The stock of cash the banking system holds at the Fed, and the quantity every funding flow in this beat is drawn against. The reverse repo facility and the Treasury's cash balance both drain it, and repo firms when it gets scarce rather than when it gets small.
30 days to 4 Oct 2026 · $2,930,193m to $3,013,794m
This page shows the last 30 days. Bank reserve balances has 1,152 readings in the warehouse, back to 8 Sept 2004. A plan opens the rest of it, with CSV export and the analyst.
Series retrieved from FRED, Federal Reserve Bank of St. Louis, and cited to the agencies that produced them: U.S. Bureau of Labor Statistics, U.S. Bureau of Economic Analysis, U.S. Employment and Training Administration, and the Board of Governors of the Federal Reserve System. This product uses the FRED® API but is not endorsed or certified by the Federal Reserve Bank of St. Louis.
Reserve balances held by depository institutions at Federal Reserve Banks, week ending Wednesday, in millions of US dollars. The quantity of cash the banking system actually holds, and the denominator every funding stress story is told against.
Informational research only. Nothing here is personalised investment advice.