Inflows into exchange-traded funds for Bitcoin and Ethereum — $2.6 billion in a week

bitcoin and ethereum etf inflows became the main signal of the week in the US crypto fund market: from August 17 to 21, exchange-traded funds for Bitcoin and Ethereum received $2.6 billion, showing the strongest weekly result since October 2025.

The key numbers of the week look like this.

• Bitcoin and Ethereum ETFs combined — inflow of $2.6 billion; total asset value increased by about $23 billion.
• Bitcoin ETF — inflow of $1.92 billion; this category provided the main part of the weekly result.
• Ethereum ETF — inflow of $697.18 million; Ethereum-based products recovered after an outflow the previous week.

American spot ETFs for Bitcoin and Ethereum significantly strengthened their positions after a period of weak dynamics. Bitcoin funds saw $1.92 billion in inflows for the week. Ethereum-based products attracted $697.18 million, thereby offsetting the $391.96 million outflow seen a week earlier.

This is an important shift in sentiment for the cryptocurrency market. Investors are again looking more actively toward digital assets, but the overall background still requires caution. The main risk factors remain the same.

• Risk of sharp drawdowns.
• Volatility of the underlying asset price.
• The impact of regulation on the launch, availability, and demand for ETFs.