: SoSoValue

The funds recorded net inflows on 16 of 21 trading days in August, including nine consecutive sessions from Aug. 17 through Aug. 27.

Total net assets rose to $99.61 billion at the end of August from $76.29 billion at the end of July, an rise of about 31%. Monthly trading volume climbed nearly 49% to $58.63 billion from $39.37 billion.

September starts with $236M in Bitcoin ETF outflows

US spot Bitcoin ETFs started September with $236.46 million in net outflows on Tuesday, reversing the $216.70 million in net inflows recorded on Monday. The withdrawal marked the largest daily outflow since July 31, when the funds shed $265.37 million.

The reversal came as Bitcoin briefly fell below $77,000 on Tuesday after trading above $80,000 in late August, as reported by CoinGecko.

Related: Strategy buys $370M Bitcoin in first corporate purchase since June

Ether and XRP ETFs remained in positive territory on Tuesday. Spot Ether (ETH) ETFs attracted around $11 million on Tuesday, while spot XRP (XRP) ETFs drew $14.4 million.

August pushed Ether ETFs into positive territory for 2026, with $732 million in year-to-date net inflows after they ended July about $1.12 billion in the red.

XRP ETFs reached $502 million in year-to-date net inflows, up about 46% from $343 million at the end of July.

Magazine: Does the Bitcoin rally mean we haven’t wasted our lives in crypto?

This article is produced in accordance with Cointelegraph’s Editorial Policy and is intended for informational purposes only. It does not constitute investment advice or recommendations. All investments and trades carry risk; readers are encouraged to conduct independent research.

• Bitcoin Price
• Bitcoin ETF
• Ethereum ETF
• XRP
• Bitcoin

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