BlackRock's Bitcoin spot ETF, IBIT, recorded the highest single-day net inflow of $51.13 million on December 12, according to SoSoValue data. This inflow contributed to a total net inflow of $49.16 million across all Bitcoin spot ETFs on the same day, with BlackRock's IBIT being the sole contributor. The historical total net inflow for IBIT has now reached $62.732 billion.