Questions / Quant trading, Execution & microstructure

Translate basis points into cost

Foundation, about 6 minutes. Question T031.

An execution fee is 3 basis points of 200,000 notional. What is the fee?

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Answer: 60 currency units

  1. A basis point is 0.01%, or 0.0001 as a fraction.
  2. Three basis points is therefore 3/10,000 = 0.0003.
  3. Multiply by the fee base: 200,000 × 0.0003 = 60.

Interview shortcut. A basis point is 1/10,000: 200,000 × 3/10,000.

Takeaway. Convert basis points to a fraction before multiplying by notional.

In the app this has a follow-up where one thing about the setup changes. Try the follow-up.

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