Bitcoin jumped to $47,600 Friday U.S. morning hours, then quickly sold off 2%. Spot bitcoin ETFs saw over $400 million in inflows Thursday, their best day since Jan. 17, BitMex Research data shows. Bitcoin (BTC) climbed past $47,000 Friday as U.S.-based spot bitcoin exchange-traded funds (ETFs) booked one of their largest net inflows Thursday since their debut.