Understanding and Regulating Benchmark-Linked Markets after the Libor, WTI and Nickel Dislocations

40 Pages Posted: 6 Dec 2022 Last revised: 9 Dec 2022

See all articles by David Murphy

David Murphy

London School of Economics - Law School

Date Written: November 25, 2022

Abstract

A financial market benchmark is a measure of performance. Prominent examples include the settlement prices of widely used futures contracts and measures which abstract away from a group of transactions or other information from a cash market and produce a reference price or rate, such as interest rate benchmarks. Benchmarks mediate a connection between a cash market – which, being concerned with real assets, is often complex – and an ‘abstract’ or benchmark-linked market. The relationship between these markets is often sustained by arbitrage: it may also be grounded in physical settlement. This setting is analysed, and it is found that market participants often rely on the stability of the connection between the two markets. However, connections like this can break down, as consideration of the Libor scandal, the negative settlement price on the benchmark U.S. crude oil futures contract, WTI, and the recent dislocation in the Nickel futures market demonstrates. The first of these episodes stimulated regulatory action on financial market benchmarks: the paper discusses why it was unable to prevent the latter two stresses, and what these episodes reveal about the utility created by successful financial market benchmarks, the status of abstract markets, and the proper aims of benchmark policy.

Keywords: Benchmark Manipulation, Benchmark Regulation, Financial Market Benchmark, Hedging, Libor Reform, Libor Scandal, Nickel Market Crisis, WTI Market Crisis

Suggested Citation

Murphy, David, Understanding and Regulating Benchmark-Linked Markets after the Libor, WTI and Nickel Dislocations (November 25, 2022). LSE Legal Studies Working Paper No. 17/2022, Available at SSRN: https://ssrn.com/abstract=4286114 or http://dx.doi.org/10.2139/ssrn.4286114

David Murphy (Contact Author)

London School of Economics - Law School

Houghton Street
London WC2A 2AE, WC2A 2AE
United Kingdom

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