basis points

Tiny interest units

A basis point is one hundredth of a percentage point—0.01%.

Financial professionals use basis points to describe small changes in interest rates, bond yields, or other percentages where precision matters: The Fed raised rates by 25 basis points.

The term avoids ambiguity: saying rates rose "from 2% to 2.5%" could mean a 0.5 percentage point increase or a 25% relative increase, but "50 basis points" is unambiguous.

Opposites
measurement granularity

basis pointspercentage points

Units measuring rate differences

percent · percentages · points · whole numbers · round numbers

precision vs approximation

basis pointsround numbers

Multiples of ten, roughly

ballpark figures · approximations

precision vs. approximation

basis pointsrough estimate

Imprecise preliminary calculation

ballpark figure · approximation · order of magnitude

Family

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Used worldwide · Timeless · Abstract · Rated G