Reports / January 2025
Monthly report
January 2025: $2.82B traded on prediction markets
Notional volume across 3 exchanges was $2.82B. Polymarket led with a 93.8% share. The busiest day was Thu Jan 2, 2025, at $174M.
Exchanges
Ranked by the month's volume.
| # | Exchange | Volume | Share | vs prior month |
|---|---|---|---|---|
| 1 | Polymarket | $2.65B | 93.8% | – |
| 2 | Kalshi | $175M | 6.2% | – |
| 3 | ForecastEx | $537K | <0.1% | – |
What traded
At exchanges that publish a split.
Sports, single-leg 4%Combos (parlays) 0%Non-sports 96%
Daily average: $91.0M over 31 days
Busiest days
- Thu Jan 2, 2025: $174M
- Mon Jan 20, 2025: $152M
- Fri Jan 3, 2025: $130M
- Sun Jan 19, 2025: $121M
- Tue Jan 21, 2025: $117M
January 2025: questions
How much volume did prediction markets trade in January 2025?
$2.82B in notional volume across 3 exchanges. That is $91.0M a day on average.
Which prediction market had the most volume in January 2025?
Polymarket. The top three were Polymarket ($2.65B, 93.8%), Kalshi ($175M, 6.2%), ForecastEx ($537K, <0.1%).
How much prediction market volume was sports in January 2025?
4% at the exchanges that publish a split, including 0% in combos (parlays). Non-sports markets were 96%.
Notional volume: contracts traded × each contract's payout, from each exchange's own daily report. Download every day as CSV · Methods · All reports