Lookonchain data shows that as of September 14, Bitcoin ETFs saw a net outflow of 933 Bitcoins (approximately $72.67 million), while Ethereum ETFs experienced a net inflow of 74,493 Ethereums (approximately $186.65 million). Over the past 7 days, Bitcoin ETFs had a cumulative net outflow of 5,892 Bitcoins (approximately $458.93 million), and Ethereum ETFs had a cumulative net inflow of 31,407 Ethereums (approximately $78.70 million).