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Commerzbank's commodity team, led by Barbara Lambrecht, reports that the Iran war has caused the largest oil supply disruption in history, with the International Energy Agency (IEA) estimating daily losses of at least 8 million barrels. This unprecedented supply shock has intensified market concerns over energy security, particularly in regions reliant on Middle Eastern oil exports. The disruption has already pushed crude prices to multi-year highs, with Brent crude surpassing $85 per barrel amid fears of prolonged geopolitical tensions. For traders and investors, the situation highlights the vulnerability of global energy markets to geopolitical shocks. Energy stocks, particularly those with exposure to oil production and refining, are likely to see increased volatility. Commodity-linked currencies like the Canadian dollar and Norwegian krone may also benefit from sustained high oil prices. Additionally, the crisis could accelerate the adoption of alternative energy sources and energy efficiency measures in oil-importing nations. Looking ahead, market participants should monitor OPEC+ policy decisions and potential U.S. shale production responses. The IEA's monthly reports will be critical in assessing the duration of supply outages. Investors should also consider hedging strategies to mitigate risks from further price swings, especially as winter heating demand peaks in the Northern Hemisphere.