Spot Bitcoin and Ethereum exchange-traded funds (ETFs) traded in the US were affected by investor outflows on June 18. Spot Bitcoin and spot Ethereum exchange-traded funds (ETFs) traded in the US were affected by investor outflows on June 18. According to the latest data, both Bitcoin and Ethereum-focused ETFs recorded net outflows for the second consecutive trading day. This is seen as one of the developments indicating a short-term weakening of institutional investor appetite in the cryptocurrency markets.