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Tracking the companies, deals, and infrastructure shaping US prediction markets. FCMs | IBs | DCMs | DCOs | Partnerships

Philadelphia, PA
Joined March 2026
Posted today on the CFTC site (but dated 11/10), @Underdog (Exchange) self-certified a “flex” combo template (ENTITYCOMBOFLEX). The first example submitted in conjunction with the template is on the Knicks game tomorrow night: will at least 4 of 5 Knicks player props hit (Brunson o25.5 pts, KAT o10.5 rebs, Josh Hart o5.5 rebounds; Mikal Bridges o9.5 points; OG Anunoby o14.5 points)? Essentially, UD's Pick’em Flex as an exchange contract. Payment, trading, and settlement details in the screenshots. cftc.gov/IndustryOversight/I… cftc.gov/filings/ptc/ptc1110…
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New CFTC filing: PredictIt Exchange DCM, Inc. (Delaware, formed Aug 31, 2026) has applied to be a designated contract market - backdated to 9/24/2026. Joint rulebook with an affiliated clearinghouse, PredictIt Exchange DCO (expected to be forthcoming). Direct retail access, no brokers, fully collateralized. Status: pending. Based on Exhibit L-1 filing, it appears directly affiliated with @PredictIt, founded by John Aristotle Phillips, who recently sold Aristotle Exchange to @Underdog. Per Core Principle 7 within the L-1 filing, the web page address is subject to change, but the Exchange has procured Exchange.PredictIt.com as its likely URL.
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A new DCM application (Nasdaq MRX Futures, LLC) has been posted this morning, the first the CFTC has posted since ForumEx submitted on 8/21/2026. Rulebook indicates the following: - Plans to utilize The Options Clearing Corporation as DCO. - Plans to offer swaps, including combination orders (combos) up to 10 legs. - First products: Two binary (cash-or-nothing) event contracts, each paying $100: CPIY: headline CPI year-over-year CPXY: core CPI year-over-year Rulebook: cftc.gov/filings/documents/2… Filing information: cftc.gov/IndustryOversight/I…
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Based on CFTC filings posted this morning, @ProphetX has self-certified to begin offering markets on the Circa Survivor contest (and weekly Scorigami NFL outcomes).
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Replying to @DustinGouker
Based on recent CFTC filings, it appears @DKPredictions (DKeX/Railbird) may soon be adding for both NFL and NBA. NFL: cftc.gov/filings/ptc/ptc1006… NBA: cftc.gov/filings/ptc/ptc1014…
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Dated yesterday, but posted on the CFTC's site today, volume data markets were also added for Novig and Underdog exchanges. cftc.gov/IndustryOversight/I…
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Earlier today, @ProphetX self-certified various contracts related to competitor DCM volume figures (DKeX, Polymarket, and Rothera). Prophet previously certified similar contracts on Kalshi's volume data. cftc.gov/IndustryOversight/I…
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