Mid price
Last reviewed 2026-08-07
Mid price — definition
The midpoint between the best bid and best ask — the standard reference price quoted in tickers and dashboards.
Mid price = (bid + ask) / 2. It's a fair estimate of the market's current view but not a price you can actually trade at.
Use mid price for headlines and charts. Use the actual bid/ask for sizing trades.
Learn more: How prediction markets work
See also
Frequently asked questions
What does mid price mean in prediction markets?
The midpoint between the best bid and best ask — the standard reference price quoted in tickers and dashboards.
How does mid price work in practice?
Mid price = (bid + ask) / 2. It's a fair estimate of the market's current view but not a price you can actually trade at.
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