Economy

Federal Funds Rate: Definition

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Simple Definition

The Fed's benchmark short-term interest rate — the rate banks charge each other for overnight loans, which the FOMC sets as a target range. It's the lever almost every other U.S. interest rate keys off of.

Why It Matters

When people say "the Fed raised/cut rates," this is the rate they mean. It cascades into mortgage rates, credit-card APRs, savings-account yields, and the discount rate used to value stocks. Moving this one number is the Fed's primary way of speeding up or cooling down the whole economy.

Key Points

  • Set as a target range (e.g., 3.50%–3.75%), not a single number.
  • Drives borrowing costs across the economy and the "risk-free" rate markets price off.
  • Higher fund rate = costlier borrowing + tougher competition for stocks from cash/bonds.

Learn More

Foundation Lesson

How the Fed Sets Interest Rates

Get a complete explanation with examples, key takeaways, and a quiz to test your knowledge.

Related Terms

Common Questions

The Fed's benchmark short-term interest rate — the rate banks charge each other for overnight loans, which the FOMC sets as a target range. It's the lever almost every other U.S. interest rate keys off of. When people say "the Fed raised/cut rates," this is the rate they mean. It cascades into mortgage rates, credit-card APRs, savings-account yields, and the discount rate used to value stocks.

When people say "the Fed raised/cut rates," this is the rate they mean. It cascades into mortgage rates, credit-card APRs, savings-account yields, and the discount rate used to value stocks. Moving this one number is the Fed's primary way of speeding up or cooling down the whole economy.

Set as a target range (e.g., 3.50%–3.75%), not a single number.

Drives borrowing costs across the economy and the "risk-free" rate markets price off.

Higher fund rate = costlier borrowing + tougher competition for stocks from cash/bonds.