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FRM Part I · FRM Exam Part I · Pricing Conventions, Discounting, and Arbitrage

The 2-year and 3-year zero rates are 3.0% and 3.5% respectively, both annually compounded. What is the implied one-year forward rate for the third year (annually compounded)?

The implied forward rate for year three is 4.51%. It equals the 3-year growth factor 1.035 cubed divided by the 2-year growth factor 1.03 squared, minus one. This ensures that investing for three years equals investing for two years and then rolling over at the forward rate.

  1. A3.50%
  2. B3.75%
  3. C4.51%Correct
  4. D7.50%

Explanation

Forward = 1.035^3 / 1.03^2 - 1 = 1.108718 / 1.0609 - 1 = 4.51%. The 3.50% answer just repeats the 3-year rate. The 3.75% answer averages the two rates. The 7.50% answer is 3 x 3.5% - 3.0%, which is not the correct way to isolate the third year.

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