Prime Rate History 2000-2026 and What It Means for Variable-Rate Business Loans

The yearly average shows the long flat stretch at 3.25% from 2009 through 2014, then the jump from 4.85% in 2022 to 8.20% in 2023. The 2026 figure of 6.77% runs only through October 13.

Year-end readings show how fast a borrower's rate could change: prime closed 2021 at 3.25% and closed 2022 at 7.50%.

Prime climbed from 3.25% to 8.50% between March 2022 and July 2023, then came down in small steps to 6.75% before the September 17, 2026 increase to 7.00%.

These are ceilings, not quotes. At a 7.00% prime, the SBA cap on a variable 7(a) loan over $350,000 works out to 10.00%, while loans of $50,000 or less can be priced up to 13.50%.

Every U.S. prime rate change, January 2000 to October 2026

Source: Federal Reserve Bank of St. Louis (FRED), data from Board of Governors of the Federal Reserve System, H.15, Bank Prime Loan Rate (DPRIME), daily. Download as image

Prime rate vs. the Fed's federal funds target at selected dates

Source: Board of Governors of the Federal Reserve System, Open Market Operations: FOMC's target federal funds rate or range, change and level; Federal Reserve Bank of St. Louis (FRED), data from Board of Governors of the Federal Reserve System, H.15, Bank Prime Loan Rate (DPRIME), daily. Download as image

SBA 7(a) maximum interest rates on variable-rate loans

Source: U.S. Small Business Administration, 7(a) loan program: Terms, conditions, and eligibility; Board of Governors of the Federal Reserve System, H.15 Selected Interest Rates. Download as image

What is the prime rate, and who sets it?

The prime rate is the base rate banks use to price a lot of business and consumer credit. No law fixes it. Each bank sets its own, but nearly all large U.S. banks move in step, and the Federal Reserve publishes the common figure in its H.15 release. Most loan agreements point to that common figure, either as the Fed reports it or as the "WSJ Prime Rate" printed by The Wall Street Journal. In practice the two match.

In practice, prime follows the Federal Reserve. When the Fed changes its federal funds target, banks change prime the same day or the next. On September 17, 2026, the Fed moved its target to 3.75-4.00%, and prime moved from 6.75% to 7.00%. Look at the comparison table and you will see the gap between the two has stayed fixed for decades, which is why prime is so predictable once you know what the Fed did.

So the question for a borrower is never really "what will my bank do." It is "what will the Fed do, and how tightly is my loan tied to it."

How has the prime rate changed since 2000?

The record breaks into a few clear stretches. Prime started the period high, at 9.50% from May 2000 to January 2001. A long run of cuts after the dot-com bust took it down to 4.00% by mid-2003. It then climbed steadily to 8.25% by June 2006.

The financial crisis changed everything. Prime fell to 3.25% on December 16, 2008, and stayed there for seven years. Seven years is long enough to forget that a floating rate can float up. After a slow climb to 5.50% at the end of 2018, prime dropped back to 3.25% in March 2020 and sat there until March 2022.

Then came the fastest rise in this data. Between March 2022 and July 2023, prime went from 3.25% to 8.50%, its highest level since early 2001. It held at 8.50% until September 2024, eased to 6.75% by December 2025, and ticked up to 7.00% in September 2026.

For perspective, none of this comes close to the all-time high of 21.50%, set on December 19, 1980. That number matters less as a forecast and more as a reminder that a rate with no ceiling really has no ceiling.

What does a prime rate change do to a variable-rate business loan?

Most variable-rate business loans are written as prime plus a margin. The margin is usually fixed for the life of the loan. Prime is not. When prime rises, your rate rises by the same amount, and your payment goes up with it.

Think about a business that took out a prime-based line of credit in early 2022. Its base rate was 3.25%. By July 2023 the base was 8.50%, with the margin stacked on top. Nothing about the business changed. The contract simply did what it said it would.

SBA 7(a) loans show how this works with limits. The SBA lets lenders charge prime plus a capped spread that depends on loan size. On a variable loan over $350,000, the cap is base rate + 3.0%, which at today's 7.00% prime means a rate of no more than 10.00%. Smaller loans allow wider spreads, up to 13.50% at current prime for loans of $50,000 or less. Your lender can charge less than the cap, so the cap is a starting point for negotiation, not the price.

Bank pricing in the field sits close to prime right now. In the Kansas City Fed's survey for Q2 2026, the median variable rate on new small business term loans at urban banks was 7%, and rural banks came in lowest at 6.7%.

Should you choose a fixed or variable rate right now?

Nobody can tell you where prime goes next, and you should be wary of anyone who claims to. What history can tell you is how wide the range can be over the life of an ordinary loan. Someone who borrowed at the end of 2021, with prime at 3.25%, was paying on a base of 8.50% by July 2023. Someone who borrowed at the 2023 peak saw prime drift down to 6.75% by the end of 2025.

A variable rate makes sense when you expect to pay the loan off early, when the variable rate starts well below the fixed offer, or when your cash flow can absorb a higher payment. A fixed rate makes sense when your margins are thin or when you are borrowing for many years. Ask the lender for both quotes side by side, and work out your payment at the current rate and at the 8.50% peak from 2023. If the second number would sink you, the variable loan is a bet you cannot afford to lose.

One more point people miss. A fixed rate is not free insurance. Lenders often price it above the starting variable rate, and many fixed loans carry prepayment penalties that make it costly to refinance if rates fall. Read those terms before you treat the fixed offer as the safe choice.

What to check before you sign a prime-based loan

A variable-rate loan is only as fair as the clauses around the rate. Two loans can both say "prime plus" and behave very differently when prime moves. Before you sign, find these answers in the agreement itself, not in the sales pitch:

• Which prime rate the loan uses: the published H.15 or WSJ figure, or the lender's own internal rate, which it can change on its own.
• How often your rate resets, and how soon after a prime change your payment goes up.
• Whether there is a rate floor. Many loans say your rate can never drop below the starting rate, so you take every increase but miss the cuts.
• Whether there is a rate cap. If there is none, ask the lender what adding one would cost.
• Whether a rate rise changes your payment or only the share of it going to interest. The second can stretch out the loan instead of raising the bill.
• Whether a default or late payment adds a higher default rate on top of prime, and how much it adds.

Sources and method

Every number on this page comes from the sources below, each opened and read on or before October 18, 2026. A second, independent review checked every figure against its source and corrected anything that did not match. Figures that could not be confirmed were left out.

1. Federal Reserve Bank of St. Louis (FRED), data from Board of Governors of the Federal Reserve System, H.15, Bank Prime Loan Rate (DPRIME), daily (Daily series, observations through October 13, 2026 (downloaded October 18, 2026))
2. Board of Governors of the Federal Reserve System, H.15 Selected Interest Rates (Release date: October 16, 2026)
3. Board of Governors of the Federal Reserve System, Open Market Operations: FOMC's target federal funds rate or range, change and level (Last Update: September 16, 2026)
4. U.S. Small Business Administration, 7(a) loan program: Terms, conditions, and eligibility (Page modified September 16, 2026)
5. Federal Reserve Bank of Kansas City, Small Business Lending Survey, Second Quarter 2026: Inflation Expected to Impact Loan Demand (September 24, 2026)