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Democratic control odds diverge as sweep trading exceeds $158 million

TokenPost reports Polymarket displayed a 78 percent probability for Democrats to control both chambers with more than 58 million dollars in related market volume, while Kalshi showed 74 percent with contract volume above 100 million dollars. Combined, the two sweep volume figures exceeded 158 million dollars.

Markets tied to Democrats controlling both chambers showed probabilities of 78 percent on Polymarket and 74 percent on Kalshi, according to TokenPost. The figures put Polymarket’s displayed probability 4 percentage points higher.

Volume across two platforms

TokenPost reported more than $58 million in related market volume on Polymarket, alongside contract volume above $100 million on Kalshi. Together, those Democratic sweep volume figures exceeded $158 million.

The figures appeared in a report published Nov 3, 2026, at 1:00 PM ET. Both platforms’ displayed probabilities favored Democratic control of both chambers, though neither indicated certainty.

Reading the comparison

The supplied summary does not include the contracts’ precise terms or resolution rules. It therefore supports a comparison of the reported probabilities and volumes, but not a conclusion that the two platforms’ contracts were identical.

What it means for prediction markets

  • Probability gap: Polymarket’s 78 percent reading was 4 percentage points above Kalshi’s 74 percent, according to TokenPost.
  • Trading activity: The reported sweep volumes exceeded $158 million combined; that total measures reported volume, not the probability of the outcome.
  • Comparison limits: Without contract terms or resolution rules, the price difference alone does not establish an apples-to-apples discrepancy.
KalshiPolymarketInfiniti MarketsInfiniti Signals

Sources & attribution

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    TokenPost
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