Lookonchain reported that Bitcoin ETFs experienced a net outflow of 4,300 BTC (worth $328 million) on September 17, with a 7-day net outflow reaching 12,061 BTC ($919.92 million). Ethereum ETFs also saw a net outflow of 76,217 ETH ($186.28 million) on the same day, and a 7-day net outflow of 32,343 ETH ($79.05 million).