NewsTradingSentimentCalendarCommunityBriefing
Markets

Sulfur Prices Triple, Threatening Global Food Supply Chains

By Markets Desk · 2026-09-18 · 2 min read
A large industrial storage tank for chemical liquids
Illustration: Tradingbird

Sulfur costs have jumped from $46 to over $1,000 per ton, directly impacting fertilizer production and projected food inflation.

The price of sulfur has surged past $1,000 per metric ton. This represents a more than 20-fold increase from the $46 per ton level recorded in 2024. Mosaic Company, a major phosphate fertilizer producer, has confirmed the extreme cost spike. The company has idled two facilities in Louisiana. This action impacts 300 families and reduces available fertilizer output.

Sulfur is a critical input for fertilizer production. Fertilizer is essential for global agriculture. High input costs are expected to drive down fertilizer usage. Oxford Economics projects global food prices will rise by 4.8% in 2027. This projection cites higher diesel and fertilizer costs as primary drivers. The market is experiencing a structural supply shock rather than a temporary blip.

Middle East Conflict Disrupts Supply Routes

The Strait of Hormuz remains a chokepoint for sulfur exports. Iran and other Middle Eastern nations are significant suppliers. Their shipments are currently blocked or restricted. Russia is another major producer, but export bans limit its reach. Global buyers are now redirecting demand to U.S. markets. This shift increases competition for domestic supply. U.S. producers face higher prices due to this external demand pressure.

The disruption is not isolated to sulfur. The oil market faces similar constraints. Saudi Arabia’s East-West pipeline was shut down by drone attacks. This pipeline bypassed the Strait of Hormuz. It could have moved over 100 million barrels of oil. Its shutdown removes a key alternative route. The market is losing flexibility in both energy and agricultural inputs.

Refining Capacity Hits Operational Limits

U.S. refiners are operating at 98% capacity. There is no spare capacity to process additional crude oil. The Strategic Petroleum Reserve is at its lowest level since 1982. Refilling this reserve will take months or years. The cushion that previously absorbed price shocks is depleted. Markets must now absorb supply constraints directly.

Oil prices in the U.S. have risen sharply in recent weeks. Stockpiles have masked the true severity of the supply gap. These buffers are now exhausted. The Wall Street Journal reports that a major fuel crisis is underway. Executives have warned of this scenario for months. The market reset is now in progress.

Food Inflation Risks Rise

Higher sulfur costs translate directly to higher fertilizer prices. Farmers face increased input expenses. Mosaic expects significant drops in phosphate fertilizer use. Reduced fertilizer application may lower crop yields. This supply-side constraint supports higher food prices. Consumers will likely see these costs reflected at the dinner table.

The link between sulfur and food is indirect but powerful. It flows through the fertilizer chain. Global supply chains are fragmented by geopolitical conflict. U.S. markets are absorbing demand from other regions. Prices are rising across the board. The 4.8% food price increase projected for 2027 is a conservative estimate given current trends. According to GN markets/inflation, the convergence of energy and agricultural shocks creates a sustained inflationary pressure.

Based on reporting by NPR, compiled by the Tradingbird desk.

More from the Markets desk

All desk stories