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Senate Democrats seek clarity on X’s advertising treatment of Polymarket

KuCoin, published Nov. 3, reports Senators Catherine Cortez Masto, Jacky Rosen, Adam Schiff and Richard Blumenthal sent X's leadership a letter dated October 30 citing…

Four Democratic senators are questioning whether X gives Polymarket preferential advertising treatment, according to KuCoin. The report was published Nov. 3, 2026, at 6:24 AM ET.

Questions directed to X’s leadership

Senators Catherine Cortez Masto, Jacky Rosen, Adam Schiff and Richard Blumenthal sent a letter dated October 30 to X’s leadership, according to KuCoin. Answers are due November 30.

The inquiry concerns whether Polymarket receives preferential treatment in advertising on X. The supplied material does not establish that such treatment occurred.

Limited details available

The available summary ends before describing what the senators cited. No source text or links were provided, leaving the letter’s supporting evidence and specific questions unavailable.

What it means for prediction markets

  • November 30 is the response deadline: X’s answers could clarify the advertising practices under scrutiny, though the supplied material does not say whether a response will be made public.
  • The inquiry is not a finding: The report describes senators raising questions, not a determination that X favored Polymarket.
  • Evidence remains limited: The supplied summary offers no basis for assessing effects on Polymarket’s operations or market activity.
PredictionMarketsKalshiPolymarketSenateInfiniti MarketsInfiniti Signals

Sources & attribution

Published
  1. Source
    Polymarketpolymarket.com
    Publisher
    https://polymarket.com
    Source URL
    The feed did not publish this story's article address.

Full attribution under the Digital Millennium Copyright Act (DMCA), 17 U.S.C. § 512: this article is an original report by Infiniti Intelligence that summarizes the reporting of the publishers named above, links to their original work, and reproduces no protected expression beyond brief factual reference and in-line attribution (“according to Polymarket”). All rights in the underlying reporting remain with the publishers listed; nothing here implies endorsement by or affiliation with them. Rights holders may request correction, update or removal through the contact address published at infiniti.w3ai.io.

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