Banking & Credit · BNK-021
Prime Rate
A source-linked chapter designed to teach the subject itself, not a generic lesson template.
Chapter map
Follow the actual ideas in this lesson.
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Learning objectives
Learning objectives
By the end of this lesson, you should be able to define the U.S. bank prime rate, explain who posts it, distinguish prime from the federal funds rate, describe how prime can serve as a base rate for variable-rate credit, calculate a prime-plus-margin rate, explain why a borrower may pay more than prime, and interpret a current prime-rate quote as a dated market reference rather than a permanent constant.
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References & evidence
Source library for this chapter
These are the linked sources supporting the verified claims used throughout the lesson.
- 01H.15 Selected Interest RatesOpen source ↗
Board of Governors of the Federal Reserve System
- 02What is the difference between a fixed APR and a variable APR?Open source ↗
Consumer Financial Protection Bureau
View claim-by-claim traceability6 verified claims
A prime-based rate quoted as prime plus a margin does not mean the borrower receives the prime rate itself.
supported · checked Sep 21, 2026The Federal Reserve does not directly set the prime rate; banks post it, although it often changes in response to changes in monetary-policy and short-term funding conditions.
supported · checked Sep 21, 2026The bank prime loan rate reported in the Federal Reserve H.15 release is the rate posted by a majority of the 25 largest U.S.-chartered commercial banks by assets in domestic offices.
supported · checked Sep 21, 2026The prime rate is one of several base rates banks use to price short-term business loans and other variable-rate credit products.
supported · checked Sep 21, 2026A variable-rate loan can use an index or base rate plus a contractual margin, so the borrower’s APR can change when the index changes.
supported · checked Sep 21, 2026The Federal Reserve H.15 release showed the bank prime loan rate at 7.00 percent on September 17, 2026, following the September FOMC policy change; this is a dated example and can change.
supported · checked Sep 21, 2026