Reserve balances rise when supplying factors expand faster than absorbing factors, and fall when absorption dominates.
- Securities held outright: face value of Treasury bonds, agency debt, and mortgage-backed securities guaranteed by Fannie Mae, Freddie Mac, and Ginnie Mae. It includes inflation compensation.
- Loans and repurchase agreements: Fed lending to banks (primary, secondary, seasonal, emergency credit) plus cash loans against collateral, with unamortized premiums and discounts.
- Other supplying assets: float (payment delays), liquidity swaps (dollars exchanged with foreign central banks), gold, SDR certificates, Treasury currency, and other Fed assets.
- Currency in circulation: paper notes held by the public, which absorb reserves when demand rises.
- Reverse repurchase agreements: short-term Fed borrowing that temporarily drains cash, split into foreign official and other users.
- Non-reserve deposits and other liabilities: Treasury General Account (government checking balance), foreign, term, and other deposits, facility contributions, and capital, which can print negative.
The April 14, 2022 release, covering April 13, 2022, captured the quantitative easing peak (large bond buying) before runoff began in June 2022. It showed supplying factors at 8,992,579 and securities at 8,482,935, including 5,761,686 in Treasury securities, all in millions of dollars of daily averages. Reserve Bank credit (total Fed lending and holdings) stood at 8,906,114, with reserve balances at 3,823,644. By April 11, 2024, runoff (letting holdings mature) cut credit to 7,401,571, down 1,184,904 year-on-year, with supplying factors at 7,488,659 and reserves at 3,586,845.