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House and congressional control contracts exceed $350M across 11 operators

Covers' most-traded midterm markets piece, updated Nov. 3 at 1:37 PM ET and read this run, reports control of the House and the Congress Balance of Power contracts have…

Markets covering control of the House and Congress Balance of Power have generated more than $350M in combined notional volume across 11 operators, according to Covers.

The figure brings together two categories of midterm election contracts. It is a combined total, not a separate volume figure for either House control or Congress Balance of Power.

What the available reporting establishes

Covers’ review of the most-traded midterm markets was updated Nov. 3 at 1:37 PM ET. The supplied story referencing that coverage was published Nov. 3, 2026, at 3:54 PM ET.

The available summary ends before providing further detail, and no source links were supplied. It does not identify the 11 operators, break down volume between the two categories or provide contract prices.

What it means for prediction markets

  • Volume is not a probability forecast. The more-than-$350M total measures reported notional activity; it does not establish which party traders expect to control the House or Congress.
  • The aggregate leaves important comparisons unresolved. Without operator-level figures or a split between the contract categories, readers cannot determine where trading was concentrated.
  • Timing limits the comparison. Covers’ stated update was at 1:37 PM ET on Nov. 3; the supplied material does not establish activity after that update.
PredictionMarketsPolymarketSenateCongressInfiniti MarketsInfiniti Signals

Sources & attribution

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