Document Type

Article

Publication Date

1-21-2006

Abstract

This article studies the pricing of options in an extended Black Scholes economy in which the underlying asset is not perfectly liquid. The resulting liquidity risk is modeled as a stochastic supply curve, with the transaction price being a function of the trade size. Consistent with the market microstructure literature, the supply curve is upward sloping with purchases executed at higher prices and sales at lower prices. Optimal discrete time hedging strategies are then derived. Empirical evidence reveals a significant liquidity cost intrinsic to every option.

Comments

This is a pre-copy-editing, author-produced PDF of an article accepted for publication in The Review of Financial Studies following peer review. The definitive publisher-authenticated version

U. Çetin, R. Jarrow, P. Protter, M. Warachka, Pricing Options in an Extended Black Scholes Economy with Illiquidity: Theory and Empirical Evidence, The Review of Financial Studies, Volume 19, Issue 2, Summer 2006, Pages 493–529

is available online at https://doi.org/10.1093/rfs/hhj014.

Peer Reviewed

1

Copyright

Oxford University Press

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