US spot Bitcoin exchange-traded funds recorded $526.7 million in net inflows on Monday, their largest daily intake since September 22, according to Farside Investors. BlackRock's iShares Bitcoin Trust led with $665.2 million in inflows, partly offset by withdrawals from Fidelity and Grayscale funds. US spot Bitcoin ETFs remained about $88 million in net outflows for October, according to Farside's daily figures. US spot Ether ETFs recorded $103.3 million in net outflows on Monday.