{"id":240380,"date":"2026-03-18T08:54:35","date_gmt":"2026-03-18T12:54:35","guid":{"rendered":"https:\/\/ibkrcampus.com\/campus\/?p=240380"},"modified":"2026-03-19T04:42:02","modified_gmt":"2026-03-19T08:42:02","slug":"a-grey-swan-in-the-strait-more-than-an-oil-shock","status":"publish","type":"post","link":"https:\/\/www.interactivebrokers.com\/campus\/traders-insight\/a-grey-swan-in-the-strait-more-than-an-oil-shock\/","title":{"rendered":"A Grey Swan in the Strait: More Than an Oil Shock"},"content":{"rendered":"\n<p>As the war in the Middle East rages for the third week, financial markets continue to fixate on the oil and natural gas prices. Fair enough. Many can already cite this statistic in their sleep: about a fifth of the world\u2019s oil and liquefied natural gas moves through the <strong>Strait of Hormuz<\/strong>. Iran has effectively shut that narrow passage, leaving most tankers and cargo ships unable, or unwilling, to pass. The crude is zigzagging around a $100 per barrel.<\/p>\n\n\n\n<p>But the strait is also a crucial shipping route to <strong>helium<\/strong>, <strong>bromine<\/strong>, and <strong>fertilizer chemicals<\/strong>. As prices for these lesser-known materials of the global economy soar, the impact is felt across sectors. <em>Combined <\/em>with the oil shock, this turns a regional conflict into a <strong>global supply-chain squeeze<\/strong> that feeds into agriculture, metals, technology, and, ultimately, consumer prices.<\/p>\n\n\n\n<p>The closure of the Strait of Hormuz is a textbook <strong>grey swan<\/strong>: a disruptive event that is foreseeable but routinely underestimated and not priced in by the markets. That sets it apart from a black swan, which shocks because no one expects it \u2014 except maybe in hindsight.<\/p>\n\n\n\n<p>Analysts, war\u2011gamers, and policymakers had warned for decades that Iran could choke the strait. But markets grew used to the threat never quite materializing, and when investors did think about it, the focus was almost always on crude oil. Even after the COVID-19 shock taught important lessons about the fragility of global supply chains, there has been little appreciation of the wider role that the Strait of Hormuz plays in the global economy. &nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-the-roots-of-food-inflation\"><strong>The Roots of Food Inflation<\/strong><\/h3>\n\n\n\n<p>Modern agriculture runs on chemistry. Large, reliable harvests depend on fertilizers and pesticides that keep yields high and food comparatively cheap. Many of these chemicals are produced in the Gulf region, often as a by-product of oil and gas refining, and then shipped through the Strait of Hormuz.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Half of the world\u2019s <strong>urea<\/strong>, the most used nitrogen-based fertilizer in the world.<\/li>\n\n\n\n<li>Almost a third of <strong>ammonia<\/strong><\/li>\n\n\n\n<li>More than 40% of the world\u2019s <strong>sulfur<\/strong><\/li>\n<\/ul>\n\n\n\n<p>When shipping of these materials slows or stalls, supplies tighten, and prices rise.<\/p>\n\n\n\n<p>Farmers feel this pressure first. Higher fertilizer prices raise planting costs. At the same time, more expensive fuel and gas push up the cost of transporting crops and heating greenhouses. Food prices rarely jump overnight. Instead, the costs creep higher across the supply chain over the months, eventually showing up on supermarket shelves.<\/p>\n\n\n\n<p>By the time consumers notice, the disruption at sea could already be old news. But if the Strait of Hormuz remains closed or heavily disrupted, the resulting squeeze on farmers risks turning into a much more severe and persistent food\u2011price shock.<\/p>\n\n\n\n<p>A similar dynamic played out in 2022 after Russia\u2019s invasion of Ukraine disrupted global energy, fertilizer, and grain flows, pushing food prices sharply higher.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1044\" height=\"637\" data-src=\"https:\/\/www.interactivebrokers.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/03\/Chart_FAO-Food-Index.png\" alt=\"\" class=\"wp-image-240381 lazyload\" data-srcset=\"https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/03\/Chart_FAO-Food-Index.png 1044w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/03\/Chart_FAO-Food-Index-700x427.png 700w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/03\/Chart_FAO-Food-Index-300x183.png 300w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/03\/Chart_FAO-Food-Index-768x469.png 768w\" data-sizes=\"(max-width: 1044px) 100vw, 1044px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1044px; aspect-ratio: 1044\/637;\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-the-chemical-pressure-behind-metal-prices\"><strong>The Chemical Pressure Behind Metal Prices<\/strong><\/h3>\n\n\n\n<p>In addition to being an important fertilizer ingredient, sulfur has other critical industrial uses. The vast majority of the world\u2019s supply is refined into <strong>sulfuric acid<\/strong>, which is used for everything from pesticides and batteries to medicine and detergents.<\/p>\n\n\n\n<p>Miners use sulfuric acid to leach and separate metals such as <strong>copper<\/strong>, <strong>nickel<\/strong>, <strong>uranium<\/strong>, and <strong>zinc<\/strong>. It\u2019s also widely used in extracting <strong>rare earths<\/strong>, vital elements used in renewable energy systems, electric vehicles, and smart devices.<\/p>\n\n\n\n<p>Many producers depend on sulfur imports from the Gulf. Sulfur can be mined, but the majority of the world\u2019s supply originates from oil and gas refining. That makes it especially vulnerable when energy production and shipping are disrupted at the same time.<\/p>\n\n\n\n<p>Mining companies can absorb the shock for a while using stockpiles. But those buffers are limited. Once they run down, extraction becomes more expensive or slows altogether.<\/p>\n\n\n\n<p>The timing is painful. Copper prices were already hovering near <em>all-time highs<\/em> before the war. According to the International Energy Agency, copper mines aren\u2019t yielding as much high-quality ore as before, and new mining projects are increasingly complex, resulting in a supply deficit that could hit 30% by 2035. Simultaneously, the demand is pushed up by the AI boom, which hungers for more data centers and power-grid updates.<\/p>\n\n\n\n<p>A chemical bottleneck in the Gulf could push copper prices even higher.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-even-chips-are-caught-in-the-squeeze\"><strong>Even chips are caught in the squeeze<\/strong><\/h3>\n\n\n\n<p>The semiconductor industry may seem far removed from Middle Eastern shipping lanes, but it is deeply exposed to them.<\/p>\n\n\n\n<p>Chip manufacturing relies on a fragile ecosystem of materials. Helium is used to cool equipment and prevent unwanted chemical reactions. Sulfuric acid cleans silicon wafers to extreme levels of purity. Bromine, much of it found in the Dead Sea, is used to etch microscopic patterns onto chips.<\/p>\n\n\n\n<p>About a fifth of the world\u2019s helium is used by the semiconductor companies. Other uses include cooling superconducting magnets in MRI machines and, of course, party balloons. More than a third of the world\u2019s helium is supplied by Qatar as a by-product of LNG processing.<\/p>\n\n\n\n<p>Helium squeeze shows how technology inflation can start far from the tech itself.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-how-iran-controls-the-strait\"><strong>How Iran Controls the Strait<\/strong><\/h3>\n\n\n\n<p>The Strait of Hormuz has never been this thoroughly impassable during modern times.<\/p>\n\n\n\n<p>Advances in drones, missiles, mine warfare, and electronic disruption have made it easier, cheaper, and faster for Iran to render the strait shut for commercial shipping. The threat alone sends insurance costs soaring, making shipowners hesitate to even attempt a crossing. For cargo already inside the Gulf, there is no alternative sea route at all.<\/p>\n\n\n\n<p>Pipelines offer some relief for oil exports, but cannot replace the sheer volume that moves through the strait, and won\u2019t help with other materials that are disrupted. Helium, for example, requires highly specialized transport conditions involving cryogenic liquid containers.<\/p>\n\n\n\n<p>US and Israeli efforts to reopen the strait by force have so far failed. While the US has called on Nato allies to help police the waterway, most have refused to send naval assets into a narrow, mine\u2011threatened chokepoint to help with a war they had no say in.<\/p>\n\n\n\n<p>Over the coming months, as inventories thin and contracts reset, the Strait of Hormuz could assert itself as a source of persistent global inflation far beyond energy markets.<\/p>\n\n\n\n<p>Download the free <a href=\"https:\/\/ibkrinvestmentor.com\/en\">IBKR InvestMentor<\/a> app if you want to learn more about commodities and other asset classes through fun, interactive lessons and explainers.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>As the war in the Middle East rages for the third week, financial markets continue to fixate on the oil and natural gas prices.  But the strait is also a crucial shipping route to helium, bromine, and fertilizer chemicals. <\/p>\n","protected":false},"author":1700,"featured_media":240382,"comment_status":"open","ping_status":"closed","sticky":true,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[5,20769,18,6,8,9,26,3],"tags":[12154,147,2921,17489],"contributors-categories":[20768],"class_list":{"0":"post-240380","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-europe-middle-east-africa","8":"category-ibkr-investmentor","9":"category-macro","10":"category-north-america","11":"category-region","12":"category-securities","13":"category-text-articles","14":"category-traders-insight","15":"tag-agricultural-commodities","16":"tag-commodities","17":"tag-metals","18":"tag-oil-gas","19":"contributors-categories-ibkr-investmentor"},"pp_statuses_selecting_workflow":false,"pp_workflow_action":"current","pp_status_selection":"publish","acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium 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