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Option Contract

An option contract is an agreement in Contracts that keeps an offer open for a stated period in exchange for consideration. It gives the offeree the right to accept later, while the offeror cannot revoke during the option period.

Last updated July 2026

What is the Option Contract?

An option contract in Contracts is a binding agreement that locks in an offer for a fixed period of time. The big idea is simple: one party pays for the right to decide later, and the other party gives up the power to revoke during that window.

That makes an option contract different from a regular offer. With an ordinary offer, the offeror can often withdraw the offer before acceptance, as long as the withdrawal is communicated properly. With an option contract, the offer stays open because there is a separate bargain supporting it, usually consideration paid by the offeree.

Think of it like reserving the right to buy without being forced to buy. A buyer might want time to inspect land, line up financing, or compare deals. The seller gets something in return for waiting, and the buyer gets certainty that the offer will still be available until the deadline.

In a Contracts course, the timing matters just as much as the words in the deal. If the option period expires and the offeree has not exercised it, the right disappears and the original offer is no longer protected. If the offeree accepts during the option period, acceptance is effective under the terms of the option, and the parties can move into a normal contract for the sale or other promised exchange.

You also need to separate the option contract itself from the underlying contract that might come later. The option contract is the promise to keep the offer open. The later sale, lease, employment agreement, or other transaction is what may happen if the option is exercised. A court will usually look for the extra consideration, the stated time period, and the exact terms of the offer to decide whether the option is enforceable.

Why the Option Contract matters in CONTRACTS

Option contracts show up right where contract formation gets tricky: before acceptance. They are one of the main exceptions to the usual rule that offers can be revoked, so they help explain when an offeror is actually stuck with the deal and when they are not.

That matters for reading cases and spotting issues on a fact pattern. If someone says, "I’ll hold this price open for 10 days if you pay me $500," you should immediately ask whether that $500 is consideration for an option contract. If it is, the offeror cannot back out early just because a better deal appears.

It also helps you track the timeline of acceptance. A lot of contract problems turn on whether the offeree accepted in time, whether the option expired, or whether the offeror tried to revoke too soon. Option contracts force you to separate those events instead of treating all offers the same.

In class discussion, this term often connects to fairness and bargaining power. The party buying the option is paying for time and certainty. The party granting the option is giving up flexibility, but usually in exchange for something concrete. That tradeoff is the whole point of the doctrine.

Keep studying CONTRACTS Unit 2

Official unit cheatsheet

open one-pager

How the Option Contract connects across the course

Offer

An option contract only makes sense if there is an underlying offer to begin with. The option does not create a brand-new subject matter out of thin air, it preserves an existing offer for later acceptance. When you analyze a fact pattern, first identify the offer, then ask whether an option keeps it alive despite revocation rules.

Acceptance

Acceptance is what turns the preserved offer into a binding contract on the underlying deal. The option contract gives the offeree extra time to decide, but the deal is not complete until acceptance happens within the option period. That means timing and method of acceptance matter a lot more when an option is involved.

Consideration

Consideration is what usually makes the option contract enforceable. The offeree gives something up, often money, in exchange for the promise that the offer will stay open. Without consideration, the promise to keep the offer open may fail, and the offeror may still be able to revoke.

Is the Option Contract on the CONTRACTS exam?

A quiz question or case brief will usually ask you to decide whether a later revocation was valid, and the move is to check for an option contract before anything else. If the facts show consideration paid to keep the offer open, you should treat the offer as temporarily protected from revocation. Then ask whether the offeree accepted within the stated period.

On essay prompts, this term often appears in a sequence: offer, consideration, option period, acceptance, expiration. You can earn points by explaining why the seller could not revoke during the option window, or why the buyer lost the right once the deadline passed. In problem sets, the key is to state the legal effect of the option, not just to repeat the definition.

Key things to remember about the Option Contract

  • An option contract keeps an offer open for a specific time, and the offeror cannot revoke it during that period if the option is supported by consideration.

  • The option contract is separate from the final deal that might follow, so you should analyze the timing of the option and the timing of acceptance separately.

  • If the option expires without acceptance, the protected right ends and the offeree loses the ability to accept under that option.

  • Option contracts matter most when a fact pattern turns on revocation, deadline pressure, or whether the offeror was free to back out.

  • A paid option gives the offeree security and gives the offeror compensation for waiting.

Frequently asked questions about the Option Contract

What is option contract in Contracts?

An option contract is an agreement that keeps an offer open for a set period in exchange for consideration. The offeree gets the right to accept later, and the offeror loses the normal power to revoke during the option term.

How is an option contract different from a regular offer?

A regular offer can usually be revoked before acceptance if the revocation is communicated properly. An option contract changes that rule because the offeror has already been paid, or otherwise bound, to keep the offer open for a stated time.

What happens if an option contract expires?

If the offeree does not exercise the option before the deadline, the special right ends. After expiration, the original offer is no longer protected by the option, so the offeror may be free to walk away or make a new offer.

How do you spot an option contract in a contracts problem?

Look for language showing one party paid for time to decide, like a deposit or a specific fee to keep the offer open. Then check whether the offeror tried to revoke before the deadline, because that is often the main issue in the analysis.

Option Contract in Contracts | Fiveable