WTI crude oil prices surged 74% in three weeks, climbing from to 5 per barrel by March 9, 2026, marking the largest weekly gain in CME records since 1983. The spike followed a US-Israeli military operation targeting Iranian nuclear sites, which killed Iran's Supreme Leader and led to the closure of the Strait of Hormuz. This chokepoint handles 20% of global oil supply, with transits dropping from 24 to four tankers daily. Goldman Sachs compared the disruption to 17 times the impact of Russia's 2022 invasion of Ukraine, forcing brokers to act swiftly. CFD brokers, facing unprecedented financial pressure, raised margin requirements and slashed leverage ratios to manage risk exposure. The volatility has critical implications for global markets. Brokers are tightening trading conditions, with firms like TMGM and The5ers increasing margin requirements from 200% to 500% and reducing leverage from 1:33 to 1:5. This mirrors 2020's risk management actions during the oil price crash. Traders now face restricted access to high-leverage oil positions, impacting retail investor strategies. The situation underscores the interconnectedness of geopolitical events and financial markets, with oil volatility spilling over into equity and forex sectors. For MENA investors, the Strait of Hormuz's closure poses immediate risks to regional energy security and trade routes. Gulf markets, heavily reliant on oil exports, may face inflationary pressures and supply chain disruptions. Traders should monitor Iran's response, US-Iran tensions, and OPEC+ policy shifts. Central banks in the region might adjust monetary policies to mitigate inflation, while energy firms could see stock price swings. The prolonged closure could also accelerate investments in alternative energy sources, reshaping long-term market dynamics.

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