Latest / The Commodities Economy with Fexingo: Oil, Gold, Wheat, and Raw Material Markets / How Corn Is Surging While Wheat Stalls in July 2026
Transcript
- Lucas: So it's July 4th, 2026, and if you've been watching grain markets this week, you've seen something pretty striking — corn is up nearly six percent over the past five sessions, while wheat is crawling along just three and a half percent higher. The gap is getting wider, and it's not just a one-week fluke. Luna: Yeah, corn at four twenty-five a bushel, wheat at five ninety — that's not a huge level difference, but the momentum is telling. What's driving the split? Lucas: A few things, but let's start with supply. Wheat has been dealing with a surprisingly large Russian harvest — they're expecting another record crop, and that's been capping prices globally. Meanwhile, Ukraine is still shipping via the Black Sea corridor, and even with some tensions, exports have been steady. Luna: Right, so wheat has a kind of 'abundance problem' — too much grain chasing the same buyers. But corn seems to be in the opposite situation. Lucas: Exactly. U.S. corn got a boost from the latest USDA acreage report — planted acres came in below trade expectations. That tightened the supply outlook for the 2026 crop. Plus, we've got strong demand from ethanol, which is running near capacity because gasoline blending mandates are holding up. Luna: It's interesting — you'd think with the economy slowing a bit, ethanol demand might slip, but it hasn't. And corn is also getting support from feed demand, especially with cattle numbers still elevated. Lucas: Yeah, the livestock sector is a big consumer, and with margins tightening, feedlots are locking in corn. So you've got this perfect little storm for corn — lower supply expectations, steady industrial use, and solid feed demand. Wheat, on the other hand, is fighting its own success. Luna: And if today's episode helps make sense of these moves, that's exactly what we're here for. The reason we can keep doing this — no ads, no sponsors — is listener support. So if you find this useful, maybe buy me a coffee dot com slash fexingo. It really does help. Lucas: Appreciate that. So back to the divergence — wheat's problem is also that the quality premium for U.S. hard red winter wheat isn't as strong this year, because the Russian crop is good quality too. That squeezes the export premium. Luna: So wheat becomes more of a global commodity where price is the only differentiator, and corn is more regional — tied to U.S. ethanol policy and domestic livestock cycles. Lucas: Exactly. And that regional tilt is why corn can rally even when the macro mood is cautious. Look at crude oil — it's down nearly three percent this week, but corn doesn't care because ethanol mandates are fixed, not tied to the spot price of oil. Luna: There's also the weather factor. The corn belt has had some dry spots, but overall conditions are decent. Still, the market is pricing in a little weather risk heading into pollination. Lucas: Yeah, the July window is critical for corn. If we get a heat wave during pollination, yields could take a hit. The market is already nervous, and that's adding to the bid. Wheat's pollination period is more spread out, so weather isn't as concentrated. Luna: So corn has this 'event risk' premium that wheat doesn't. And wheat's harvest is actually underway in the northern hemisphere, so there's fresh supply hitting the market. Lucas: Right. The U.S. winter wheat harvest is progressing, and early yields are decent. That puts downward pressure on prices. Corn won't be harvested until the fall, so there's more uncertainty baked in. Luna: One more thing — the dollar has been relatively stable. If the dollar weakens, that usually helps both crops, but corn tends to benefit more because the U.S. is the dominant exporter. Wheat has more competition. Lucas: That's a good point. The U.S. is the top corn exporter by a wide margin, but for wheat, we're behind Russia and the EU. So a weaker dollar helps corn disproportionately. And with the Fed possibly cutting rates later this year, that could be a tailwind. Luna: So what's the trade here? If you're a farmer or a trader, are you betting on the spread to widen further? Lucas: A lot of spread traders are looking at long corn / short wheat positions. The logic is that corn has more upside catalysts — potential weather issues, tighter acres, steady demand — while wheat faces headwinds from global abundance. But it's not a sure thing. Luna: Because if Russia's crop comes in smaller than expected, or if Ukraine's exports get disrupted again, wheat could catch a bid quickly. Lucas: Exactly. Geopolitical risk is always there. The Black Sea corridor is still fragile. One incident could spike wheat. But as of July 4th, the market is comfortable that supplies will flow. And that's keeping wheat in a range. Luna: Corn also has its own geopolitical angle — there's talk of China maybe stepping up imports if their domestic crop falters. That would be a game changer. Lucas: Yeah, China's corn imports have been unpredictable. They had a big build in stocks a few years ago, and now they're drawing them down. If they come back to the market, it would tighten global supplies even more. But so far, no signs. Luna: So bottom line: corn is riding a wave of supply tightness and steady demand, while wheat is stuck in a glut. The question is how long that lasts. Lucas: Right. For corn, the next big test is the USDA's July crop report, which will give updated yield estimates. If they cut yields, corn could take off. For wheat, it's about the pace of the Russian harvest and whether export demand picks up. Luna: And in the meantime, the spread trade is the market's way of saying 'I like corn better than wheat.' It's a classic commodity divergence driven by fundamentals. Lucas: Exactly. And that's the kind of specific, real-time analysis we try to bring every episode. Hope this helped you see the grain markets a little clearer. We'll be back tomorrow with another angle.