Fruits & Vegetables

Fruits and vegetables together are among the largest agricultural categories on earth by tonnage, yet almost none of them trade on a futures exchange. World vegetable production runs roughly 1.1 to 1.15 billion tonnes a year and world fruit production roughly 0.9 to 1.0 billion tonnes, with China the dominant producer of both by a wide margin and India second. The single largest vegetable is the tomato at roughly 190 million tonnes a year; the largest fruits, setting aside melons, are apples, grapes, oranges, and mangoes. The defining feature for a trader is the near-total absence of paper markets: fresh produce is perishable, varietally and grade-heterogeneous, and sold into regional markets through contract growing and powerful retail buyers, with no fungible deliverable standard. The storable exceptions prove the rule, and they have their own pages here: orange juice trades as frozen concentrate, bananas and potatoes as their own thin or vanished contracts.

The headline story of this whole category is a prohibition. In late 1955 the traders Vincent Kosuga, an onion farmer, and Sam Siegel cornered the onion futures market on the Chicago Mercantile Exchange, gaining control of roughly 98 percent of the onions available in Chicago. In spring 1956 they flooded the market with their own onions and collapsed the price so far that a 50-pound bag fell to about 10 cents, less than the cost of the empty sack and the onions in it, ruining growers while the two profited on their shorts. Congress responded with the Onion Futures Act, signed by President Eisenhower on August 28, 1958, banning onion futures outright; the House bill was sponsored by a young Michigan congressman and future president, Gerald Ford. The ban still stands, and onions remain the only agricultural product on which futures trading is illegal in the United States (the law was later amended to also bar futures on movie box-office receipts).

The rest of the produce aisle simply never developed paper markets. Apples, at roughly 85 to 95 million tonnes with China about half, are sold fresh and out of controlled-atmosphere storage that holds fruit for months, all on cash and contract. Tomatoes, at roughly 190 million tonnes with China the largest grower, split between the fresh market and processing into paste and cans, with California the center of US processing tomatoes and The Morning Star Company the largest single processor; processing tomatoes are grown entirely on contract. Prices across the category spiked through the 2022 to 2024 food-inflation episode on energy, fertilizer, labor, and cold-chain costs, then partly eased, and they stay intrinsically volatile within seasons because the goods cannot be stored to smooth a frost, drought, or heatwave.

A common question is whether frozen and canned vegetables are as nutritious as fresh, or just a texture downgrade. The honest answer surprises people: frozen is essentially as nutritious as fresh, and sometimes better. Frozen vegetables are picked at peak ripeness and blanched and flash-frozen within hours, locking in vitamins, whereas "fresh" produce can spend a week or more in transit and storage, steadily losing heat- and light-sensitive nutrients like vitamin C and folate. So a bag of frozen peas can out-nutrition tired fresh ones. Canned is the bigger compromise: the high-heat canning process and the leaching of water-soluble vitamins into the can liquid cut vitamin C, folate, and thiamine, and canned vegetables often carry added salt. But canned holds onto minerals, fiber, and fat-soluble vitamins, and heat can actually boost some nutrients, the lycopene in canned tomatoes being the classic example. So it is not purely mouthfeel: there is a modest nutritional gradient, mostly in the water-soluble vitamins and the added sodium, but the gap is far smaller than the "fresh is always best" instinct assumes, and the convenience and zero-waste shelf life of frozen and canned often win out.