 Black-Scholes Approximation of Warrant Prices: Slight Return in a Low Interest Rate EnvironmentPost-Print from HAL Abstract: The objective of this paper is to emphasize the di¤erences between a call and a warrant as well as the di¤erent valuation methods of warrants which have been introduced in the nancial literature. For the sake of simplicity and applicability, we only consider a debt-free equitynanced rm. More recently a formal distinction between structural and reduced form pricing models has been introduced. This distinction is important whether one wishes to price a new warrant issue or outstanding warrants. If we are interested in pricing a new issue of warrants, e.g. in the context of a management incentive package, one has to rely on a structural model. However most of practitioners use the simple Black-Scholes formula. In this context, we analyze the accuracy of the approximation of the "true" price of a warrant by the Black-Scholes formula. We show that in the current low interest rate environment, the quality of the approximation deteriorates and the sensitivity of this approximation to the volatility estimate increases. Keywords: Warrant; Option; Black-Scholes (search for similar items in EconPapers) Published in Annals of Operations Research, inPress, ⟨10.1007/s10479-022-04622-6⟩ Downloads: (external link) Related works: Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text Persistent link: https://EconPapers.repec.org/RePEc:hal:journl:hal-03672714 DOI: 10.1007/s10479-022-04622-6 Access Statistics for this paper More papers in Post-Print from HAL |
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