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CMA Final · Strategic Financial Management · Interest Rate Derivatives

The 1-year zero-coupon spot rate is 6% p.a. and the 2-year zero-coupon spot rate is 7% p.a., both annually compounded. Assuming no arbitrage, what is the implied 1-year forward rate starting one year from now?

The implied one-year forward rate one year ahead is about 8.01%. Compounding for two years at 7% gives 1.1449; dividing by the one-year growth factor of 1.06 leaves 1.0801. The shortcut of 8.00% ignores compounding.

  1. A8.01%Correct
  2. B8.00%
  3. C7.50%
  4. D7.01%

Explanation

Forward rate = (1.07^2 / 1.06) - 1 = 1.1449 / 1.06 - 1 = 1.08009 - 1 = 8.01%. Using 2 x 7% - 6% = 8.00% is a simple-interest shortcut that ignores compounding. The 7.5% option is the simple average of the spot rates.

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