US-listed spot Bitcoin exchange-traded funds (ETFs) capped their finest month of 2026 alongside Bitcoin’s largest month-to-month achieve since November 2024.
Bitcoin ETFs attracted $3.52 billion in web inflows in August, their highest month-to-month complete of 2026 and a pointy improve from simply $172 million in inflows in July, based on SoSoValue knowledge.
Bitcoin (BTC) gained about 25% in August, its strongest month-to-month efficiency since a 37.29% rally in November 2024, based on CoinGlass.
The August momentum rapidly gave approach to a weaker begin to September, as ETF flows turned unfavourable and Bitcoin briefly fell beneath $77,000.
August cuts year-to-date outflows by 66% to $1.77B
August’s $3.52 billion in Bitcoin ETF inflows lower year-to-date web outflows by roughly 66%, from $5.29 billion to $1.77 billion.
The largest month-to-month outflows got here in June at $4.51 billion, adopted by $2.43 billion in Could and $1.61 billion in January, based on SoSoValue knowledge.

Month-to-month flows into US spot Bitcoin ETFs in 2026. Supply: SoSoValue
The funds recorded web inflows on 16 of 21 buying and selling days in August, together with 9 consecutive classes from Aug. 17 by Aug. 27.
Complete web property rose to $99.61 billion on the finish of August from $76.29 billion on the finish of July, a rise of about 31%. Month-to-month buying and selling quantity climbed practically 49% to $58.63 billion from $39.37 billion.
September begins with $236M in Bitcoin ETF outflows
US spot Bitcoin ETFs began September with $236.46 million in web outflows on Tuesday, reversing the $216.70 million in web inflows recorded on Monday. The withdrawal marked the most important each day outflow since July 31, when the funds shed $265.37 million.
The reversal got here as Bitcoin briefly fell beneath $77,000 on Tuesday after buying and selling above $80,000 in late August, based on CoinGecko.
Ether and $XRP ETFs remained in optimistic territory on Tuesday. Spot Ether (ETH) ETFs attracted round $11 million on Tuesday, whereas spot $XRP ($XRP) ETFs drew $14.4 million.
August pushed Ether ETFs into optimistic territory for 2026, with $732 million in year-to-date web inflows after they ended July about $1.12 billion within the pink.
$XRP ETFs reached $502 million in year-to-date web inflows, up about 46% from $343 million on the finish of July.




