# Volume Race

> Daily trading volume for 10 prediction market exchanges (Kalshi, Polymarket, Polymarket US, DraftKings, Crypto.com, Robinhood, Underdog, Novig, ForecastEx and Gemini), compiled from each exchange's own published daily reports, plus a legal and regulatory tracker. Free, updated three times a day, at about 8:20 a.m., 11:45 a.m. and 4:20 p.m. Eastern.

Latest numbers (data through 2026-10-06, notional volume = contracts traded × $1):

- Tue Oct 6, 2026: $2.80B across 9 exchanges
- Last 30 days: $89.14B; ranking: 1. Kalshi $66.89B (75.0%); 2. Polymarket US $10.19B (11.4%); 3. Polymarket $4.47B (5.0%); 4. Crypto.com $1.85B (2.1%); 5. Novig $1.77B (2.0%); 6. DraftKings $1.71B (1.9%); 7. Robinhood $1.25B (1.4%); 8. Underdog $953M (1.1%); 9. Gemini $44.1M (<0.1%); 10. ForecastEx $18.8M (<0.1%)
- Year to date (2026): $376.74B
- Record day: Oct 4, 2026, $5.00B
- Q3 2026: $188.91B (up 81% from the quarter before)
- September 2026: $80.77B
- Sports share, last 30 days (exchanges that publish a split): 86%; combos (parlays) 58%

Biggest single markets on Tue Oct 6, 2026 (Kalshi and Polymarket US daily files):

1. Croatia vs Spain (UEFA Nations League · Oct 6), Kalshi: $20.3M
2. Game 3: Los Angeles D vs Atlanta (MLB · Oct 6), Kalshi: $19.2M
3. Game 3: Milwaukee vs San Diego (MLB · Oct 6), Kalshi: $16.3M
4. Atlanta Falcons vs New Orleans Saints (NFL · Oct 6), Polymarket US: $12.0M
5. Argentina vs Benin (Intl Friendlies · Oct 6), Kalshi: $8.1M

Cite as: Volume Race (volumerace.com), from each exchange's own daily report.

## Data

- [Latest summary (JSON)](https://volumerace.com/data/latest.json): the numbers above, machine-readable
- [All exchanges, daily (CSV)](https://volumerace.com/data/csv/all.csv): one row per exchange per day, with the source file URL
- [Full dataset (JSON)](https://volumerace.com/data/volume.json): daily totals, combo and non-sports splits, open interest

## Pages

- [Daily volume chart and standings](https://volumerace.com/)
- [Exchanges ranked by volume](https://volumerace.com/exchanges)
- [Kalshi vs Polymarket](https://volumerace.com/compare/kalshi-vs-polymarket)
- [Biggest markets by volume, daily](https://volumerace.com/markets)
- [Kalshi](https://volumerace.com/exchanges/kalshi): KalshiEX LLC, CFTC DCM
- [Polymarket US](https://volumerace.com/exchanges/polymarket-us): QCX LLC (Polymarket US), CFTC DCM
- [Polymarket](https://volumerace.com/exchanges/polymarket): Polymarket (international, on-chain), Offshore / on-chain
- [Crypto.com](https://volumerace.com/exchanges/cdna): Crypto.com | Derivatives North America (CDNA), CFTC DCM
- [Novig](https://volumerace.com/exchanges/novig): Novig Exchange, CFTC DCM
- [DraftKings](https://volumerace.com/exchanges/dkex): Railbird Exchange, LLC (DraftKings Predictions), CFTC DCM
- [Robinhood](https://volumerace.com/exchanges/rothera): Rothera Markets (Robinhood / Susquehanna), CFTC DCM
- [Underdog](https://volumerace.com/exchanges/udx): Underdog Exchange (UDX), CFTC DCM
- [Gemini](https://volumerace.com/exchanges/gemini): Gemini Titan, LLC, CFTC DCM
- [ForecastEx](https://volumerace.com/exchanges/forecastex): ForecastEx LLC (Interactive Brokers), CFTC DCM
- [Q3 2026 report](https://volumerace.com/reports/2026-q3): quarter totals, shares and growth by exchange
- [Quarterly and monthly reports](https://volumerace.com/reports)
- [Data downloads and API](https://volumerace.com/downloads): free CSV and JSON, no key
- [About, citation and embed code](https://volumerace.com/about)
- [RSS feed](https://volumerace.com/feed.xml)
- [Prediction market legality by state](https://volumerace.com/states)
- [Legal and regulatory tracker](https://volumerace.com/legal)
- [FAQ](https://volumerace.com/faq)
- [Methodology and sources](https://volumerace.com/methodology)

## Optional

- [Full text: every answer, exchange and month](https://volumerace.com/llms-full.txt)