Trading

Time in Force: Definition

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Simple Definition

The setting that controls how long an order stays active before it fills or expires.

Why It Matters

Every order carries a hidden second instruction beyond price and quantity: how long to keep trying. That's time in force. A Day order dies at the close; a good-til-canceled order can run for weeks; immediate-or-cancel and fill-or-kill demand action this instant. Choosing it controls how long you stay exposed and whether unfilled shares linger or vanish. Most platforms default to Day, so it's easy to overlook until a forgotten order fills unexpectedly.

Key Points

  • Controls how long an order stays active
  • Common options: Day, GTC, IOC, FOK
  • Usually defaults to Day if you do not change it

Learn More

Foundation Lesson

Time in Force: Day, GTC, IOC & FOK

Get a complete explanation with examples, key takeaways, and a quiz to test your knowledge.

Related Terms

Common Questions

The setting that controls how long an order stays active before it fills or expires. Every order carries a hidden second instruction beyond price and quantity: how long to keep trying. That's time in force.

Every order carries a hidden second instruction beyond price and quantity: how long to keep trying. That's time in force. A Day order dies at the close; a good-til-canceled order can run for weeks; immediate-or-cancel and fill-or-kill demand action this instant. Choosing it controls how long you stay exposed and whether unfilled shares linger or vanish. Most platforms default to Day, so it's easy to overlook until a forgotten order fills unexpectedly.

Controls how long an order stays active

Common options: Day, GTC, IOC, FOK

Usually defaults to Day if you do not change it