Asymmetries in Agricultural Commodity Prices: A University of Ioannina Study

Strategic Insights -

A recent research study has shed light on the complex relationships between spot and futures prices in the markets of agricultural commodities, specifically corn, hard red wheat, and soybeans. The study, conducted by University of Ioannina researcher Dimitrios Panagiotou, used daily observations of spot and futures prices over a period of 25 years, from January 2000 to March 2025. The findings reveal evidence of asymmetric dependence in sign and size, highlighting the importance of understanding these dynamics to diversify investment risk.

Key Takeaways:

  • The study examined asymmetries in sign and size among spot and futures prices in corn, hard red wheat, and soybeans markets.
  • Daily observations of spot and futures prices were used, with the empirical results obtained for the period between January 2000 and the end of March 2025.
  • The study found evidence of asymmetric dependence in sign and size, with extreme price increases/decreases of different signs but of the same absolute magnitude being transmitted from futures to spot prices with different intensity.
  • Large price shocks in value were transmitted from futures to spot prices more forcefully compared to smaller ones.
  • The research concluded that evidence of sign and size asymmetries might greatly help diversify the traders' investment risk.
  • The study highlights the importance of understanding these dynamics to make informed investment decisions.
  • The research has implications for traders and investors seeking to minimize risk in agricultural commodity markets.

Statistics:

  • The study used daily observations of spot and futures prices for 25 years, from January 2000 to March 2025.
  • The empirical results reveal evidence of asymmetric dependence in sign and size for the commodities of corn, hard red wheat, and soybeans.
  • The study found that extreme price increases/decreases of different signs but of the same absolute magnitude are transmitted from futures to spot prices with different intensity.
  • Large price shocks in value are transmitted from futures to spot prices more forcefully compared to smaller ones.

Sources:

  • Sign and size asymmetries between futures and spot prices in the markets of agricultural commodities. Modern Finance, 2025, 3(3).
  • University of Ioannina Researcher Illuminates Research in Agriculture (Sign and size asymmetries between futures and spot prices in the markets of agricultural commodities). Agriculture Week. July 31, 2025; p 420.