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Corn futures contract months and roll

Corn futures contract months and roll mechanics — an educational explainer with no price forecast and no trading recommendation.

What a contract month is

Corn futures do not trade as a single continuous contract. The market lists separate contracts for specific delivery months, each with its own expiration. A trader holds whichever contract month they have chosen to trade.

Why the calendar matters

The contract calendar matters because prices can differ between contract months, and because the market rolls — traders moving from the expiring contract to the next — can change which contract is the most active. Knowing which contract month a quote refers to is part of basic grains literacy.

Roll mechanics at a high level

As a contract approaches expiration, market participants shift positions to a later contract month. This 'roll' is a market-structure process, not a signal about price direction. Confirm the exact contract months and calendar on the official CME Group source.