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

US spot Bitcoin ETFs recorded their strongest month of 2026 in August as Bitcoin (BTC) gained about 25%, according to Cointelegraph. The performance also reduced the funds’ year-to-date net outflows by 66%, narrowing the cumulative deficit for the year. Flows into other crypto exchange-traded products also improved during the period. Ether (ETH) ETFs moved into positive year-to-date territory, reaching $732 million, while XRP ETFs recorded $502 million in year-to-date flows. The figures highlight a stronger month for crypto ETF demand across Bitcoin, Ether and XRP products. Bitcoin’s August advance coincided with the improvement in ETF flows, while Ether and XRP products maintained positive cumulative totals by the end of the month.