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<p>This paper examines how geopolitical shocks reshape pricing in the crude oil shipping market, using the 2026 U.S.–Iran conflict and the associated risk of a blockade of the Strait of Hormuz as a natural experiment. It asks whether freight rates respond through gradual adjustment or rapid risk repricing. Combining event study and volatility models, the results show that freight rates react sharply within a short window, accompanied by a surge in volatility and tail risk. The relationship between freight rates and oil prices remains weak, while their linkage with geopolitical risk strengthens significantly. Moreover, routes with higher exposure to chokepoint risk experience larger price increases. These findings suggest that under extreme events, freight rates shift from cost-based to risk-based pricing, effectively acting as a market indicator of geopolitical uncertainty. The study contributes to understanding risk transmission in energy transportation and provides implications for shipping firms, energy importers, and policymakers concerned with supply chain resilience.</p>

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Geopolitical shocks and risk pricing in tanker shipping

  • 期刊论文

  • 发表日期：

    2026年7月8日

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  • Jing Liang,
  • Xiaolong Sun

摘要

This paper examines how geopolitical shocks reshape pricing in the crude oil shipping market, using the 2026 U.S.–Iran conflict and the associated risk of a blockade of the Strait of Hormuz as a natural experiment. It asks whether freight rates respond through gradual adjustment or rapid risk repricing. Combining event study and volatility models, the results show that freight rates react sharply within a short window, accompanied by a surge in volatility and tail risk. The relationship between freight rates and oil prices remains weak, while their linkage with geopolitical risk strengthens significantly. Moreover, routes with higher exposure to chokepoint risk experience larger price increases. These findings suggest that under extreme events, freight rates shift from cost-based to risk-based pricing, effectively acting as a market indicator of geopolitical uncertainty. The study contributes to understanding risk transmission in energy transportation and provides implications for shipping firms, energy importers, and policymakers concerned with supply chain resilience.