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Option-adjusted spread (OAS) is the yield spread which has to be added to a benchmark yield curve to discount a security's payments to match its market price, using a dynamic pricing model that accounts for embedded options. OAS is hence model-dependent.
The "yield spread of X over Y" is generally the annualized percentage yield to maturity (YTM) of financial instrument X minus the YTM of financial instrument Y. There are several measures of yield spread relative to a benchmark yield curve, including interpolated spread , zero-volatility spread , and option-adjusted spread (OAS).
In finance, a spread option is a type of option where the payoff is based on the difference in price between two underlying assets. For example, the two assets could be crude oil and heating oil; trading such an option might be of interest to oil refineries, whose profits are a function of the difference between these two prices.
(This is the embedded "option cost" that results in a lower option-adjusted spread.) Similar issues arise for callable bonds in the American municipal, corporate, and government agency sectors. As another way to compensate for prepayment risk (which is a reinvestment risk), a prepayment penalty clause is often included in the loan contract. [2 ...
He described the prevailing spread on US high-yield corporates as “paltry,” given the risk of owning them in the face of a looming recession. “Either s Fridson: Yield curve inversion versus ...
Spread duration is the sensitivity of a bond's market price to a change in option-adjusted spread (OAS). Thus the index, or underlying yield curve, remains unchanged. Thus the index, or underlying yield curve, remains unchanged.
Implied volatility has receded substantially across a range of markets including government bonds, equities, currencies and precious metals since peaking in March. In some asset classes, implied ...
option-adjusted spread, or the extra yield demanded by the security holder to compensate for the mortgage repayment option; current-coupon spread; volatilities; convexity; cost of carry; While all these factors can be important in accounting for changes in MBS returns, in practice a particular user may only select a subset.