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Kalshi leads sports contract activity as daily turnover climbs sharply

Sports markets traded 738 million dollars in the last 24 hours across Kalshi, Polymarket US, Polymarket, DraftKings Predictions, Novig, Rothera and Underdog Exchange, up 60 percent from the prior 24 hours. Kalshi accounted for 441 million dollars, Polymarket US for 141 million dollars and Polymarket for 77 million dollars.

Sports prediction markets generated 738 million dollars in trading over the last 24 hours, a 60 percent increase from the prior 24 hours, according to DeFi Rate.

The figures were published Nov 8, 2026, at 3:45 AM ET. They cover activity across Kalshi, Polymarket US, Polymarket, DraftKings Predictions, Novig, Rothera and Underdog Exchange.

Kalshi accounts for most of the volume

Kalshi recorded 441 million dollars in trading, accounting for more than half of the combined total. Polymarket US contributed 141 million dollars, while Polymarket recorded 77 million dollars, according to DeFi Rate.

The supplied summary does not provide individual volumes for DraftKings Predictions, Novig, Rothera or Underdog Exchange. It also does not identify which sports or contracts drove the increase.

What it means for prediction markets

  • The 60 percent rise marks a substantial increase in aggregate activity, but the summary does not establish whether growth was broad-based across platforms.
  • Kalshi’s majority share makes it the largest contributor to the reported total; Polymarket US and Polymarket are listed separately.
  • Turnover alone does not show how event probabilities changed. No contract prices or market-level trading breakdowns were provided.
KalshiPolymarketDraftKingsInfiniti MarketsInfiniti Signals

Sources & attribution

Published
  1. Source
    DeFi Ratedefirate.com
    Publisher
    https://defirate.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 DeFi Rate”). 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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