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Kalshi’s midterm trading reaches $2.5 billion, outpacing its 2024 presidential total

IGamingPost reports Kalshi released the figure on November 4, covering House and Senate control, individual races and state outcomes across the 2026 midterm cycle, against 1.3 billion dollars in the 2024 presidential election. Polymarket reportedly generated about 600 million dollars across more than 7,000 election-related markets in the same cycle.

Kalshi recorded $2.5 billion in trading volume across the 2026 midterm election cycle, according to iGamingPost. That was nearly twice the $1.3 billion recorded for the 2024 presidential election.

Election trading expands

Kalshi released the figure on November 4, according to iGamingPost. The total covered markets on House and Senate control, individual races and state outcomes.

The comparison puts Kalshi’s 2026 midterm activity above its 2024 presidential-election benchmark. The reported figure spans multiple types of election contracts, rather than a single contest or control market.

A second platform benchmark

Polymarket generated about $600 million across more than 7,000 election-related markets during the same cycle, according to iGamingPost. Its reported volume was below Kalshi’s, although the summary provides no equivalent market count for Kalshi.

What it means for prediction markets

  • A larger midterm benchmark: Kalshi’s $2.5 billion total exceeded its $1.3 billion figure for the 2024 presidential election, showing greater trading volume in the reported comparison.
  • Aggregate volume has limits: The total does not show how trading was distributed among congressional control, individual races and state outcomes.
  • Platform comparisons need context: Polymarket’s roughly $600 million and more than 7,000 election-related markets provide another measure of activity, but the supplied figures do not establish comparable volume per market.
KalshiPolymarketSenateElectionsMidtermsInfiniti MarketsInfiniti Signals

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