Option pricing incorporating factor dynamics in complete markets

Yuan Hu, Abootaleb Shirvani, William Lindquist, Frank J Fabozzi, Svetlozar Rachev

Research output: Contribution to journalArticlepeer-review

Abstract

Using the Donsker–Prokhorov invariance principle, we extend the Kim–Stoyanov–Rachev–Fabozzi option pricing model to allow for variably-spaced trading instances, an important consideration for short-sellers of options. Applying the Cherny–Shiryaev–Yor invariance principles, we formulate a new binomial path-dependent pricing model for discrete- and continuous-time complete markets where the stock price dynamics depends on the log-return dynamics of a market influencing factor. In the discrete case, we extend the results of this new approach to a financial market with informed traders employing a statistical arbitrage strategy involving trading of forward contracts. Our findings are illustrated with numerical examples employing US financial market data. Our work provides further support for the conclusion that any option pricing model must preserve valuable information on the instantaneous mean log-return, the probability of the stock’s upturn movement (per trading interval),
Original languageEnglish
Pages (from-to)article #321, 33 pages
JournalJournal of Risk and Financial Management
DOIs
StatePublished - Dec 15 2020

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