761 new event-contract filings reached the CFTC in the last four weeks.
Every prediction-market contract an exchange files with the Commodity Futures Trading Commission, from Kalshi and Polymarket US to the newest entrants, counted week by week from the CFTC’s public filings list.
Source: CFTC Trading Organization Products list, filings since Jan 1, 2025 (latest Oct 9, 2026). Checked Oct 12, 2026, 10:02 AM ET. Updated weekly.
By Arthur Angelo, PredictionScout Research · Updated Oct 12, 2026, 10:02 AM ET
Key findings
- 761 event-contract filings in four weeks. From Sep 12, 2026 to Oct 9, 2026, 9 exchanges filed 761 new or amended event contracts with the CFTC. Most active: Underdog Exchange 237, Kalshi 173, Polymarket US 106, Ludlow Exchange 75.
- 2,529 so far in 2026, against 1,500 over the same dates in 2025 and 1,642 in all of 2025.
- Kalshi leads for the year. Kalshi accounts for 677 of 2,529 event filings this year (27%); Polymarket US for 334. 12 exchanges filed at least one event contract in 2026.
- Mostly sports. By keyword, sports 52%, other / unclassified 30%, economy & markets 6%, politics & government 5%, weather & climate 2%, culture & entertainment 2%, crypto 2% of 2026 filings. (Keyword matching is rough; check the CSV.)
- Almost all self-certified. Exchanges certify most event contracts themselves under CFTC Regulation 40.2; the CFTC does not approve them in advance. 150 filings since 2025 were later withdrawn.
Filings per week
By exchange
| Exchange | Last 4 weeks | 2026 | 2025 | First filing since 2025 |
|---|---|---|---|---|
| Kalshi KalshiEX LLC · code KEX | 173 | 677 | 1,414 | Jan 8, 2025 |
| Underdog Exchange Underdog Exchange DCM, Inc. (earlier 2026 filings under this code use the name Aristotle) · code ARST | 237 | 548 | 0 | Jul 15, 2026 |
| Polymarket US QCX LLC d/b/a Polymarket US · code QCEX | 106 | 334 | 5 | Sep 30, 2025 |
| ForecastEx (Interactive Brokers) ForecastEx LLC · code FEX | 11 | 139 | 156 | Jan 1, 2025 |
| Ludlow Exchange Ludlow Exchange, LLC · code LEX | 75 | 244 | 0 | Jul 23, 2026 |
| Gemini Gemini Titan, LLC · code GMNI | 42 | 199 | 25 | Dec 11, 2025 |
| DKeX (Railbird) Railbird Exchange, LLC d/b/a DKeX · code REX | 66 | 108 | 0 | May 22, 2026 |
| ProphetX ProphetX LLC · code PROPHX | 25 | 97 | 0 | Jun 14, 2026 |
| CME Chicago Mercantile Exchange Inc. · code CME | 0 | 77 | 20 | Nov 19, 2025 |
| Rothera Rothera Exchange and Clearing LLC · code ROTHDCM | 26 | 80 | 2 | Feb 19, 2025 |
| OG.com Markets North American Derivatives Exchange, Inc. d/b/a OG.com Markets · code CDNA | 0 | 22 | 16 | Feb 3, 2025 |
| ICE Futures U.S. ICE Futures U.S., Inc. · code ICE US | 0 | 4 | 0 | Jul 16, 2026 |
| NYMEX New York Mercantile Exchange, Inc. · code NYMEX | 0 | 0 | 2 | Nov 19, 2025 |
| CBOT Board of Trade of the City of Chicago, Inc. · code CBOT | 0 | 0 | 1 | Nov 19, 2025 |
| COMEX Commodity Exchange, Inc. · code COMEX | 0 | 0 | 1 | Nov 19, 2025 |
Names are as each exchange identifies itself in its own recent filing cover letters. The CFTC list shows only a short code.
By topic, 2026
| Topic (keyword match) | Filings | Last 4 weeks |
|---|---|---|
| Sports | 1,325 | 399 |
| Other / unclassified | 763 | 221 |
| Economy & markets | 155 | 67 |
| Politics & government | 129 | 37 |
| Weather & climate | 60 | 6 |
| Culture & entertainment | 57 | 29 |
| Crypto | 40 | 2 |
Latest 40 filings
Download the data
Every event-contract filing since 2025 (CSV)
One row per filing on the CFTC list, with the exchange’s legal name and a link to the filing. Free to reuse under CC BY 4.0 with a link back to this page.
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Methodology
- Source. The CFTC’s Trading Organization Products list (designated contract market product filings), every page dated January 1, 2025 or later.
- What counts. Filings in the CFTC’s “Event” category, plus filings in other categories whose product name includes “event contract” (some exchanges file sports event contracts under “Financial Instrument”). Rows with status “Withdrawn” are included and shown separately.
- A filing is not one contract. One filing can certify a single game or a whole class of contracts (for example, every game in a league for a season under Regulation 40.2(d)). Compare filing counts across time, not as a count of markets listed.
- Dates are the date the CFTC list shows for each filing. Topics come from simple keyword matching on the product name and will mislabel some filings.
- See also: the regulation tracker (CFTC rulemaking and Congress) and the lawsuit tracker.
Cite this research
Suggested citation: PredictionScout. (2026, October 12). CFTC Event Contract Filings Tracker: Every New Prediction Market Contract, Week by Week. https://predictionscout.com/research/cftc-event-contract-filings-tracker/
For a chart or news story: “Source: PredictionScout analysis of public exchange data (https://predictionscout.com/research/cftc-event-contract-filings-tracker/)”
The data and charts on this page are free to reuse under CC BY 4.0 with a link back to this page. Filing data: U.S. Commodity Futures Trading Commission.
Data sources: prices and volumes come from the public APIs of Kalshi and Polymarket, with filing data from the CFTC. All trademarks belong to their owners. PredictionScout is independent and not affiliated with any exchange. Nothing here is investment, betting, or legal advice.