Yield to maturity Moe’s Inc. has bonds outstanding with a par value of $1000 and 10 years to maturity. These bonds pay a coupon of $45 every six months. Current market conditions are such that the bond sells for $938. Calculate the yield to maturity on the issue.
Duration A newly issued 5-year Altec Corp. bond has a price of $1,095.99, a par value of $1,000, and pays annual interest at a 12% coupon rate. Find the duration of the bond.
Solution:
Yield to maturity
Face Value (F) = $1,000
Coupon rate (C) = $45 per six months = $45 * 2 = $90 per year
Current Yield (P)= $938
Years (n) = 10
Yield to maturity = {C + [(F - P) / n]} / [(F + P) /2]
= {90 + [(1000 – 938) / 10]} / [(1000 + 938) / 2]
= 10%
Duration
Duration = {SUM[(t * c) / (1 + t)i] + [(n * m) / (1 + t)n} / P
t = time in years until maturity = 5 years
c = coupon payment amount = $120 ($1,000 * 12%)
i = interest rate = 12% = 0.12
n = no. of coupon payments made = 1
m = par value = $1,000
P = bond’s current market price = $1,095.99
Duration = {[(5 * 120) / (1 + 0.12)5] + [(4 * 120) / (1 + 0.12)4] + [(3 * 120) / (1 + 0.12)3] + [(2 * 120) / (1 + 0.12)2] + [(1 * 120) / (1 + 0.12)1] + [(5 * 1000) / (1 + 0.12)5]} / $1,000
= (340.46 + 305.05 + 256.25 + 191.33 + 107.14 + 2837.20) / $1,000
= 4.037 years
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