bonds overview pricing yield
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Overview of Fixed Income
Markets
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Features of Debt Securities
Bond and Bond Indenture
Bond Covenants Negative Covenants: restrictions on
asset sale, additional borrowing,negative pledge of collateral
Armative Covenants: maintaincertain ratios and protability
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Types of Bonds
According to Coupon ratestructure:
Straigt Bond
!ero Coupon bonds
Step "p notes
Deferred Coupon Bonds
F#oating rate securities$ Floating rate bonds, inverse oater, ination indexed
bonds
Floor and cap in oater
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Types of Bonds
According to redemption andretirement:
%on&'morti(ing securities$ Bu##et Bonds
'morti(ing securities) *repaymentOptions$ risk wi#e investing in MBS
Ca## provisions
%on refundab#e bonds) +edemption vs,+efunding,
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Options -mbedded in Bonds
Options with investor:
Conversion Option
Put provision
Floors
Options with issuer
Call provision
Prepayment Option
Accelerated Sinking Fund
Caps
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+isks 'ssociated wit Investingin Bonds
Interest rate risk
.ie#d Curve +isk
Ca## +isk *repayment +isk
+einvestment +isk
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+isks 'ssociated witInvesting in Bonds
Credit risk /Credit spread risk 0downgrade risk1
2i3uidity +isk
+isk in F#oating rate Bonds
Reset risk: if reset period increases
Cap risk: if coupon cannot go beyond a value
Formula/spread risk: if spread above referencereects te credit risk! ten re"uired return #illbe e"ual to coupon and $ond % par else di&er'
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+isks 'ssociated wit Investingin Bonds
-xcange +ate risk
%or a &' investor Which of the followingstatements concerning the e(change rate
risk of investing in foreign onds is mostaccurate? f the foreign currenc#:
A)appreciates* the ond+s coupon increases!
")depreciates* ond investors lose* all else
e,ual! C)depreciates* the ond+s coupon pa#ments
will turn into more &!'! dollars!
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+isks 'ssociated wit Investingin Bonds
In4ation risk
Sovereign +isk
5o#ati#ity +isk/for bonds wit options1
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'uction of Bond Securities
"niform *rice 'uction /book bui#ding1
Discriminatory *rice 'uction
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Bond Market Index
Bencmark for measuringperformance especia##y if a portfo#iois being managed on performance
fee basis,
Bencmark for bond index funds
Determining risk and return of abond portfo#io,
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Bui#ding and Maintaining aBond Index
"niverse of Bonds is broader and morediverse tan stocks) di6erent issuers7maturity7 type,
"niverse of bonds canges constant#y)severa# bond issues by variouscorporations7 canging caracteristics7
specia# features etc, 5o#ati#ity of bonds
*rob#ems in bond pricing due to #i3uidity,
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Bond 5a#uation
' bond as coupon interest of 89: andF5; +s, 8999, If time to maturity is 89years7 wat is te price of te bond
given a yie#d of at if te interest payment is semi
annua#=
Ca#cu#ate te va#ue of a 89 yr (erocoupon bond wit F5; 8999 and yie#dof
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Bond 5a#uation
Discount7 *remium and par va#uebonds
5a#ue wit time
' 89: bond as .TM ;y=
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Bond .ie#d
>at is yie#d=
Current ield
>at is te current yie#d of a @9 yearbond wit par va#ue of +s 8999coupon rate of A: paid semiannua##ytrading +s,
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Bond .ie#d
ield to .aturit#
/otal return ; Coupon Interest +ecovery of *rincipa# a#ong wit capita#gain or #oss +einvestment Income
' bond as E yr maturity7 F5; +s,89997 Issue price ;
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.ie#d to maturity
Consider a @9 year G8999 par va#ue bondwit A: coupon rate /semi annua#payments1 wit a fu## price of G
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.TM vs, +ea#i(ed .ie#d
>at if reinvestment rate canges to at is te rea#i(ed yie#dnow=
'n investor as a bond of maturity E9years7 paying annua# coupon of ,:purcased +s,
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Bond prices and .ie#ds
+einvestment risk
0ractice #ourself:
Consider a bond wit
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Bond prices and .ie#ds
"ond price vs ields
' bond as face va#ue +s, 8999coupon of A: paid semi annua##y,>at is its price if te .TM of tebond is
i1 E: ii1 A: iii1 8@:
'ns$ i189
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.ie#d to ca##
'n
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.ie#d to >orst
It is te worst yie#d outcome of a## tegiven possib#e ca## provisions of tebond
For -g$ ' @9 yr7 89: semiannua# paybond as a fu## price of 88@ and can beca##ed at 89@ in Hve years and at par in
seven years, Ca#cu#ate te .TM7 .TC 7.ie#d to Hrst *ar ca##,
>at is yie#d to worst=
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C#ean *rice vs, Dirty *rice
Dirty *rice ; C#ean *rice 'ccruedInterest
Ca#cu#ation of 'ccrued Interest$
Coupon(No of days since lastco!pon"no of days between twoco!pons payment dates#
Day Count Conventions$ E9LEA97'ctua#LEA97 'ctua#LEA7 'ctua#L'ctua#
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Measuring Interest rate risk
Cange in price due to cange inyie#d
Measured by D"+'TIO%
Measures interest rate senstivity
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Duration
Concept 8
Weighted time to maturit#1.acula#2s 3uration)
Ca#cu#ate te duration of a bond witface va#ue 8999 coupon rate
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Duration
'dding a Ca## option vs, duration
'dding a *ut option vs, duration
So $ig%er (&ower# co!pon means &ower
(%ig%er# d!ration
&onger (s%orter# mat!rity means
%ig%er (&ower# d!ration $ig%er (lower# mar'et yield means
&ower (%ig%er# d!ration
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Duration
Concept 4
S#ope of *rice .ie#d Curve) Hrst derivativeof price yie#d curve w,r,t yie#d /macu#ay
and modiHed duration Duration ; cange in priceLcange in
yie#d
's s#ope of price yie#d curve of bond isnegative +JS is negative
Cange in price ; & D cange in yie#d
Measures interest rate risk
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Duration
Concept 5
Sows te percentage cange inprice for one percent cange in yie#d,Measures interest rate senstivity
Say duration is A,
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Duration Nuestions
' bond as a duration of , If yie#dincreases from : to
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*5B*
It is te cange in va#ue /rupeeterms1 of a bondLportfo#io wen yie#dcanges by 8 basis point or 9,98:
It can be ca#cu#ated direct#y byHnding price at new yie#d or viaduration
06"0 7 duration ( 8!8889 ( ondvalue
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Convexity
'n increase in price of a bond wit 8:decrease in yie#d is more tan adecrease in price of te bond wit 8:
increase in yie#d, .ie#d ; 89:7 time ; E yrs7 F5 ; 8999
coupon ; : paid annua##y, >at is te
price if .TM ; : and if .TM ; 88: >at do you observe in terms of
percentage cange in price=
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Convexity
+eason$ Convexity
More convex a bond) better it is
Measures cange in Duration) secondderivative of price w,r,t yie#d dividedby bond price
2P
2
y
= 1
(1+y)2
CFt
(1+ y)t(t2 + t)
t=1
N
Convexity = 1
P
2P
2y
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Convexity
Conve(it# makes .acula#2s and.odied duration less relialemeasure of risk!
-6ective Duration is suitab#e for bonds
Due to presence of convexity as ittakes average price cange
In case of embedded options in a bond
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Convexity
Ca##ab#e bonds ave negativeconvexity, So price fa## is more tanprice rise7 ence average price
cange captured by e6ectiveduration is usefu#,
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-6ective Duration
Te formu#a for ca#cu#ating tee6ective duration of a bond is$
-6ective duration ; /bond pricewen yie#ds fa## &bond price wenyie#ds rise1 L @ /initia# price1 /cange in yie#d in decima# form1
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-6ective Duration
0ractice ;uestion
Suppose a ca##ab#e bond as a ca##price of G899 is se##ing today forGat is te e6ectiveduration of te bond=
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Duration and Convexitye6ect
Conve(it# makes duration aloneinsu
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Duration and Convexitye6ect
Duration does not a#one measure teentire price cange e6ect
percentage cange in price ;duration e6ect convexity e6ect
P&duration x / Qy1 Pconvexity / Qy1@R x 899
If Qy is in decima# convert eac effectback to percentage,
i d C i
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Duration and Convexitye6ect
'ame ,uestion as earlier
' bond as