Bitcoin ETFs experienced a net outflow of $188.38 million on December 23, with BlackRock's IBIT leading the redemptions at $157.08 million. Fidelity's FBTC and Bitwise's BITB also saw outflows of $15.30 million and $5.72 million, respectively. Other ETFs, including those from Ark Invest, Invesco, Franklin, Valkyrie, VanEck, and WisdomTree, reported no net changes. Grayscale's GBTC recorded a $10.28 million outflow, while its Mini BTC ETF remained unchanged.