Reports / March 2026
Monthly report
March 2026: $24.99B traded on prediction markets
Notional volume across 6 exchanges was $24.99B, +31% from February. Kalshi led with a 52.3% share. The busiest day was Thu Mar 19, 2026, at $1.06B.
Exchanges
Ranked by the month's volume.
| # | Exchange | Volume | Share | vs prior month |
|---|---|---|---|---|
| 1 | Kalshi | $13.07B | 52.3% | +25% |
| 2 | Polymarket | $10.52B | 42.1% | +32% |
| 3 | Polymarket US | $701M | 2.8% | +167% |
| 4 | Crypto.com | $637M | 2.6% | +58% |
| 5 | ForecastEx | $41.2M | 0.2% | −35% |
| 6 | Gemini | $17.3M | 0.1% | −20% |
What traded
At exchanges that publish a split.
Daily average: $806M over 31 days
Busiest days
- Thu Mar 19, 2026: $1.06B
- Sat Mar 21, 2026: $1.02B
- Fri Mar 20, 2026: $1.02B
- Sun Mar 22, 2026: $1.01B
- Sat Mar 7, 2026: $913M
March 2026: questions
How much volume did prediction markets trade in March 2026?
$24.99B in notional volume across 6 exchanges, up 31% from February. That is $806M a day on average.
Which prediction market had the most volume in March 2026?
Kalshi. The top three were Kalshi ($13.07B, 52.3%), Polymarket ($10.52B, 42.1%), Polymarket US ($701M, 2.8%).
How much prediction market volume was sports in March 2026?
87% at the exchanges that publish a split, including 16% in combos (parlays). Non-sports markets were 13%.
Notional volume: contracts traded × each contract's payout, from each exchange's own daily report. Download every day as CSV · Methods · All reports