TL;DR
A software developer has built a simulation demonstrating the effects of closing the Strait of Hormuz on global oil trade using actual trade data. The project aims to illustrate potential supply disruptions and economic impacts, drawing attention to geopolitical vulnerabilities. The simulation is a pedagogical tool, not a real-world prediction.
A software developer has built a simulation demonstrating the potential impact of closing the Strait of Hormuz on global oil trade, based on actual trade data. This project, shared on Show HN, aims to illustrate how such a geopolitical event could disrupt supply chains and influence global markets. The simulation is a pedagogical tool, not an actual prediction or policy proposal.
The developer, who conducted the project as part of a supply chain class at Columbia University, created a visualization that models the effects of shutting down the strait, a critical chokepoint for oil transportation. The simulation uses real trade flow data to estimate how much oil would be affected and the potential ripple effects across markets.
According to the developer, the project was initially a classroom exercise that evolved into a detailed visualization and academic paper. The tool allows users to see how disruptions at this strategic bottleneck could impact global oil prices, supply security, and economic stability.
While the simulation offers valuable insights, it remains a model based on assumptions and available data. It does not predict actual future events but provides a way to understand the potential consequences of a closure scenario.
Implications of the Simulation for Global Oil Security
This simulation highlights the vulnerability of global oil supply chains to geopolitical disruptions at the Strait of Hormuz, which handles approximately 20% of the world’s oil trade. It underscores the importance of strategic reserves and diversified supply routes.
Though theoretical, the project draws attention to the economic and geopolitical risks associated with tensions in the Persian Gulf region. Policymakers, industry stakeholders, and analysts may consider such models when assessing risks and contingency planning.

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Background on the Strait of Hormuz and Oil Trade Disruptions
The Strait of Hormuz, a narrow waterway between Oman and Iran, is a vital chokepoint through which a significant portion of the world’s oil passes. Historically, tensions in the region have periodically threatened supply routes, leading to fears of disruptions that could spike prices globally.
Previous incidents, such as Iran’s threats to close the strait or military tensions, have caused market volatility, but actual closures have not occurred on a large scale in recent decades. The region remains a focal point of geopolitical risk, influencing oil markets and international diplomacy.
This simulation builds on the understanding of these dynamics by using real trade data to model potential impacts, providing a tangible visualization of what a disruption could mean.
“This project was a classroom exercise that grew into a detailed visualization to help understand the potential impact of closing the Strait of Hormuz.”
— Developer of the simulation

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Limitations and Uncertain Aspects of the Simulation
The simulation is based on available trade data and certain assumptions about supply routes and market reactions. It does not account for real-time geopolitical developments, potential mitigation strategies, or adaptive behaviors by market participants.
It remains a model rather than a precise forecast, and actual outcomes could differ significantly depending on various factors, including international responses and technological adaptations.

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Potential Uses and Future Developments of the Simulation Tool
Developers and researchers may expand the simulation to include more variables, such as alternative routes, strategic reserves, or military interventions. Policymakers could use such models for risk assessment and contingency planning.
Further academic work might analyze the model’s assumptions or compare it with historical disruptions to validate its accuracy. Public dissemination of similar tools could enhance awareness of geopolitical vulnerabilities.

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Key Questions
Is this simulation an actual prediction of what will happen if the Strait of Hormuz is closed?
No, it is a visualization tool based on real trade data designed for educational purposes. It does not predict future events but illustrates potential impacts of a hypothetical closure.
How accurate is the model used in this simulation?
The model relies on available trade data and assumptions about disruption effects. While it provides useful insights, it cannot account for all real-world variables or sudden geopolitical changes.
Could this simulation be used by policymakers?
Potentially, as a risk assessment tool to understand vulnerabilities. However, it should be complemented with other analyses and expert judgment.
What are the main limitations of the simulation?
It is based on static data and assumptions that may not reflect real-time responses or adaptive strategies by nations and markets. It is not a predictive model but an illustrative visualization.
Source: hn