The Early Exercise Risk Premium



Aretz, Kevin ORCID: 0000-0001-6463-7658 and Gazi, Adnan ORCID: 0009-0007-2469-8190
(2024) The Early Exercise Risk Premium. Management Science.

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Abstract

<jats:p> We study the asset pricing implications of being able to optimally early exercise plain vanilla puts, contrasting expected raw and delta-hedged returns across equivalent American and European puts. Our theory suggests that American puts yield less negative raw but more negative delta-hedged expected returns than equivalent European puts. The raw (delta-hedged) spread widens with a higher early exercise probability as induced through, for example, moneyness, time to maturity, and underlying asset volatility (variance and jump risk premiums). An empirical comparison of single-stock American puts with equivalent synthetic European puts formed from put–call parity supports our theory if and only if we allow for optimal early exercises in our return calculations. More strikingly, allowing for optimal early exercises significantly alters the profitability of 14 out of 15 well-known option anomalies with the average absolute change equal to 33% and five anomalies becoming insignificant. </jats:p><jats:p> This paper was accepted by Lukas Schmid, finance. </jats:p><jats:p> Supplemental Material: The internet appendix and data files are available at https://doi.org/10.1287/mnsc.2023.00440 . </jats:p>

Item Type: Article
Uncontrolled Keywords: 38 Economics, 3502 Banking, Finance and Investment, 3801 Applied Economics, 35 Commerce, Management, Tourism and Services
Divisions: Faculty of Humanities and Social Sciences > School of Management
Depositing User: Symplectic Admin
Date Deposited: 10 Oct 2023 07:32
Last Modified: 24 Jun 2024 06:15
DOI: 10.1287/mnsc.2023.00440
Related URLs:
URI: https://livrepository.liverpool.ac.uk/id/eprint/3173571