ProShares' bitcoin futures exchange-traded fund to start tr… stocking 0 57 2021.10.19 15:08 https://youtu.be/_ibu09_4HqY + 32 미국 첫 비트코인 선물 ETF, 19일 뉴욕증권거래소 '데뷔' The first bitcoin-linked exchange-traded fund will make its official debut on a U.S. exchange this Tuesday.