Warrant Pricing Using Unobservable Variables
Posted: 5 Nov 2003
The classical warrant pricing formula requires knowledge of the firm value and the variance of the firm value process. When warrants are outstanding the firm value itself is a function of the warrant price. Firm value and the variance of the firm value are then unobservable variables. I develop an algorithm for pricing warrants using stock prices, an observable variable, and variance of stock returns. The method also enables estimation of the variance of firm value. A proof of existence of the solution is provided.
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