Fill
Last reviewed 2026-08-07
Fill — definition
Confirmation that some or all of your order has executed at a specific price.
A partial fill means only part of your order found matching liquidity. The rest stays open or cancels, depending on your order type.
Watch the average fill price, not just whether you got filled.
Learn more: How prediction markets work
See also
Frequently asked questions
What does fill mean in prediction markets?
Confirmation that some or all of your order has executed at a specific price.
How does fill work in practice?
A partial fill means only part of your order found matching liquidity. The rest stays open or cancels, depending on your order type.
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