Bitcoin ETFs attract $3.52 billion in August as BTC gains about 25%

US-listed spot Bitcoin ETFs attracted $3.52 billion in net inflows in August. The funds recorded their highest monthly inflow total of 2026. The funds also recorded their best month of 2026. Bitcoin gained about 25% in August. Bitcoin had its strongest monthly performance since a 37.29% rally in November 2024, according to CoinGlass. August inflows reduced the ETFs' year-to-date net outflows by 66%. Year-to-date net outflows ended August at $1.77 billion. July produced $172 million in net inflows, according to SoSoValue. June produced the largest monthly outflow at $4.51 billion. May recorded $2.43 billion in outflows. January recorded $1.61 billion in outflows. The funds recorded net inflows on 16 of 21 trading days in August. The funds recorded inflows during nine consecutive sessions from Aug. 17 through Aug. 27. Total net assets reached $99.61 billion at the end of August. Total net assets were $76.29 billion at the end of July. Total net assets increased about 31%. Monthly trading volume reached $58.63 billion in August. Monthly trading volume was $39.37 billion in July. Monthly trading volume increased nearly 49%. US spot Bitcoin ETFs recorded $236.46 million in net outflows on Tuesday at the start of September. The funds recorded $216.70 million in net inflows on Monday. The Tuesday withdrawal was the largest daily outflow since July 31. Bitcoin briefly fell below $77,000 on Tuesday after trading above $80,000 in late August, according to CoinGecko. Spot Ether ETFs attracted around $11 million on Tuesday. Spot XRP ETFs attracted $14.4 million on Tuesday. Ether ETFs reached $732 million in year-to-date net inflows after ending July about $1.12 billion in the red. XRP ETFs reached $502 million in year-to-date net inflows. XRP ETF inflows were about 46% higher than the $343 million recorded at the end of July.