What the Federal Reserve Actually Does

The Federal Reserve is the central bank of the United States. It was created in 1913 to prevent banking panics, stabilize the dollar, and keep employment high. Most people know it exists. Few understand what it actually controls or how that control reaches into everyday finances.

The Fed Funds Rate

The Federal Funds Rate is the interest rate at which banks lend money to each other overnight. Banks are required to hold a minimum percentage of deposits in reserve. When one bank has excess reserves and another needs a short-term loan, they transact at the Fed Funds Rate.

The Fed doesn't set this rate by decree. It targets it by buying and selling Treasury securities, which expands or contracts the money supply until the overnight rate lands where the Fed wants it.

How It Flows to You

The Fed Funds Rate is the floor. Everything else prices off it:

• Prime Rate: Banks lend to their best customers at roughly Fed Funds Rate + 3%. Most consumer loans are priced relative to Prime.
• Mortgage rates: Tied to 10-year Treasury yields, which move with (but not identically to) the Fed Funds Rate. When the Fed raises, mortgage rates typically rise within weeks.
• Credit card APR: Variable-rate cards adjust to Prime almost immediately. When the Fed raises by 0.25%, your credit card APR often rises by 0.25% within one or two billing cycles.
• High-yield savings accounts: Online banks pass most of the Fed Funds Rate increase to depositors to attract deposits. When rates are high, HYSA yields are high. When the Fed cuts, yields fall.
• Auto loans: Tied to shorter-term Treasury rates, which track the Fed closely.

Why the Fed Raises and Lowers Rates

The Fed has two mandates: price stability (keeping inflation around 2%) and maximum employment. These goals sometimes conflict.

• Inflation too high: The Fed raises rates. Credit becomes more expensive, spending slows, businesses hire less, demand drops, prices stabilize. The trade-off is slower growth and higher unemployment.
• Unemployment too high: The Fed cuts rates. Credit becomes cheaper, businesses borrow and expand, hiring increases. The trade-off is potential inflation from too much demand chasing too few goods.

The 2022-2023 rate hike cycle went from 0.25% to 5.25% in 18 months to combat 7-9% inflation. Your mortgage rate, car loan, and credit card felt every step of that move.

The Federal Reserve is not your friend or your enemy. It's a thermostat. Understand what temperature it's trying to set and plan accordingly.