Interest on Reserve Balances (IORB) is the rate FED pays banks on their excess reserves
commercial banks have reserve accounts at the FED. regulations define the minimum amounts - any excess earns the IORB interest rate set by the FED
the 4 key interest rates set by the FED are:
1๏ธโฃ Overnight Reverse Repo Rate (ON RRP)
2๏ธโฃ Interest on Reserve Balances (IORB)
3๏ธโฃ Discount Rate - also known as Lending Rate
4๏ธโฃ Standing Repo Facility (SRF)
we'l cover them in this order in follow-up posts