the 4 key interest rates set by the FED are: 1️⃣ Overnight Reverse Repo Rate (ON RRP) 2️⃣ Interest on Reserve Balances (IORB) 3️⃣ Discount Rate - also known as Lending Rate 4️⃣ Standing Repo Facility (SRF) we'l cover them in this order in follow-up posts