part - ix fundamentals of debt securities
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Part - IX Fundamentals of Debt Securities. Basics. What is debt? It is a financial claim. Who issues is? The borrower of funds For whom it is a liability Who holds it? The lender of funds For whom it is an asset. Basics (Cont…). What is the difference between debt and equity? - PowerPoint PPT PresentationTRANSCRIPT
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Basics
What is debt? It is a financial claim.
Who issues is? The borrower of funds
For whom it is a liability
Who holds it? The lender of funds
For whom it is an asset
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Basics (Cont…)
What is the difference between debt and equity? Debt does not confer ownership rights
on the holder. It is merely an IOU
A promise to pay interest at periodic intervals and to repay the principal itself at a prespecified maturity date.
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Basics (Cont…) It has a finite life span The interest payments are contractual
obligations Borrowers are required to make payments
irrespective of their financial performance Interest payments have to be made before
any dividends can be paid to equity holders. In the event of liquidation
The claims of debt holders must be settled first Only then can equity holders be paid.
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Nomenclature Debt securities are referred to by a variety
of names. Bills Notes Bonds Debentures
In the U.S. a debenture is an unsecured bond.
In India the terms are used interchangeably.
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U.S. Treasury Securities
They are fully backed by the federal government.
Consequently they are devoid of credit risk or the risk of default.
The interest rate on such securities is used as a benchmark for setting rates on other kinds of debt.
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U.S. Treasury Securities (Cont…)
The Treasury issues three categories of marketable securities.
T-bills are discount securities They are issued at a discount from their
face values and do not pay interest. T-notes and T-bonds are sold at face
value and pay interest periodically.
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U.S. Treasury Securities (Cont…)
T-bills are issued with a original time to maturity of one year or less. Consequently they are Money Market
instruments. T-notes and T-bonds have a time to
maturity exceeding one year at the time of issue. They are therefore Capital Market
instruments.
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Plain Vanilla & Bells and Whistles
The most basic form of a bond is called the Plain Vanilla version.
This is true for all securities, not just for bonds.
More complicated versions are said to have `Bells and Whistles’ attached.
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Face Value
It is the principal value underlying the bond.
It is the amount payable by the borrower to the lender at maturity.
It is the amount on which the periodic interest payments are calculated.
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Term to Maturity
It is the time remaining in the life of the bond.
It represents the length of time for which interest has to be paid as promised.
It is represents the length of time after which the face value will be repaid.
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Coupon The coupon payment is the
periodic interest payment that has to be made by the borrower.
The coupon rate when multiplied by the face value gives the dollar value of the coupon.
Most bonds pays coupons on a semi-annual basis.
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Example of Coupon Calculation
Consider a bond with a face value of $1000.
The coupon rate is 8% per annum paid semi-annually.
So the bond holder will receive1000 x 0.08
___ = $40 every six months.2
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Yield to Maturity (YTM) Yield to maturity is the rate of return
that an investor will get if he buys the bond at the prevailing market price and holds it till maturity.
In order to get the YTM, two conditions must be satisfied.
The bond must be held till maturity. All coupon payments received before
maturity must be reinvested at the YTM.
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Value of a Bond A bond holder gets a stream of
contractually promised payments. The value of the bond is the value of
this stream of cash flows. However you cannot simply add up cash
flows which are arising at different points in time.
Such cash flows have to be discounted before being added.
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Price versus Yield Price versus yield is a chicken and
egg story, that is, we cannot say which comes first.
If we know the yield that is required by us, we can quote a price accordingly.
Similarly, once we acquire the asset at a certain price, we can work out the corresponding yield.
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Bond Valuation A bond is an instrument that will pay
identical coupon payments every period, usually every six months, for a number of years, and will then repay the face value at maturity.
The periodic cash flows obviously constitute an annuity.
The terminal face value is a lump sum payment.
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Bond Valuation (Cont…) Consider a bond that pays a semi-annual
coupon of $C/2, and which has a face value of $M.
Assume that there are N coupons left, and that we are standing on a coupon payment date.
That is, we are assuming that the next coupon is exactly six months away.
The required annual yield is y, which implies that the semi-annual yield is y/2.
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Illustration IBM has issued a bond with a face
value of $1,000. The coupon is 8% per year to be paid
on a semi-annual basis, on July 15 and January 15 every year.
Assume that today is 15 July 2002 and that the bond matures on 15 January 2022.
The required yield is 10% per annum.
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Par, Discount & Premium Bonds In the above example, the price of the
bond is less than the face value of $1,000. Such a bond is called a Discount Bond,
since it is trading at a discount from the face value.
The reason why it is trading for less than the face value is because the required yield of 10% is greater than the rate of 8% that the bond is paying by way of interest.
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Par, Discount & Premium Bonds If the required yield were to equal the
coupon rate, the bond would sell for $1,000. Such bonds are said to be trading at Par. If the required yield were to be less than
the coupon rate the price will exceed the face value.
Such bonds are called Premium Bonds, since they are trading at a premium over the face value.
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Zero Coupon Bonds A Plain Vanilla bond pays coupon interest
every period, typically every six months, and repays the face value at maturity.
A Zero Coupon Bond on the other hand does not pay any coupon interest.
It is issued at a discount from the face value and repays the principal at maturity.
The difference between the price and the face value constitutes the interest for the buyer.
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Illustration Microsoft is issuing zero coupon
bonds with 5 years to maturity and a face value of $10,000.
If you want a yield of 10% per annum, what price will you pay?
The price of the bond is obviously the present value of a single cash flow of $10,000, discounted at 10%.
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Illustration (Cont…)
In practice, we usually discount the face value using a semi-annual rate of y/2, where y in this case is 10%.
This is to facilitate comparisons with conventional bonds which pay coupon interest every six months.
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Zero Coupon Bonds Zero coupon bonds are called
zeroes by traders. They are also referred to as Deep
Discount Bonds. They should not be confused with
Discount Bonds, which are Plain Vanilla bonds which are trading at a discount from the face value.
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Valuation in between Coupon Dates While valuing a bond we assumed
that we were standing on a coupon payment date.
This is a significant assumption because it implies that the next coupon is exactly one period away.
What should be the procedure if the valuation date is in between two coupon payment dates?
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The Procedure for Treasury Bonds
Calculate the actual number of days between the date of valuation and the next coupon date.
Include the next coupon date. But do not include the starting
date. Let us call this interval N1.
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Treasury Bonds (Cont…)
Calculate the actual number of days between the coupon date preceding the valuation date and the following coupon date.
Once again include the ending date but exclude the starting date.
Let us call this time interval as N2.
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Illustration There is a Treasury bond with a face
value of $1,000. The coupon rate is 8% per annum,
paid on a semi-annual basis. The coupon dates are 15 July and 15
January. The maturity date is 15 January
2022. Today is 15 September 2002.
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No. of Days Till the Next Coupon Date
Month No. of Days
September 15
October 31
November 30
December 31
January 15
TOTAL 122
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No. of Days between Coupon Dates
Month No. of Days
July 16
August 31
September 30
October 31
November 30
December 31
January 15
TOTAL 184
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Treasury Bonds (Cont…)
K = 122/184 = .6630 This method is called the
Actual/Actual method and is often pronounced as the Ack/Ack method.
It is the method used for Treasury bonds in the U.S.
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The Valuation Equation
Wall Street professionals will then price the bond using the following equation.
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The 30/360 Approach The Actual/Actual method is applicable
for Treasury bonds in the U.S. For corporate bonds in the U.S. we use
what is called the 30/360 method. In this method the number of days
between successive coupon dates is always taken to be 180.
That is each month is considered to be of 30 days.
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The 30/360 Approach (Cont…)
The number of days from the date of valuation till the next coupon date is calculated as follows.
The start date is defined as D1 = (month1, day1,year1) The ending date is defined as D2 = (month2,day2,year2)
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The 30/360 Approach (Cont…)
The number of days is then calculated as
360(year2 – year1) + 30(month2 – month1) + (day2 – day1)
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Additional Rules
If day1 = 31 then set day1 = 30 If day1 = 30 or has been set equal
to 30, then if day2 = 31, set day2 = 30
If day1 is the last day of February, then set day1 = 30
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Examples of Calculations
Start Date
End Date Actual Days
Days Based on 30/360
Jan-01-86 Feb-01-86 31 30
Jan-15-86 Feb-01-86 17 16
Feb-15-86 Apr-01-86 45 46
Jul-15-86 Sep-15-86 62 60
Nov-01-86 Mar-01-87 120 120
Dec-15-86 Dec-31-86 16 16
Dec-31-86 Feb-01-87 31 31
Feb-01-88 Mar-01-88 29 30
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Pricing of A Corporate Bond
Let us assume that the bond considered earlier was a corporate bond rather than a Treasury bond.
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30/360 European Convention
In this convention, if day2 = 31, then it is always set equal to 30.
So the additional rules are: If day1 = 31 then set day1 = 30 If day2 = 31 then set day2 = 30 If day1 is the last day of February,
then set day1 = 30
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Examples of Calculations
Start Date
End Date Actual Days
Days Based on 30/360E
Mar-31-86
Dec-31-86
275 270
Dec-15-86
Dec-31-86
16 15
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Other Conventions Actual/365 Convention In this case the year is considered to have 365
days, while calculating the denominator, even in leap years.
Actual/365 Japanese This is used for Japanese Government Bonds (JGBs) It is similar to the Actual/365 method. The only difference is that in this case, the extra
day in February is ignored in leap years, while calculating both the numerator and the denominator.
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Accrued Interest The price of a bond is the present value of
all the cash flows that the buyer will receive when he buys the bond.
Thus the seller is compensated for all the cash flows that he is parting with.
This compensation includes the amount due for the fact that the seller is parting with the entire next coupon, although he has held it for a part of the current coupon period.
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Accrued Interest (Cont…)
This compensation is called Accrued Interest.
Let us denote the sale date by t; the previous coupon date by t1; and the following coupon date by t2
The accrued interest is given by
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Accrued Interest (Cont…)
Both the numerator and the denominator are calculated according to the conventions discussed above.
That is for U.S. Treasury bonds the Actual/Actual method is used, whereas for U.S. corporate bonds the 30/360 method is used.
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Why Accrued Interest?
Why should we calculate the accrued interest if it is already included in the price calculation?
The answer is that the quoted bond price does not include accrued interest.
That is, quoted prices are net of accrued interest.
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Why Accrued Interest? (Cont…) The rationale is as follows. On July 15 the price of the Treasury
bond using a YTM of 10% was $829.83.
On September 15 the price using a yield of 10% is $843.5906.
Since the required yield on both the days is the same, the increase in price is entirely due to the accrued interest.
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Why Accrued Interest (Cont…)
On July 15 the accrued interest is zero.
This is true because on a coupon payment date, the accrued interest has to be zero.
On September 15 the accrued interest is
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Why Accrued Interest? (Cont…) The price net of accrued interest is $843.5906 - $13.4783 = $830.1123$, which
is very close to the price of $829.83 that was observed on July 15.
We know that as the required yield changes, so will the price.
If the accrued interest is not subtracted from the price before being quoted, then we would be unsure as to whether the observed price change is due to a change in the market yield or is entirely due to accrued interest.
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Why Accrued Interest? (Cont…)
However if prices are reported net of accrued interest, then in the short run, observed price changes will be entirely due to changes in the market yield.
Consequently bond prices are always reported after subtracting the accrued interest.
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Clean versus Dirty Prices
Quoted bond prices are called clean or add-interest prices.
When a bond is purchased in addition to the quoted price, the accrued interest has also to be paid.
The total price that is paid is called the dirty price or the flat price.
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Treasury Bills (T-Bills) They are short term debt instruments
issued by the U.S. Treasury. They are devoid of credit risk. They are highly liquid. Bills with original terms to maturity of
13 weeks, 26 weeks, and 52 weeks are regularly issued.
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T-Bills 13 week and 26 week bills are issued
every week. One year bills are issued once a month. The most recently issued securities are
called On-The-Run securities. These are highly liquid. Instruments issued earlier are called
Off-The-Run securities. They tend to be less liquid.
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T-Bills These are zero coupon securities.
That is, they are issued at a discount from the face value.
The yield that is quoted for bills is a discount yield.
Such yields are used to calculate the difference between the face value and the price to be paid.
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Calculation of The Discount
For all calculations involving money market instruments the year is assumed to have 360 days.
Let us use the following symbols: V = Face Value Tm = Days to Maturity d = Quoted Yield
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Example
A bill with a face value of $1,000,000 has 80 days to maturity.
The quoted yield is 8%. D = 1,000,000x.08x
360
80
= 177,77.78
P = 1,000,000 – 177,77.78 =$982,222.22