Bitcoin ETFs recorded a net outflow of 2,689 BTC worth $209.79 million on August 31, while their seven-day net inflow stood at 11,724 BTC valued at $914.72 million. Ethereum ETFs posted a net daily inflow of 31,399 ETH worth $76.99 million. Over the past seven days, Ethereum ETF net inflows reached 302,035 ETH, equivalent to $740.57 million.