Reports / June 2026
Monthly report
June 2026: $50.97B traded on prediction markets
Notional volume across 8 exchanges was $50.97B, +85% from May. Kalshi led with a 64.7% share. The busiest day was Thu Jun 25, 2026, at $2.55B.
Exchanges
Ranked by the month's volume.
| # | Exchange | Volume | Share | vs prior month |
|---|---|---|---|---|
| 1 | Kalshi | $33.00B | 64.7% | +84% |
| 2 | Polymarket | $10.82B | 21.2% | +53% |
| 3 | Polymarket US | $4.04B | 7.9% | +128% |
| 4 | Robinhood | $2.09B | 4.1% | opened May 21 |
| 5 | Crypto.com | $944M | 1.9% | +30% |
| 6 | Gemini | $46.8M | 0.1% | +22% |
| 7 | ForecastEx | $26.4M | 0.1% | +11% |
| 8 | DraftKings | $14K | <0.1% | new |
What traded
At exchanges that publish a split.
Sports, single-leg 48%Combos (parlays) 30%Non-sports 22%
Daily average: $1.70B over 30 days
Busiest days
- Thu Jun 25, 2026: $2.55B
- Wed Jun 24, 2026: $2.46B
- Fri Jun 26, 2026: $2.34B
- Sat Jun 27, 2026: $2.31B
- Tue Jun 30, 2026: $2.31B
June 2026: questions
How much volume did prediction markets trade in June 2026?
$50.97B in notional volume across 8 exchanges, up 85% from May. That is $1.70B a day on average.
Which prediction market had the most volume in June 2026?
Kalshi. The top three were Kalshi ($33.00B, 64.7%), Polymarket ($10.82B, 21.2%), Polymarket US ($4.04B, 7.9%).
How much prediction market volume was sports in June 2026?
78% at the exchanges that publish a split, including 30% in combos (parlays). Non-sports markets were 22%.
Notional volume: contracts traded × each contract's payout, from each exchange's own daily report. Download every day as CSV · Methods · All reports