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Kalshi leads sports market activity as daily trading reaches $707 million

DeFi Rate counts 707 million dollars traded on sports markets across seven venues in the last 24 hours, up 10 percent from the prior day, with Kalshi at 403 million dollars and Polymarket US at 144 million dollars. Open interest on Kalshi and Polymarket US stood at 620 million dollars.

Sports prediction markets generated $707 million in trading across seven venues over the last 24 hours, according to DeFi Rate. The total was up 10 percent from the prior day.

The figures, published Nov 1, 2026, at 11:30 PM ET, show daily trading activity alongside a separate measure of open interest on Kalshi and Polymarket US.

Kalshi accounts for the largest reported total

Kalshi recorded $403 million in sports market trading, according to DeFi Rate. Polymarket US recorded $144 million.

Those venue figures sit within the seven-venue total. The supplied summary does not identify the other venues or provide their individual trading volumes.

Open interest adds a separate measure

Open interest on Kalshi and Polymarket US stood at $620 million, according to DeFi Rate. The summary does not break that figure down between the two venues.

The open-interest figure covers only those two platforms, while the $707 million trading total spans seven. The measures therefore differ both in what they track and in their venue coverage.

What it means for prediction markets

  • The 10 percent daily increase indicates higher sports trading activity, but the summary provides no longer-term comparison.
  • Kalshi’s $403 million exceeded Polymarket US’s $144 million, making venue-level differences important when interpreting the aggregate.
  • The figures describe activity and open interest, not changes in contract prices or implied probabilities for particular sports outcomes.
KalshiPolymarketInfiniti 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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