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CFA Level I · CFA Level I Exam · The Term Structure of Interest Rates: Spot, Par, and Forward Curves

The annual spot rates are 2.00% for one year, 3.00% for two years and 4.00% for three years. The three-year annual-pay par rate is closest to:

The three-year par rate is about 3.95%. It equals one minus the three-year discount factor, divided by the sum of the three discount factors. Because the spot curve is upward sloping, the par rate falls slightly below the three-year spot rate of 4.00%.

  1. A3.00%
  2. B3.95%Correct
  3. C4.00%

Explanation

Discount factors are 0.980392, 0.942596 and 0.888996, which sum to 2.811984. Par rate = (1 - 0.888996)/2.811984 = 3.95%. Choosing 4.00% wrongly treats the par rate as equal to the spot rate, and 3.00% wrongly averages the spot rates.

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