Federal Funds Rate
Interest rate at which banks lend reserves to each other overnight, set by the Federal Reserve.
The federal funds rate is the interest rate at which depository institutions (commercial banks and credit unions) lend reserve balances to each other on an overnight basis. It is the primary monetary policy tool of the Federal Reserve (the Fed), which sets a target range for the rate through its Federal Open Market Committee (FOMC), which meets eight times per year.
The Fed does not directly set the federal funds rate but influences it through open market operations (buying and selling Treasury securities), the interest rate on reserve balances (IORB), and the overnight reverse repurchase agreement (ON RRP) rate. These tools create a corridor within which the actual fed funds rate trades.
The federal funds rate propagates throughout the entire economy via a transmission mechanism: it directly influences short-term borrowing costs (prime rate, SOFR, Treasury bills), which in turn affect consumer lending rates (credit cards, auto loans, adjustable-rate mortgages), business borrowing costs (commercial loans, bonds), and asset valuations (stock prices, real estate).
Fed funds rate changes are the primary tool for achieving the Fed's dual mandate: maximum employment and price stability (2% inflation target). The Fed cuts rates to stimulate economic activity during recessions and raises rates to combat inflation during overheating. The dramatic rate hiking cycle of 2022–2023 (from near-zero to 5.25–5.50%) and subsequent easing illustrates this countercyclical function.
Financial software and planning tools track fed funds rate forecasts (implied by federal funds futures markets) because changes in the rate affect discount rates, valuations, and borrowing costs across all financial models.
FAQs
How does the federal funds rate affect mortgage rates?
The federal funds rate does not directly set mortgage rates, but it strongly influences them through its effect on short-term borrowing costs and monetary policy expectations. Adjustable-rate mortgages (ARMs) are closely tied to short-term indices (SOFR, Treasury yields) that move with the fed funds rate. Fixed-rate mortgages are more closely tied to 10-year Treasury yields, which reflect long-term inflation expectations rather than just the current fed funds rate. When the Fed raises rates aggressively, both short and long-term rates often rise, increasing all mortgage rates, though the relationship is not one-to-one.
What is the difference between the federal funds rate and the prime rate?
The federal funds rate is the overnight interbank lending rate set by the Federal Reserve for lending between banks. The prime rate is the rate that commercial banks charge their most creditworthy corporate customers for short-term loans. The prime rate is conventionally set at the federal funds rate plus 3 percentage points (so when the fed funds rate is 5.00–5.25%, the prime rate is 8.00–8.25%). Consumer lending products tied to prime (home equity lines of credit, some credit cards) adjust automatically when the prime rate changes following Fed rate decisions.
How do businesses use federal funds rate forecasts in financial planning?
Businesses use fed funds rate forecasts to plan borrowing costs, evaluate capital structure decisions, and model future cash flows. A company considering issuing fixed-rate debt will watch rate expectations before locking in; if rates are expected to fall, waiting may be preferable. Businesses with variable-rate debt (linked to SOFR or prime) model interest expense sensitivity to rate changes. Treasury teams use rate forecasts to manage short-term investment yields and hedging strategies. Real estate investors model cap rates and property values under different rate scenarios because real estate valuations are highly sensitive to discount rate changes.
Related Terms
Prime Rate
Benchmark lending rate charged by banks to their most creditworthy customers, tracking the federal funds rate.
SOFR
Secured Overnight Financing Rate, the primary U.S. replacement for LIBOR, based on overnight Treasury repo transactions.
Yield Curve
Graph of interest rates across different maturities for similar credit quality bonds, typically U.S. Treasuries.
Bridge Loan
Short-term financing used temporarily until permanent long-term funding is arranged.
