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Pricing European options with a log Student’s t-distribution: A Gosset formula
The distributions of returns for stocks are not well described by a normal probability density function (pdf). Student’s t-distributions, which have fat tails, are known to fit the distributions of the returns. We present pricing of European call or put options using a log Student’s t-distribution,...
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Published in: | Physica A 2010-12, Vol.389 (24), p.5736-5748 |
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Main Authors: | , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | The distributions of returns for stocks are not well described by a normal probability density function (pdf). Student’s
t-distributions, which have fat tails, are known to fit the distributions of the returns. We present pricing of European call or put options using a log Student’s
t-distribution, which we call a Gosset approach in honour of W.S. Gosset, the author behind the
nom de plume Student. The approach that we present can be used to price European options using other distributions and yields the Black–Scholes formula for returns described by a normal pdf. |
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ISSN: | 0378-4371 1873-2119 |
DOI: | 10.1016/j.physa.2010.08.037 |