Volume Race

Reports / January 2026

Monthly report

January 2026: $18.16B traded on prediction markets

Notional volume across 6 exchanges was $18.16B, +45% from December. Kalshi led with a 52.6% share. The busiest day was Sun Jan 25, 2026, at $854M.

Exchanges

Ranked by the month's volume.

#ExchangeVolumeSharevs prior month
1Kalshi$9.55B52.6%+45%
2Polymarket$7.69B42.3%+45%
3Crypto.com$460M2.5%+21%
4Polymarket US$282M1.6%3.3×
5ForecastEx$153M0.8%−22%
6Gemini$20.5M0.1%opened Dec 15

What traded

At exchanges that publish a split.

Sports, single-leg 77%Combos (parlays) 12%Non-sports 11%

Daily average: $586M over 31 days

Busiest days

  1. Sun Jan 25, 2026: $854M
  2. Sat Jan 17, 2026: $850M
  3. Sat Jan 31, 2026: $796M
  4. Sun Jan 11, 2026: $761M
  5. Sat Jan 10, 2026: $737M

January 2026: questions

How much volume did prediction markets trade in January 2026?

$18.16B in notional volume across 6 exchanges, up 45% from December. That is $586M a day on average.

Which prediction market had the most volume in January 2026?

Kalshi. The top three were Kalshi ($9.55B, 52.6%), Polymarket ($7.69B, 42.3%), Crypto.com ($460M, 2.5%).

How much prediction market volume was sports in January 2026?

89% at the exchanges that publish a split, including 12% in combos (parlays). Non-sports markets were 11%.

Notional volume: contracts traded × each contract's payout, from each exchange's own daily report. Download every day as CSV · Methods · All reports