Implied One-Year Zero-Coupon Bond Rate | CFA Level 1 Exam

Implied One-Year Zero-Coupon Bond Rate

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Question

The six-year spot rate is 7% and the five-year spot rate is 6%. What is the implied one-year zerocoupon bond rate five years from now?

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A. B. C. D.

D

5r1= [(1 +/ (1 +] - 1 = [(1.07/(1.06] "" 1[1.5 / 1.338] - 1 = .12

To calculate the implied one-year zero-coupon bond rate five years from now, we can use the concept of bootstrapping. Bootstrapping is a method used to derive the implied spot rates for different maturities based on observed spot rates.

In this case, we have the six-year spot rate as 7% and the five-year spot rate as 6%. The six-year spot rate represents the interest rate for a six-year zero-coupon bond, while the five-year spot rate represents the interest rate for a five-year zero-coupon bond.

To calculate the implied one-year zero-coupon bond rate five years from now, we need to determine the spot rate for a one-year bond maturing in five years. We can achieve this by using the concept of forward rates.

The forward rate is the implied interest rate on a future investment period, given the current spot rates. In this case, we want to find the forward rate for the one-year period starting five years from now.

We can calculate the forward rate using the formula:

(1 + Spot rate for the one-year bond)^1 = (1 + Spot rate for the five-year bond)^5 * (1 + Forward rate)^1

Let's denote the forward rate as "x" for simplicity. Plugging in the given spot rates:

(1 + x)^1 = (1 + 0.06)^5 * (1 + 0.07)^1

Simplifying the equation:

1 + x = (1.338225) * (1.07)

1 + x = 1.43087675

x = 1.43087675 - 1

x = 0.43087675

Therefore, the implied one-year zero-coupon bond rate five years from now is approximately 0.4309 or 43.09%.

Since the available answer choices are given in percentages, we can round it to the nearest percentage, which is 43%. However, none of the given answer choices matches this value, so it seems that there might be an error in the answer choices provided.