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For an MBS, the word "option" in option-adjusted spread relates primarily to the right of property owners, whose mortgages back the security, to prepay the mortgage amount. Since mortgage borrowers will tend to exercise this right when it is favourable for them and unfavourable for the bond-holder, buying an MBS implicitly involves selling an ...
In finance, a debit spread, a.k.a. net debit spread, results when an investor simultaneously buys an option with a higher premium and sells an option with a lower premium. . The investor is said to be a net buyer and expects the premiums of the two options (the options spread) to wid
In mathematical finance, Margrabe's formula [1] is an option pricing formula applicable to an option to exchange one risky asset for another risky asset at maturity. It was derived by William Margrabe (PhD Chicago) in 1978. Margrabe's paper has been cited by over 2000 subsequent articles.
The calendar call spread (see calendar spread) is a bullish strategy and consists of selling a call option with a shorter expiration against a purchased call option with an expiration further out in time. The calendar call spread is basically a leveraged version of the covered call (see above), but purchasing long call options instead of ...
As above, the PDE is expressed in a discretized form, using finite differences, and the evolution in the option price is then modelled using a lattice with corresponding dimensions: time runs from 0 to maturity; and price runs from 0 to a "high" value, such that the option is deeply in or out of the money. The option is then valued as follows: [5]
Options spreads are the basic building blocks of many options trading strategies. [6] A spread position is entered by buying and selling options of the same class on the same underlying security but with different strike prices or expiration dates. An option spread shouldn't be confused with a spread option.
For example, a bull spread constructed from calls (e.g., long a 50 call, short a 60 call) combined with a bear spread constructed from puts (e.g., long a 60 put, short a 50 put) has a constant payoff of the difference in exercise prices (e.g. 10) assuming that the underlying stock does not go ex-dividend before the expiration of the options.
The option strategy where the middle options (the body) have different strike prices is known as a Condor. A Christmas tree butterfly (not to be confused with the unrelated option combination also called a Christmas tree ) consists of six options used to create a payoff diagram similar to a butterfly but slightly bearish or bullish instead of ...