According to the source, Bitcoin traders are monitoring potential shifts in the Federal Reserve balance sheet because the weekly H.4.1 release details total assets and reserve balances that indicate U.S. dollar liquidity conditions relevant for risk assets like BTC, as published by the Federal Reserve Board at https://www.federalreserve.gov/releases/h41.htm. Key liquidity channels include the Overnight Reverse Repo Facility, where changes in outstanding balances reflect shifts between money funds and bank reserves, with daily operation results published by the Federal Reserve Bank of New York at https://www.newyorkfed.org/markets/desk-operations/reverse-repo. Flows in the Treasury General Account at the Fed can drain or add reserves to the banking system, and traders track the TGA via the U.S. Treasury’s Daily Treasury Statement at https://fiscaldata.treasury.gov/dts.