Bitcoin and Ethereum ETFs pull in $877M in a single day as institutional appetite surges

US spot Bitcoin ETFs vacuumed up $714.7 million on September 22, while their Ethereum counterparts added roughly $162 million. Combined, that's nearly $877 million in fresh capital flowing into crypto ETFs in a single trading session, translating to over 7,000 BTC and 67,000 ETH worth of net buying…