The Daily Insight

Connected.Informed.Engaged.

The zero-volatility spread of a bond tells the investor the bond’s current value plus its cash flows at certain points on the Treasury curve where cash-flow is received. The Z-spread is also called the static spread. The spread is used by analysts and investors to discover discrepancies in a bond’s price.

How do you find the Z-spread of a bond?

The Z-spread of a bond is the number of basis points (bp, or 0.01%) that one needs to add to the Treasury yield curve (or technically to Treasury forward rates), so that the NPV of the bond cash flows (using the adjusted yield curve) equals the market price of the bond (including accrued interest).

What is G-spread and Z-spread?

Z-spread stands for zero-volatility spread. While G-spread and I-spread just measure the difference between the static yield to maturity of the bond and the Treasury yields or benchmark rate, Z-spread determines the difference in yields with reference to whole term structure of interest rates.

Is higher Z-spread better?

In practice, the Z-spread, especially for shorter dated bonds and for better credit-quality bonds, does not differ greatly from the conventional asset–swap spread. The Z- spread is usually the higher spread of the two, following the logic of spot rates, but not always.

What does Z spread measure?

The Z-spread is the uniform measurement comparing the bond’s price equal to its present cash flow value against each point of maturity for the Treasury yield curve. Therefore, the bond’s cash flow is discounted against the Treasury curve’s spot rate.

What is Z spread and OAS?

The Z Spread is the complete spread required by investors to compensate for all of the risk, including the embedded optionality, of the bond. OAS simply implies, what would the spread on this bond be if there wasn’t any optionality as priced in by the market.

How do you use Z-spread?

Put simply, the Z-spread is the basis point spread that would need to be added to the implied spot yield curve such that the discounted cash flows of the a bond are equal to its present value (its current market price). Each bond cashflow is discounted by the relevant spot rate for its maturity term.

What does Z-spread measure?

What is a high Z-spread?

Answer: Bond B is riskier and will sell at a lower price. Reason: Higher Z-spread implies it is riskier, and the higher discount rate makes the price lower than bond A.

What does a negative Z spread mean?

A z-spread, or zero-volatility spread, is the spread where the security’s discounted cash flows equal its present value on a spot yield curve. Z-spreads can also be used as an economic indicator, where a negative z-spread often indicates a recession is on its way.

Is OAS higher than Z-spread?

The OAS factors out (subtracts) the additional spread associated with the embedded option, so the OAS will be lower. It’s more useful than Z-spread because it allows for apples-to-apples comparisons between bullet maturities & callables.

What is the Z-spread of a bond?

The Z-spread of a bond is the number of basis points (bp, or 0.01%) that one needs to add to the Treasury yield curve (or technically to Treasury forward rates), so that the NPV of the bond cash flows (using the adjusted yield curve) equals the market price of the bond (including accrued interest).

How do you calculate the Z-spread?

Calculating the z-spread requires trial and error to find the correct spread, using basis points so that the present value of cash flows and the bond’s price are the same. A z-spread, or zero-volatility spread, is the spread where the security’s discounted cash flows equal its present value on a spot yield curve.

What is the Z- spread of a mortgage-backed security?

The Z-spread, ZSPRD, zero-volatility spread or yield curve spread of a mortgage-backed security (MBS) is the parallel shift or spread over the zero-coupon Treasury yield curve required for discounting a pre-determined cash flow schedule to arrive at its present market price.

What is the difference between Z spread and zero volatility spread?

Key Takeaways 1 The zero-volatility spread of a bond tells the investor the bond’s current value plus its cash flows at certain points on the Treasury curve where cash-flow is received. 2 The Z-spread is also called the static spread. 3 The spread is used by analysts and investors to discover discrepancies in a bond’s price.