Zed Three guides

Geopolitical risk guides for business

Clear answers on the political, security and shipping risks that move costs, supply chains and deals, with likelihood ranges and links to country assessments.

Risk guides

30 guides for business buyers

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Buying risk intelligence

Shipping and chokepoints

Is the strait of hormuz international watersIs the Strait of Hormuz international waters?No. The Strait of Hormuz lies within the territorial seas of Iran and Oman, but it is an international strait with transit passage rights. What that means for shipping in 2026.Strait of hormuz oil percentageHow much of the world's oil goes through the Strait of Hormuz?About 20% of global oil consumption and one fifth of LNG trade passed through Hormuz before the 2026 war. Who exports it, who buys it and how much is moving now.Strait of hormuz closure impact on oil pricesHow does a Strait of Hormuz closure affect oil prices?What the 2026 Hormuz closure has done to Brent, why prices swing on diplomacy headlines, and how energy buyers should plan for the next three months.Red sea shipping crisisRed Sea shipping crisis: where things stand in late 2026Container lines are returning to the Red Sea and Suez transits are climbing, but volumes remain below pre-crisis levels and Houthi risk has not gone away.Cape of good hope reroutingCape of Good Hope rerouting: what it costs and when it endsWhy carriers diverted around Africa, how many days it adds, and what to watch as Red Sea routings return in late 2026.Panama canal restrictionsPanama Canal restrictions: current draft limits and transit slotsThe Panama Canal raised its Neopanamax draft to 49 feet and offers 33 daily slots from Oct 15, 2026. What remains restricted and what El Nino could change.Strait of malacca importanceWhy is the Strait of Malacca so important?The Strait of Malacca carries about 22% of seaborne trade and more oil than Hormuz. Why it matters for Asian supply chains and what could disrupt it.Semiconductor supply chainSemiconductor supply chain risk and a Taiwan blockadeTaiwan holds about 63% of global chip capacity at 7 nm and below. How a blockade or quarantine would hit chips, which sectors are exposed and how likely it is.Dark fleet tankersDark fleet tankers: what they are and why they matterEstimates put the dark or shadow fleet at 1,100 to 1,600 tankers in 2026. How it works, who runs it and the compliance and safety risk it creates.Maritime security threatsThe main maritime security threats facing shipping in 2026GPS jamming, mines, drone and missile strikes, seizures and piracy: where each threat is concentrated in 2026 and what operators can do.

Marine and political risk insurance

Political and geopolitical risk

Geopolitical risk assessmentHow to do a geopolitical risk assessmentA four step approach to geopolitical risk assessment for companies: map exposure, identify drivers, build scenarios with likelihoods, measure impact and set triggers.Geopolitical risk managementGeopolitical risk management for companiesHow to build a geopolitical risk management program: governance, monitoring, mitigation options, testing and board reporting.Geopolitical risk examplesGeopolitical risk examples affecting business in 2026Eight real examples of geopolitical risk hitting companies in 2026, from the Hormuz closure and Red Sea diversions to sanctions, mine seizures and chip concentration.Political risk examplesTypes of political risk, with real examplesThe main types of political risk companies face abroad, from expropriation and currency controls to unrest and contract breach, with recent examples.What is country riskWhat is country risk?Country risk is the chance that conditions in a country hurt a foreign company's investment, trade or people. What it includes and how country risk ratings work.Expropriation riskExpropriation risk: what it is and how to manage itExpropriation risk is the risk a government seizes or nationalizes a foreign investment. Recent Sahel cases, warning signs and protection options.Sanctions riskSanctions risk: what companies need to watch in 2026How sanctions risk reaches companies through counterparties, vessels, banks and supply chains, and what 2026 enforcement on Iran and the shadow fleet means.Geopolitical risk consultingGeopolitical risk consulting: what to expect and how to chooseWhat geopolitical and political risk consultants deliver, how to judge quality, and the questions to ask before you hire one.

Supply chain and energy

People and security

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