A data-driven approach for optimal operational and financial commodity hedging

Moritz Rettinger, Christian Mandl and Stefan Minner

European Journal of Operational Research, 2024, vol. 316, issue 1, 341-360

Abstract: Commodity price risk management has been subject to various modeling and optimization approaches. Recently, data-driven policies focusing on the decision rather than prediction quality have been developed to overcome price model misspecification. Yet, in the context of data-driven commodity purchasing, the existing literature either considers anticipatory inventory management or forward contracting where the decision frequency corresponds to the maturity of the traded contracts. We prove the optimality of a novel procurement policy combining operational and financial instruments with decision granularities independent of the derivative’s maturity. A mixed-integer programming model is developed to train policy parameters efficiently. We study the implications of policy complexity for learning-stability and out-of-sample generalization. Finally, we backtest the data-driven policy on real market data of four major commodities (i.e., copper, nickel, corn, and soybean) over ten years and show that the average savings potential of a combined financial and operational procurement policy compared to single-instrument strategies is up to 6.38% for corn where warehousing can efficiently mitigate price seasonality. The approach hedges corn and soybean commodities more efficiently through inventories while copper and nickel can be hedged efficiently by leveraging available financial instruments. Best model results are identified for a decision granularity with fewer parameters as high-frequent decisions deteriorate learning stability and model generalization.

Keywords: Decision analysis; Commodity procurement; Data-driven optimization; Model generalization (search for similar items in EconPapers)
Date: 2024
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:ejores:v:316:y:2024:i:1:p:341-360

DOI: 10.1016/j.ejor.2024.01.026

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