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Kalshi leads midterm betting volume as its House market clears 150 million dollars

Oddschecker says Kalshi is the deeper midterm venue, with nearly 1.1 billion dollars in midterm volume versus more than 340 million dollars at Polymarket including its international site. Polymarket US lists more than 560 midterm markets, reaching down-ballot races and ballot measures.

Kalshi leads in reported midterm volume

Kalshi’s House market had passed 150 million dollars in traded volume by October 30, according to Oddschecker. The figure highlights the platform’s lead in reported midterm trading activity.

Across midterm markets, Kalshi recorded nearly 1.1 billion dollars in volume, compared with more than 340 million dollars at Polymarket, including its international site, Oddschecker reported.

Texas Senate offers a narrower comparison

The Texas Senate market drew 18 million dollars on Kalshi, versus 3.7 million dollars on Polymarket US, according to Oddschecker. That comparison is specifically between Kalshi and Polymarket’s US venue, unlike the broader midterm totals.

Polymarket US nevertheless offers a wide selection of election contracts. Oddschecker reported that it lists more than 560 midterm markets, covering down-ballot races and ballot measures as well as higher-profile contests.

What it means for prediction markets

  • Volume favors Kalshi: Oddschecker describes Kalshi as the deeper midterm venue, supported by its reported aggregate volume and the House and Texas Senate figures.
  • Scope matters: The overall Polymarket volume includes its international site; the Texas Senate figure and market count refer to Polymarket US.
  • Breadth is distinct from activity: Polymarket US’s more than 560 midterm markets indicate extensive coverage, but the supplied figures do not show how trading is distributed across those contracts.
KalshiPolymarketSenateMidtermsInfiniti MarketsInfiniti Signals

Sources & attribution

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  1. Source
    Oddscheckeroddschecker.com
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    https://www.oddschecker.com
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