According to Farside Investors, the data for the US spot Bitcoin ETF and spot Ethereum ETF as of September 23 is as follows: Spot Bitcoin ETF: GBTC had a net outflow of $40.3 million; BTC had a net inflow of $8.4 million. Spot Ethereum ETF: ETHE had a net outflow of $80.6 million; ETH had no funds flowing in or out.