Topic 5 Fixed Income Flashcards
Define yield to maturity (5)
- YTM is defined as the interest rate that makes the present value of the bonds payments equal to its price.
- To calculate, solve the bond price equation for the interest rate given the bonds price
- Internal rate of return, holding period return
- Assumes all coupons are reinvested at the yield
- YTM is NOT the same as current yield
Define current yield
Current yield is the bonds annual coupon payment divided by the bond price
Coupon rate (define)
Coupon rate divides the coupon payments by the par value
Yield to maturity vs holding period return
When the yield to maturity is unchanged over the holding period the rate of return will equal that yield.
When yields fluctuate, so too will the HPR.
YTM depends on the bond’s coupon, CURRENT price, and par value at maturity, which are all observable today.
HPR depends on the market price of the bond at the end of the holding period, which is not known today.
Determinants of bond safety (5)
- Coverage ratios (times interest earned, fixed charge coverage)
- Leverage ratio: debt to equity
- Liquidity ratio: current ratio (CA/CL), quick ratio (CA excl inventories/CL)
- Profitability ratios: indicators of firms overall financial health. ROA, ROE
- Cashflow to debt ratio: ratio of total cashflow to outstanding debt
Edward Altman test to discriminate bankruptcy
Assign a score based on financial characteristics. If score exceeds cutoff value firm deemed creditworthy. If below, significant bankruptcy risk in near future.
Pure yield curve
Curve for stripped (zero coupon) bond
On the run yield curve
Plot of yield as a function of maturity for recently issued coupon bonds selling at or near par value
Spot rate
Yield to maturity on zero coupon bonds ie the rate that prevails today for a time period corresponding to the zero’s maturity
Short rate
Interest rate for a given time interval, at different points in time
Forward interest rate
- Forward rates are interest rates that relate to forward maturities.
- Can be implied from the present yield curve
- Future interest rates are unknown. Therefore it is a FORWARD INTEREST RATE not a future short rate because it need not be the interest rate that actually will prevail at the future date.
- Forward rate can be thought of as comprised of expectations plus a liquidity premium. Forward rate should exceed the expected short rate
Theories of term structure (2)
- Expectations hypothesis
Forward rate equals market consensus expectations of the future short rate and liquidity premiums are zero - Liquidity preference
Investors require a premium to hold bonds with maturities different to their investment horizons. Theory is that short term investors dominate the market so the forward rate will generally exceed the expected short rate.
Does the yield curve reflect expectations of future rates
Yes, but it also reflects things such as liquidity premiums
Also forecasts of interest rates may have different investment considerations. (Are those changes driven by expected inflation rate or the real rate)
Define default premium(2)
Define risk structure of interest rates
- Compensation for the possibility of default.
- The difference between the corporate yield and govt bond yield
Risk structure of interest rates is the pattern of default premiums
Define credit default swaps
- Insurance policy on the default risk of a corporate bond or loan
- 5% means buyer pays seller $1.50 for each $1 of bond principal in the event of default
- Compensation can be physical (ie delivery of defaulted bond) or cash settled (issuer pays holder the difference between the par value of the bond and its market price)
- Pricing should reflect the difference in credit spread between the bond rating and the rating of the CDS issuer
Interest rate risk, list 4 properties
- Bond prices and yields are inversely related
- The price and yield relationship is nonlinear (convex)
- Long maturity bonds are more interest rate sensitive
- Lower coupon paying bonds are more interest rate sensitive
Also, sensitivity of a bond’s price to a change in yield is inversely related to the YTM at which the bond is currently selling
Applications for duration (2)
- Estimating the impact of interest rate changes
2. Positioning a portfolio to maximize the benefit from a correct view in interest rates