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Looking for a Black-Scholes Employee Stock Option valuatiion mode.
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#2
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Looking for a Black-Scholes Employee Stock Option valuatiionmode.
Is the underlying stock publicly traded?
Alan Beban |
#3
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Looking for a Black-Scholes Employee Stock Option valuatiion m
"Alan Beban" wrote: Is the underlying stock publicly traded? Alan Beban No, shadow stock of a private company with annual valuations done internally by auditors annually with trading restrictions such that exercise of vested shares can only be done in the month following the new valuation. Then the window closes. An exotic employee stock option. Bailey |
#4
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Looking for a Black-Scholes Employee Stock Option valuatiionm
Bailey W. wrote:
"Alan Beban" wrote: Is the underlying stock publicly traded? Alan Beban No, shadow stock of a private company with annual valuations done internally by auditors annually with trading restrictions such that exercise of vested shares can only be done in the month following the new valuation. Then the window closes. An exotic employee stock option. Bailey The reason I asked is that I've never been convinced that the Black-Scholes approach has anything to do with the value of options on stock for which there is no market; it might be interesting for you to research whether reputable economists think differently. By the time you get finished making the silly assumptions that accountants foist on privately held companies (such as volatility of "comparable" companies) and the limiting assumptions of the model (e.g., the "market" is efficient), I don't believe that the model has anything to do with your reality. I think that the difficulty of valuing options on non-publicly-traded stock is so difficult (ephemeral?) that people grab onto the Black-Scholes model because it purports to value stock options, and that for lack of any other rational approach people seem to like to pretend that a stock option is a stock option is a stock option. That difficulty is recognized by tax rules that apply differently depending on whether or not the underlying stock has "a readily ascertainable fair market value". Since I got myself started, I will go on to say that the efforts of the S.E.C. and the accounting profession to assign to closely held companies the rules that are being debated for reporting stock option information to shareholders of publicly traded companies, including information based on the Black-Scholes model, is utter nonsense. But then, what do I know? Alan Beban |
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