Contract Month

A contract month is the calendar month in which a specific futures or options contract stops trading and is settled or delivered. Rather than trading indefinitely like a stock, these contracts are built around a fixed lifespan, and the contract month tells you which point on that timeline you are dealing with.

Exchanges list the same underlying asset — say, crude oil or the S&P 500 index — across several contract months at once. You might see a March contract, a June contract, and a September contract for the same product, each with its own price, its own expiration date, and its own open interest (the number of contracts still outstanding). Traders often refer to these by shorthand, like "the June contract" or "June crude," and the contract month is baked into the ticker symbol itself using a letter and digit code.

The nuance that trips people up is that the contract month is not the same as the expiration date. The contract is named for the month, but it may actually expire or stop trading on a specific day within that month, or even a bit before it, depending on the product's rules. Traders also confuse the "front month" (the nearest contract month still trading, usually the most liquid) with the contract month in general, which just refers to any month in the cycle a product trades in.

Because different products expire on different schedules — some monthly, some quarterly — the contract month also determines when a trader needs to either close a position, roll it into a later month, or prepare for delivery of the underlying asset, if the contract is one that settles physically rather than in cash.