The Federal Reserve (Fed) injected $16 billion into the US banking system on December 30, marking the second-largest liquidity operation since the COVID-19 crisis. These funds were supplied through overnight repurchase agreements (repos), pushing the total amount of Treasury securities purchased via repos in December to $40. 32 billion. The scale of the intervention has reignited debate over hidden stress in short-term funding markets, and what rising global liquidity ultimately means for risk assets, including Bitcoin
source: https://beincrypto.com/fed-liquidity-injection-global-record-2025/