dorsal/arxiv
View SchemaDelta Hedged Option Valuation with Underlying Non-Gaussian Returns
| Authors | L. Moriconi |
|---|---|
| Categories | |
| ArXiv ID | physics/0602048 |
| URL | https://arxiv.org/abs/physics/0602048 |
| DOI | 10.1016/j.physa.2007.01.018 |
Abstract
The standard Black-Scholes theory of option pricing is extended to cope with underlying return fluctuations described by general probability distributions. A Langevin process and its related Fokker-Planck equation are devised to model the market stochastic dynamics, allowing us to write and formally solve the generalized Black-Scholes equation implied by dynamical hedging. A systematic expansion around a non-perturbative starting point is then implemented, recovering the Matacz's conjectured option pricing expression. We perform an application of our formalism to the real stock market and find clear evidence that while past financial time series can be used to evaluate option prices before the expiry date with reasonable accuracy, the stochastic character of volatility is an essential ingredient that should necessarily be taken into account in analytical option price modeling.
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"abstract": "The standard Black-Scholes theory of option pricing is extended to cope with\nunderlying return fluctuations described by general probability distributions.\nA Langevin process and its related Fokker-Planck equation are devised to model\nthe market stochastic dynamics, allowing us to write and formally solve the\ngeneralized Black-Scholes equation implied by dynamical hedging. A systematic\nexpansion around a non-perturbative starting point is then implemented,\nrecovering the Matacz\u0027s conjectured option pricing expression. We perform an\napplication of our formalism to the real stock market and find clear evidence\nthat while past financial time series can be used to evaluate option prices\nbefore the expiry date with reasonable accuracy, the stochastic character of\nvolatility is an essential ingredient that should necessarily be taken into\naccount in analytical option price modeling.",
"arxiv_id": "physics/0602048",
"authors": [
"L. Moriconi"
],
"categories": [
"physics.soc-ph",
"cond-mat.stat-mech",
"q-fin.PR"
],
"doi": "10.1016/j.physa.2007.01.018",
"title": "Delta Hedged Option Valuation with Underlying Non-Gaussian Returns",
"url": "https://arxiv.org/abs/physics/0602048"
},
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