28
The U.S.-listed spot ETFs have also seen a strong uptake, pulling in nearly $1.9 billion in investor money since Oct. 14, according to data source Farside Investors. In bitcoin terms, that is the equivalent of 21,450 BTC. To put this into perspective, the bitcoin ETF investors have purchased around 48 days of mined supply, as roughly 450 BTC get mined daily.