Fertilizer stocks slip 2% as Iran peace deal reshapes cost outlook

Fertilizer producers CF Industries, Nutrien and Mosaic traded lower Monday but avoided a major selloff as the US-Iran peace deal created competing pressures on input costs and crop demand.

Fertilizer stocks slipped Monday as the US and Iran agreed to end their three-month war, a deal that cuts natural-gas costs for producers while raising the prospect of higher global crop supplies that could dampen fertilizer demand.

"How many times have we talked about a cease-fire? We have been here before and we've seen the same reactions time and time again," said John Mousseau, chief investment officer at Cumberland Advisors. "If the war actually ends, then the follow-through should be lower oil prices, declining bond yields, and declining inflation — but that's going to take time."

CF Industries Holdings Inc., Nutrien Ltd. and Mosaic Co. each fell less than 3% in Monday trading, a muted reaction that reflected the market's assessment of countervailing forces. The peace deal, set to be signed June 19 in Switzerland, includes an end to the US naval blockade of Iranian ports in the Strait of Hormuz, a waterway that handles about 21% of global oil trade. Brent crude fell to $82.61 a barrel, its lowest since early March, while the US national average gasoline price dipped below $4 a gallon for the first time since mid-April.

The agreement's impact on fertilizer producers is twofold. Lower natural-gas prices reduce the primary input cost for nitrogen-based fertilizers, which account for a significant portion of revenue at CF Industries and Nutrien. But an end to hostilities may also boost expectations for global crop production, potentially reducing the need for fertilizer application and pressuring product prices.

The Natural-Gas Connection

Natural gas represents roughly 70% to 80% of the variable production cost for nitrogen fertilizer, making CF Industries and Nutrien among the most sensitive stocks to gas-price movements. CF Industries, the largest publicly traded nitrogen fertilizer producer in North America, derives the bulk of its earnings from ammonia and urea production, giving it the highest exposure to natural-gas costs among the three. Nutrien, the Canadian fertilizer giant, has a more diversified portfolio spanning potash, nitrogen and phosphate, providing partial insulation. Mosaic, focused on potash and phosphate, has the least direct exposure.

The Henry Hub natural-gas benchmark has declined alongside crude since peace talks accelerated, though the exact magnitude of further declines depends on how quickly the Strait of Hormuz returns to normal shipping volumes.

"Until the strait is reopened and oil flows begin to move as normal, there's little reason to believe that this price relief will last," said Patrick De Haan, head of petroleum analysis at GasBuddy.

Analysts at Oxford Economics wrote in a June 15 research note that the agreement "is a significant step toward reaching a full-blown deal" but cautioned that shipping in the strait will take time to approach pre-war levels.

The Demand-Side Risk

For fertilizer producers, the peace deal introduces a demand-side complication. If lower energy costs and resumed trade through the strait lead to higher global crop production, grain prices could decline, reducing farmer incentives to apply fertilizer at high rates. Corn and soybean futures have already edged lower since the deal was announced, though the moves have been modest.

The last time a major Middle Eastern geopolitical disruption ended abruptly — the 2020 OPEC+ price war resolution — agricultural input stocks initially fell before recovering as lower energy costs boosted farmer margins. A similar pattern could emerge this time, though the scale of the Iran conflict makes direct comparisons difficult.

What Comes Next

The deal's signing on Friday will trigger technical talks on reopening shipping lanes. For fertilizer stocks, the path forward hinges on two variables: how much natural-gas prices fall as Iranian oil returns to global markets, and whether lower crop prices reduce farmer demand for fertilizer.

The Federal Reserve's rate decision on June 17 adds another layer. Lower oil prices have helped cool inflation from a wartime peak of 3.8% in April, giving policymakers room to hold rates steady. The 10-year US Treasury yield, which surged to 4.671% in early May, has moved lower since and was roughly flat after the deal announcement. That could support agricultural commodity prices by keeping the dollar in check, a tailwind for fertilizer demand.

This article is for informational purposes only and does not constitute investment advice.