BitMEX Research statistics show that on the 6th day after the approval of Bitcoin spot ETF, GBTC's share count for the 6th day (January 19) indicates an outflow of $590 million, with a total outflow from GBTC being $2.8 billion. Bitwise saw an inflow of $56 million on its sixth day, and a total inflow over six days amounting to $450 million. In addition, Grayscale's daily data appears oddly consistent, with outflows typically slightly less than $600 million:
Day 1 saw an outflow of $95.1 million;
Day 2 had an outflow of $484.1 million;
Day 3 recorded an outflow of $594.4 million;
Day 4 experienced an outflow of $460.6 million;
Day 5 reported an outflow of $582.3million; and finally,
Day 6 registered an outflow of$590.4million.