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Kalshi dominates monthly activity as prediction market trading accelerates

Volume Race compiles daily totals from the exchanges own reports and puts the last 30 days at 135 billion dollars, with Kalshi handling 75.2 percent of it. Thursday, November 5 alone traded 4.81 billion dollars across 10 exchanges.

Prediction markets recorded $37.5 billion in trading volume over the last 7 days, an increase of 8.7%, according to Volume Race. Year-to-date volume reached $512 billion.

The figures were published on Nov 6, 2026, at 2:30 PM ET. Volume Race compiles its daily totals using reports from the exchanges themselves.

Kalshi accounts for most monthly volume

Trading across the last 30 days totaled $135 billion, according to Volume Race. Kalshi handled 75.2% of that activity, giving it a substantial majority of the reported monthly volume.

For Thursday, November 5 alone, Volume Race recorded $4.81 billion in trading across 10 exchanges. That daily snapshot accompanies the broader increase in reported weekly activity.

What it means for prediction markets

  • The 8.7% increase puts reported volume for the last 7 days at $37.5 billion, marking a rise in trading activity.
  • Kalshi’s 75.2% share of the last 30 days makes exchange concentration a central feature of the reported totals.
  • The figures measure trading volume, not changes in event probabilities. They do not establish how activity is distributed across individual contracts.
  • Because Volume Race draws on exchanges’ own reports, those disclosures underpin the aggregate figures.
KalshiInfiniti MarketsInfiniti Signals

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