'The True and Fair View' of Executive Stock Option Valuation

We compare the market values of executive stock option (ESO) trades with their Black & Scholes (1973) model values calculated following the major accounting standards, SFAS No. 123r and IFRS2. Our results show major underpricing compared to the traditional B&S method values. This should be c...

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Veröffentlicht in:The European accounting review 2006-09, Vol.15 (3), p.351-366
Hauptverfasser: Ikäheimo, Seppo, Kuosa, Nuutti, Puttonen, Vesa
Format: Artikel
Sprache:eng
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Zusammenfassung:We compare the market values of executive stock option (ESO) trades with their Black & Scholes (1973) model values calculated following the major accounting standards, SFAS No. 123r and IFRS2. Our results show major underpricing compared to the traditional B&S method values. This should be considered while applying SFAS No. 123r and IFRS2 for estimating fair values. Especially time to expiration has a major influence on the undervaluation suggesting that the possibility of a change in corporate structure lowers the cost of ESOs to shareholders.
ISSN:0963-8180
1468-4497
DOI:10.1080/09638180600916267