Expiration
Last reviewed 2026-08-07
Expiration — definition
The date and time when a market closes to trading and begins the resolution process.
After expiration, no new orders are accepted. The market enters resolution and, once the source of truth is confirmed, settles.
Some long-dated markets expire months after the event itself, to allow for official confirmation.
Learn more: How prediction markets work
See also
Frequently asked questions
What does expiration mean in prediction markets?
The date and time when a market closes to trading and begins the resolution process.
How does expiration work in practice?
After expiration, no new orders are accepted. The market enters resolution and, once the source of truth is confirmed, settles.
Sources & further reading
- CFTC — Event contracts explainedU.S. Commodity Futures Trading Commission
- Kalshi — how prices and settlement workKalshi
- UMA Optimistic Oracle documentationUMA Protocol
Last reviewed 2026-08-07 · CollegePredictionMarkets.com