Reports / November 2025
Monthly report
November 2025: $10.56B traded on prediction markets
Notional volume across 5 exchanges was $10.56B, +20% from October. Kalshi led with a 55.0% share. The busiest day was Sun Nov 9, 2025, at $516M.
Exchanges
Ranked by the month's volume.
| # | Exchange | Volume | Share | vs prior month |
|---|---|---|---|---|
| 1 | Kalshi | $5.81B | 55.0% | +32% |
| 2 | Polymarket | $4.34B | 41.1% | +5.4% |
| 3 | Crypto.com | $337M | 3.2% | +41% |
| 4 | ForecastEx | $67.1M | 0.6% | +197% |
| 5 | Polymarket US | $2.0M | <0.1% | opened Oct 28 |
What traded
At exchanges that publish a split.
Sports, single-leg 86%Combos (parlays) 4%Non-sports 10%
Daily average: $352M over 30 days
Busiest days
- Sun Nov 9, 2025: $516M
- Sun Nov 30, 2025: $504M
- Sun Nov 16, 2025: $487M
- Sun Nov 2, 2025: $485M
- Sat Nov 1, 2025: $463M
November 2025: questions
How much volume did prediction markets trade in November 2025?
$10.56B in notional volume across 5 exchanges, up 20% from October. That is $352M a day on average.
Which prediction market had the most volume in November 2025?
Kalshi. The top three were Kalshi ($5.81B, 55.0%), Polymarket ($4.34B, 41.1%), Crypto.com ($337M, 3.2%).
How much prediction market volume was sports in November 2025?
90% at the exchanges that publish a split, including 4% in combos (parlays). Non-sports markets were 10%.
Notional volume: contracts traded × each contract's payout, from each exchange's own daily report. Download every day as CSV · Methods · All reports