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Prediction platforms deepen media ties before November 3 midterms

Phemex reports CNN, CBS News, CNBC and Dow Jones have struck commercial partnerships with Kalshi and Polymarket ahead of the November 3 midterms, with CBS naming Kalshi its official prediction market sponsor and CNBC disclosing customer acquisition revenue sharing and a minority equity investment in Kalshi. Bloomberg analysis of Dune data puts election-related trading volume across the two platforms at about 1.5 billion dollars.

Kalshi and Polymarket have secured commercial partnerships with CNN, CBS News, CNBC and Dow Jones ahead of the November 3 midterms, according to Phemex. The arrangements connect the prediction-market platforms with major news outlets as election-related trading reaches about $1.5 billion.

Sponsorship, revenue sharing and equity

CBS has designated Kalshi as its official prediction market sponsor, Phemex reports. That gives the platform a formal sponsorship role at the broadcaster ahead of the vote.

CNBC has disclosed a customer acquisition revenue-sharing arrangement and a minority equity investment in Kalshi, according to Phemex. Those ties extend beyond sponsorship to include both acquisition-linked revenue and an ownership interest.

The supplied summary also identifies CNN and Dow Jones as commercial partners of the platforms, but does not specify their individual counterparties or deal terms. It therefore does not establish how those arrangements compare with the disclosed CBS and CNBC relationships.

Election trading reaches about $1.5 billion

Bloomberg’s analysis of Dune data puts election-related trading volume across Kalshi and Polymarket at about $1.5 billion, according to the Phemex summary. The figure covers the two platforms together; the supplied material provides no platform-by-platform breakdown.

What it means for prediction markets

  • Commercial context matters: Readers encountering prediction-market information through these outlets should distinguish market data from the sponsorship, revenue-sharing and equity relationships described.
  • Volume is not a probability measure: The approximately $1.5 billion figure measures trading activity, not the likelihood of any election outcome.
  • Deal details remain uneven: The disclosed CBS and CNBC ties provide more specific information than the summary offers for CNN and Dow Jones, limiting comparisons across the partnerships.
KalshiPolymarketElectionsInfiniti MarketsInfiniti Signals

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