One hundredth of one percent. It's the measure bankers use to talk about mortgages: they talk about mortgage rates going up or down a certain number of basis points.
Example
If mortgage rates are quoted today at 6.274% and next week at 6.284%, they have gone up one basis point. If they move two weeks later to 6.074%, they've gone down 20 basis points from the original quote.
Related or Semi-related Video
Finance: What Is a Basis Point?124 Views
finance a la shmoop what is a basis point?
well one percentage point is a hundred basis points, half a percentage is 50
basis points, five percentage points is? yeah we're gonna make you do that one on [frowning man talks to camera]
your own. well the basic idea is that in very large financial transactions those
involved need highly granular computation grids, and basis points
divid interest rates much more tightly. if a company borrows three billion
dollars just noting that the rate is four percent is really vague. it would
need to be noted as four point zero zero percent. why? because just one basis point [equation on screen]
i.e. one hundredth of a percent per year on three billion dollars borrowed
is still a lot of money. that is one basis point on three billion bucks is
300 grand .so basis points are a real thing in high finance transactions and [smiling man talk to camera]
okay okay the answer is 500 basis points. yeah all right now you can go back to
spinning this thingy. [man spins fidget spinner]
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