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Dynamics of Arbitrage

Published online by Cambridge University Press:  17 August 2020

Louis H. Ederington*
Affiliation:
University of Oklahoma Price College of Business lederington@ou.edu
Chitru S. Fernando
Affiliation:
University of Oklahoma Price College of Business cfernando@ou.edu
Kateryna V. Holland
Affiliation:
University of Missouri Trulaske College of Business kateryna.holland@missouri.edu
Thomas K. Lee
Affiliation:
Energy Information Administration (EIA), U.S. Department of Energy Thomas.Lee@eia.gov
Scott C. Linn
Affiliation:
University of Oklahoma Price College of Business slinn@ou.edu
*
lederington@ou.edu (corresponding author)
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Abstract

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We study the dynamics of cash-and-carry arbitrage using the U.S. crude oil market. Sizable arbitrage-related inventory movements occur at the New York Mercantile Exchange (NYMEX) futures contract delivery point but not at other storage locations, where instead, operational factors explain most inventory changes. We add to the theory-of-storage literature by introducing two new features. First, due to arbitrageurs contracting ahead, inventories respond to not only contemporaneous but also lagged futures spreads. Second, storage-capacity limits can impede cash-and-carry arbitrage, leading to the persistence of unexploited arbitrage opportunities. Our findings suggest that arbitrage-induced inventory movements are, on average, price stabilizing.

Information

Type
Research Article
Copyright
© THE AUTHOR(S), 2020. PUBLISHED BY CAMBRIDGE UNIVERSITY PRESS ON BEHALF OF THE MICHAEL G. FOSTER SCHOOL OF BUSINESS, UNIVERSITY OF WASHINGTON
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