Bitcoin exchange-traded funds (ETFs) recorded a significant outflow of $277.4 million on December 16. BlackRock's IBIT ETF led the withdrawals with $210 million, while Bitwise's BITB saw a reduction of $50.93 million. In contrast, Fidelity's FBTC ETF experienced an inflow of $26.72 million. This movement indicates diverse investor strategies and risk assessments, with some traders possibly repositioning in anticipation of market volatility. The activity underscores the dynamic nature of the Bitcoin ETF market.