Chapter
10
Bond Prices and Yield
Bodie, Kane, and Marcus
Essentials of Investments
Tenth Edition
10.1 Bond Characteristics
• Bond
• Security that obligates issuer to make payments to
holder over time
• Face Value, Par Value
• Payment to bondholder at maturity of bond
• Coupon Rate
• Bond’s annual interest payment per dollar of par
value
• Zero-Coupon Bond
• Pays no coupons, sells at discount, provides only
payment of par value at maturity
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2
Figure 10.1 Prices/Yields of U.S. Treasury Bonds
U.S. Treasury Quotes: Treasury note and bond data are representative
over-the-counter quotations as of 3pm Eastern time.
Maturity
Coupon
Bid
Asked
Change
Asked
Yield
10/15/2015
0.250
100.0938
100.1094
-0.0078
0.155
10/15/2016
0.625
100.1563
100.1953
0.0000
0.534
11/15/2018
9.000
131.8984
131.9297
0.0313
1.247
11/30/2018
1.375
99.8984
99.9297
0.0703
1.392
8/15/2023
6.250
132.9453
132.9922
0.4531
2.188
8/15/2026
6.750
144.3828
144.4609
0.6953
2.449
11/15/2027
6.125
139.7188
139.7969
0.7969
2.562
2/15/2031
5.375
134.5625
134.6406
0.9766
2.748
2/15/2036
4.500
125.0781
125.1563
1.1250
2.916
5/15/2044
3.375
104.7500
104.8125
1.2500
3.125
Source: Wall Street Journal Online, August 15, 2014.
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10.1 Bond Characteristics
• Treasury Bonds and Notes
• Accrued interest and quoted bond prices
• Quoted prices do not include interest accruing
between payment dates
• Accrued interest =
𝑨𝒏𝒏𝒖𝒂𝒍 𝒄𝒐𝒖𝒑𝒐𝒏 π’‘π’‚π’šπ’Žπ’†π’π’•
𝟐
×
π‘«π’‚π’šπ’” π’”π’Šπ’π’„π’† 𝒍𝒂𝒔𝒕 𝒄𝒐𝒖𝒑𝒐𝒏 π’‘π’‚π’šπ’Žπ’†π’π’•
π‘«π’‚π’šπ’” π’”π’†π’‘π’‚π’“π’‚π’•π’Šπ’π’ˆ 𝒄𝒐𝒖𝒑𝒐𝒏 π’‘π’‚π’šπ’Žπ’†π’π’•π’”
Example: Consider a bond with the following characteristics: Semi-annual
payments, coupon rate of 6%, $1,000 par value. If 45 days have passed since the
last coupon payment, what is the accrued interest?
45
A.I . ο€½
ο‚΄ $30 ο€½ $7.42
182
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Figure 10.2 Listing of Corporate Bonds
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10.1 Bond Characteristics
• Corporate Bonds
• Call provisions on corporate bonds
• Callable bonds: May be repurchased by issuer
at specified call price during call period
• Convertible bonds
• Allow bondholder to exchange bond for
specified number of common stock shares
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10.1 Bond Characteristics
• Corporate Bonds
• Puttable bonds
• Holder may choose to exchange for par value
or to extend for given number of years
• Floating-rate bonds
• Coupon rates periodically reset according to
specified market date
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10.1 Bond Characteristics
• Preferred Stock
• Commonly pays fixed dividend
• Floating-rate preferred stock becoming more
popular
• Dividends not normally tax-deductible
• Corporations that purchase other
corporations’ preferred stock are taxed on
only 30% of dividends received
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10.1 Bond Characteristics
• Other Domestic Issuers
• State, local governments (municipal bonds)
• Federal Home Loan Bank Board
• Farm Credit agencies
• Ginnie Mae, Fannie Mae, Freddie Mac
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10.1 Bond Characteristics
• International Bonds
• Foreign bonds
• Issued by borrower in different country than
where bond sold, denominated in currency of
market country
• Eurobonds
• Denominated in currency (usually that of
issuing country) different than that of market
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10
10.1 Bond Characteristics
• Innovation in the Bond Market
• Inverse floaters
• Coupon rate falls when interest rates rise
• Asset-backed bonds
• Income from specified assets used to service debt
• Pay-in-kind bonds
• Issuers can pay interest in cash or additional
bonds
• Catastrophe bonds
• Higher coupon rates to investors for taking on risk
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10.1 Bond Characteristics
• Innovation in the Bond Market
• Indexed bonds
• Payments tied to general price index/price of
particular commodity
• Treasury Inflation Protected Securities (TIPS):
Par value of bond increases with consumer
price index
• Nominal return =
• Real return =
πΌπ‘›π‘‘π‘’π‘Ÿπ‘’π‘ π‘‘+π‘ƒπ‘Ÿπ‘–π‘π‘’ π‘Žπ‘π‘π‘Ÿπ‘’π‘π‘–π‘Žπ‘‘π‘–π‘œπ‘›
πΌπ‘›π‘–π‘‘π‘–π‘Žπ‘™ π‘π‘Ÿπ‘–π‘π‘’
1+π‘π‘œπ‘šπ‘–π‘›π‘Žπ‘™ π‘Ÿπ‘’π‘‘π‘’π‘Ÿπ‘›
1+πΌπ‘›π‘“π‘™π‘Žπ‘‘π‘–π‘œπ‘›
−1
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12
Table 10.1 Principal and Interest Payments
Principal and interest payments for a Treasury Inflation Protected Security
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10.2 Bond Pricing
• Bond value = Present value of coupons + Present
par value
• Bond value =
𝑇 πΆπ‘œπ‘’π‘π‘œπ‘›
𝑑=1 (1+π‘Ÿ)𝑑
+
π‘ƒπ‘Žπ‘Ÿ π‘£π‘Žπ‘™π‘’π‘’
(1+π‘Ÿ)𝑇
• T = Maturity date
• r = discount rate
• Bond price = πΆπ‘œπ‘’π‘π‘œπ‘› ×
= πΆπ‘œπ‘’π‘π‘œπ‘›
1
π‘Ÿ
1−
1
1+π‘Ÿ 𝑇
+ π‘ƒπ‘Žπ‘Ÿ π‘£π‘Žπ‘™π‘’π‘’ ×
1
(1+π‘Ÿ)𝑇
× π΄π‘›π‘›π‘’π‘–π‘‘π‘¦ π‘“π‘Žπ‘π‘‘π‘œπ‘Ÿ π‘Ÿ, 𝑇 + π‘ƒπ‘Žπ‘Ÿ π‘£π‘Žπ‘™π‘’π‘’ × π‘ƒπ‘‰ π‘“π‘Žπ‘π‘‘π‘œπ‘Ÿ (π‘Ÿ, 𝑇)
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10.2 Bond Pricing: Example
• What is the price of the following two bonds:
Bond A
Bond B
Maturity (T)
4 Years
30 Years
Coupon Rate (C)
5%
5%
Discount Rate (r)
8%
8%
Par Value (FV)
$1,000
$1,000
Bond A
Bond B
1 ο€­ 1  r 
1 ο€­ 1  r 
ο€­T
ο€­T
PV ο€½ C ο‚΄
 FV ο‚΄ 1  r 
PV ο€½ C ο‚΄
 FV ο‚΄ 1  r 
r
r
1 ο€­ (1.08) ο€­4
1 ο€­ (1.08) ο€­30
ο€­4
ο€½ $50 ο‚΄
 $1, 000 ο‚΄ (1.08)
ο€½ $50 ο‚΄
 $1, 000 ο‚΄ (1.08) ο€­30
.08
.08
ο€½ $165.61  $735.03 ο€½ $900.64
ο€½ $562.89  $99.38=$662.27
ο€­T
Present Value of Coupons
ο€­T
Present Par Value
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15
10.2 Bond Pricing
• Prices fall as market interest rate rises
• Interest rate fluctuations are primary source
of bond market risk
• Bonds with longer maturities more sensitive
to fluctuations in interest rate
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16
Figure 10.3 Inverse Relationship between Bond Prices and Yields
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17
Table 10.2 Bond Prices at Different Interest Rates
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18
10.2 Bond Pricing
• Bond Pricing between Coupon Dates
• Invoice price = Flat price + Accrued interest
• Bond Pricing in Excel
• =PRICE (settlement date, maturity date, annual
coupon rate, yield to maturity, redemption value
as percent of par value, number of coupon
payments per year)
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19
Spreadsheet 10.1 Valuing Bonds
Coupon Rate:
6.25%
Matures:
August 15, 2023
Formula in column B
Coupon Rate:
4.375%
Matures:
Nov 15, 2039
Coupon Rate:
8%
Matures:
Aug. 15, 2041
Settlement date
8/15/2011 =DATE(2011,8,15)
8/15/2011
8/15/2011
Maturity date
8/15/2023 =DATE(2023,8,15)
11/15/2039
8/15/2041
0.0625
0.04375
0.08
0.02598
0.03697
0.1
100
100
100
2
2
2
111.819
81.071
92
0
184
182
1.094
0
112.913
81.071
Annual coupon rate
Yield to maturity
Redemption value (% of FV)
Coupon payments per year
Flat price (% of par)
Days since last coupon
Days in coupon period
Accrued interest
Invoice price
137.444 =PRICE(B4,B5,B6,B7,B8,B9)
0 =COUPDAYBS(B4,B5,2,1)
184 =COUPDAYS(B4,B5,2,1)
0 =(B13/B14)*B6*100/2
137.444 =B12+B15
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20
10.3 Bond Yields
• Yield to Maturity
• Discount rate that makes present value of
bond’s payments equal to price.
• Current Yield
• Annual coupon divided by bond price
• Premium Bonds
• Bonds selling above par value
• Discount Bonds
• Bonds selling below par value
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21
Spreadsheet 10.2 Finding Yield to Maturity
Semiannual
coupons
Settlement date
Maturity date
Annual coupon rate
Bond price (flat)
Redemption value (% of face value)
Coupon payments per year
Yield to maturity (decimal)
Annual
coupons
1/1/2000
1/1/2030
0.08
127.676
100
2
1/2/2000
1/2/2030
0.08
127.676
100
1
0.0600
0.0599
The formula entered here is =YIELD(B3,B4,B5,B6,B7,B8)
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22
10.3 Bond Yields
• Yield to Call
• Calculated like yield to maturity
• Time until call replaces time until maturity; call
price replaces par value
• Premium bonds more likely to be called than
discount bonds
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23
Figure 10.4 Bond Prices: Callable and Straight Debt
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24
10.3 Bond Yields
• Realized Compound Returns versus Yield to
Maturity
• Realized compound return
• Compound rate of return on bond with all coupons
reinvested until maturity
• Horizon analysis
• Analysis of bond returns over multiyear horizon, based
on forecasts of bond’s yield to maturity and investment
options
• Reinvestment rate risk
• Uncertainty surrounding cumulative future value of
reinvested coupon payments
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25
Figure 10.5 Growth of Invested Funds
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26
10.4 Bond Prices Over Time
• Yield to Maturity versus Holding Period
Return (HPR)
• Yield to maturity measures average RoR if
investment held until bond matures
• HPR is RoR over particular investment period;
depends on market price at end of period
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27
Figure 10.6 Price Paths of Coupon Bonds in Case of Constant
Market Interest Rates
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28
10.4 Bond Prices Over Time
• Zero-Coupon Bonds and Treasury STRIPS
• Zero-coupon bond: Carries no coupons,
provides all return in form of price appreciation
• Separate Trading of Registered Interest and
Principal of Securities (STRIPS): Oversees
creation of zero-coupon bonds from couponbearing notes and bonds
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29
Figure 10.7 Price of 30-Year Zero-Coupon Bond over Time at
Yield to Maturity of 10%
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30
10.4 Bond Prices Over Time
• After-Tax Returns
• Built-in price appreciation on original-issue
discount bonds constitutes implicit interest
payment to holder
• IRS calculates price appreciation schedule to
determine taxable interest income for built-in
appreciation
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31
10.5 Default Risk and Bond Pricing
• Investment grade bond
• Rated BBB and above by S&P or Baa and
above by Moody’s
• Speculative grade or junk bond
• Rated BB or lower by S&P, Ba or lower by
Moody’s, or unrated
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32
Figure 10.8 Bond Rating Classes
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33
10.5 Default Risk and Bond Pricing
• Determinants of Bond Safety
• Coverage ratios: Company earnings to fixed costs
• Leverage ratio: Debt to equity
• Liquidity ratios
• Current: Current assets to current liabilities
• Quick: Assets excluding inventories to liabilities
• Profitability ratios: Measures of RoR on assets or
equity
• Cash flow-to-debt ratio: Total cash flow to
outstanding debt
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34
Table 10.3 Financial Ratios and Default Risk
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35
10.5 Default Risk and Bond Pricing
• Bond Indentures
• Indenture
• Defines contract between issuer and holder
• Sinking fund
• Indenture calling for issuer to periodically
repurchase some proportion of outstanding
bonds before maturity
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36
10.5 Default Risk and Bond Pricing
• Bond Indentures
• Subordination clause
• Restrictions on additional borrowing stipulating
senior bondholders paid first in event of
bankruptcy
• Collateral
• Specific asset pledged against possible default
• Debenture
• Bond not backed by specific collateral
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37
10.5 Default Risk and Bond Pricing
• Yield to Maturity and Default Risk
• Stated yield is maximum possible yield to
maturity of bond
• Default premium
• Increment to promised yield that compensates
investor for default risk
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38
Figure 10.10 Yield Spreads among Corporate Bonds
20
Aaa-rated
Baa-rated
High yield
Yield spread (%)
16
12
8
4
0
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10.5 Default Risk and Bond Pricing
• Credit Default Swaps (CDS)
• Insurance policy on default risk of corporate
bond or loan
• Designed to allow lenders to buy protection
against losses on large loans
• Later used to speculate on financial health of
companies
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40
Figure 10.11A Prices of CDSs, U.S. Banks
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41
Figure 10.11B Prices of CDSs, German Sovereign Debt
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42
10.6 The Yield Curve
• Yield Curve
• Graph of yield to maturity as function of term to
maturity
• Term Structure of Interest Rates
• Relationship between yields to maturity and
terms to maturity across bonds
• Expectations Hypothesis
• Yields to maturity determined solely by
expectations of future short-term interest rates
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43
Figure 10.13 Returns to Two 2-Year Investment Strategies
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44
10.6 The Yield Curve
• Forward Rate
• Inferred short-term ROI for future period, makes
expected total return of long-term bond equal to
that of rolling over short-term bonds
• (1 + 𝑦𝑛 )𝑛 = 1 + 𝑦𝑛−1 𝑛−1 (1 + 𝑓𝑛 )
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45
10.6 The Yield Curve
• Liquidity Preference Theory
• Investors demand risk premium on long-term
bonds
• Liquidity premium
• Extra expected return demanded by investors
as compensation for greater risk of long-term
bonds
• Spread between forward ROI and expected
short sale
• 𝑓𝑛 = 𝐸 π‘Ÿπ‘› + πΏπ‘–π‘žπ‘’π‘–π‘‘π‘–π‘‘π‘¦ π‘π‘Ÿπ‘’π‘šπ‘–π‘’π‘š
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46
Figure 10.14 Illustrative Yield Curves
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47
Figure 10.15 Term Spread: Yields on 10-Year v. 90-day Treasuries
16
10-year Treasury
90-day T-bills
Difference
Interest rate (%)
12
8
4
0
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2012
2009
2006
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1988
1985
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