Kathy Hurst, CFA: Valuing a 4-Year Zero Coupon Security | CFA Level 1 Exam Answer

One-Year Forward Rate Calculation: CFA Level 1 Exam Answer

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Question

Kathy Hurst, CFA, is valuing a 4-year zero coupon security. She is provided the following information:

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6.0%

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7.3%

?

8.9%

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The 4-year spot rate is 7.5%.

Calculate the one-year forward rate two years from now ().

Answers

Explanations

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A. B. C.

Explanation

E

To calculate the one-year forward rate two years from now, we can use the relationship between spot rates and forward rates. The formula for calculating the forward rate is as follows:

(1 + forward rate)^n = (1 + spot rate)^t / (1 + spot rate)^s

Where:

  • "forward rate" represents the interest rate for a future period.
  • "n" represents the length of the forward period.
  • "spot rate" represents the interest rate for the current period.
  • "t" represents the end period.
  • "s" represents the start period.

In this case, we are given the 4-year spot rate, which is 7.5%. We want to calculate the one-year forward rate two years from now, which means our start period is year 2 (the end of the 2nd year) and our end period is year 3 (the end of the 3rd year). Therefore, s = 2, t = 3, and n = 1.

Let's plug the values into the formula:

(1 + forward rate)^1 = (1 + 7.5%)^3 / (1 + 7.5%)^2

To solve for the one-year forward rate, we need to isolate (1 + forward rate) on one side of the equation. Let's rearrange the formula:

(1 + forward rate) = [(1 + 7.5%)^3 / (1 + 7.5%)^2]^(1/1)

Now we can calculate the value on the right side of the equation:

(1 + forward rate) = (1.075^3 / 1.075^2)^1

(1 + forward rate) = (1.23090625 / 1.16625)^1

(1 + forward rate) = 1.0548^1

(1 + forward rate) = 1.0548

To find the forward rate, we subtract 1 and convert it to a percentage:

forward rate = 1.0548 - 1 = 0.0548 = 5.48%

Therefore, the one-year forward rate two years from now is 5.48%.

However, none of the provided answers match this calculation. It's possible that there was an error in the question or the answer choices.