Question #57

Reading: Reading 31 Valuation of Contingent Claims

PDF File: Reading 31 Valuation of Contingent Claims.pdf

Page: 27

Status: Unattempted

Part of Context Group: Q57-60 First in Group
Shared Context
of 111 The writer of a receiver swaption has: A) an obligation to enter a swap in the future as the fixed-rate payer. B) an obligation to enter a swap in the future as the floating-rate payer. C) the right to enter a swap in the future as the floating-rate payer. Nathan Detroit, a speculator, has come to you for technical advice regarding the pricing of swaps. He hopes to make big money in the swaps market from the exploitation of pricing discrepancies, but lacks an understanding of the principles underlying the pricing of swaps. He asks you to consider a two-year, fixed-for-fixed, currency swap with semiannual payments. The domestic currency is the U.S. dollar and the foreign currency is the U.K. pound. The current exchange rate is $1.60 per pound. You forecast that the exchange rate would be $1.41 on the first settlement date. The notional principal of the swap is set at $10 million. The USD and £ term structure are shown in Exhibits 1 and 2 below. Exhibit 1: Current USD Term Structure Number of Days MRR Present Value Factor 180 0.0585 0.9716 360 0.0605 0.9430 540 0.0596 0.9179 720 0.0665 0.8826 Exhibit 2: Current £ Term Structure Number of Days MRR Present Value Factor 180 0.0493 0.9759 360 0.0450 0.9569 540 0.0519 0.9278 720 0.0551 0.9007 Detroit has heard about the European put-call parity theorem and believes a synthetic call can be created through the use of a European put with the same strike as the call, a zero coupon bond with a face value equal to the strike price of the put and an underlying asset relating to the put and the call. Detroit makes two comments regarding the BSM model and the Black model as follows: Comment 1: N(d1) in the BSM is the probability that the option will expire in the money. Comment 2: The probability that a receiver swaption will expire in the money is N(–d2).
Question
Calculate the USD swap fixed rate.
Answer Choices:
A. 3.16%
B. 6.20%
C. 6.32%
Explanation
For a swap with n settlement periods, the semi-annual fixed payment per $1 of notional principal is calculated as: The annualized fixed payment per $1 of notional principal is therefore: or 6.32%
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