CHICAGO, March 12, 2026 - U.S. grain markets moved higher overnight as crude oil prices surged above $90 per barrel, pushing corn, soybeans, and wheat futures upward while traders closely watched energy markets, biofuel policy signals, and upcoming U.S. planting data. The rally matters for farmers because energy prices influence ethanol demand, crop profitability, and planting decisions across the U.S. Corn Belt.

The overnight jump highlights a growing connection between global energy markets and agricultural commodities, with crude oil acting as a key driver for grain prices through biofuel demand and broader financial market sentiment.

Corn futures gained ground overnight as crude oil prices climbed sharply amid geopolitical tensions in the Middle East. May corn futures rose about 5.75 cents to $4.66 per bushel, continuing a rally that began earlier in the week. Energy markets have surged in recent days, with WTI crude futures jumping more than 6% and climbing roughly 42% in two weeks, approaching $93 per barrel. Brent crude briefly moved above $100 per barrel.

Higher oil prices tend to support grain markets because they strengthen ethanol and biofuel demand, which increases consumption of corn and soybean oil.

Key grain futures movements

Technical indicators suggest corn prices could continue climbing if energy markets remain strong. Analysts note May corn futures remain roughly 10 cents below a recent high near $4.76, meaning additional gains could follow if oil prices continue their upward trajectory. Cash markets also strengthened. According to Barchart data, the national average cash corn price rose 8 cents to about $4.17 per bushel, though it still trails futures prices by more than 40 cents.

Corn market snapshot

Another bullish factor for corn markets is the recent increase in ethanol production. U.S. ethanol output averaged 1.126 million barrels per day during the week ending March 6, one of the highest levels on record and up nearly 3% from the previous week. However, analysts warn that production still needs to accelerate further to meet USDA projections for corn used in ethanol.

U.S. ethanol production indicators

Soybean futures posted even stronger gains overnight, supported by speculation surrounding upcoming U.S. Environmental Protection Agency biofuel mandates. May soybean futures climbed 16 cents to $12.30 per bushel, marking the contract's fourth gain in five sessions and approaching a 21-month high.

Traders are anticipating a potential increase in renewable fuel blending requirements, with rumors suggesting biofuel demand targets could rise to roughly 5.4 billion gallons per year, significantly above the current level of about 3.35 billion gallons. If confirmed, such a move would boost demand for soybean oil, a key feedstock for renewable diesel.

Soybean market indicators

Wheat futures also joined the rally, though analysts remain cautious due to ample global supply. March SRW wheat rose 8.25 cents to $6.03 per bushel, while hard red winter and spring wheat contracts also posted gains. However, USDA data still shows large global wheat inventories, which could limit sustained price increases.

U.S. wheat supply outlook

Farmers are also watching how rising energy prices could influence spring planting decisions. USDA previously projected U.S. corn acreage near 94 million acres in 2026, down roughly 5% from last year's nine-decade high. The agency's March 31 Prospective Plantings report will provide the first survey-based estimate of how farmers actually plan to allocate acreage this season. Higher fertilizer costs, volatile fuel prices, and shifting commodity markets could all play a role in final acreage decisions.

Weather forecasts suggest mostly dry conditions across the Southern Plains and eastern Corn Belt through the weekend, with limited precipitation expected in parts of Illinois, Indiana, and Ohio. Longer-range forecasts indicate warmer-than-normal temperatures expanding across much of the Midwest later in March, potentially accelerating early fieldwork.

The latest rally underscores how closely agriculture markets are tied to global energy dynamics. Crude oil prices, ethanol production, biofuel policy, and geopolitical tensions are all shaping commodity markets just weeks before the critical U.S. planting season.