Senate swing-state trading edges balance of power on Polymarket
Covers reports Polymarket's Senate swing-states market leads its Election Day board, ahead of the balance-of-power market, while its House winner market has drawn 44 million dollars and its Senate control market 19 million dollars.
Polymarket’s Senate swing-states market led its Election Day board with 64 million dollars in trading, according to Covers. The balance-of-power market followed at 63 million dollars.
A narrow lead in trading activity
The figures, reported on Nov 3, 2026 at 3:30 PM ET, put the Senate swing-states market just 1 million dollars ahead of the balance-of-power market. That makes the lead modest relative to the trading totals of the two markets.
Covers also reported 44 million dollars in trading for Polymarket’s House winner market. Its Senate control market had drawn 19 million dollars.
Volume does not establish an electoral outlook
The reported totals rank trading activity across the four markets, with Senate swing states first, balance of power second, House winner third and Senate control fourth.
The supplied summary contains no contract prices or implied probabilities. The volume figures therefore show where trading has concentrated, rather than which party or electoral outcome traders consider most likely.
What it means for prediction markets
- The volume lead is narrow: Only 1 million dollars separates Senate swing states from balance of power in the reported snapshot.
- Related markets attract different activity: The Senate swing-states market’s 64 million dollars exceeds the Senate control market’s 19 million dollars.
- Electoral expectations remain unspecified: Without prices or implied probabilities, these totals do not establish a favored outcome.
Sources & attribution
- Published
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- Coverscovers.com
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- https://www.covers.com
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Related
- House control and balance of power markets pass 350 million dollars combined across 11 operators, Covers reports
- Polymarket swing-states market prices Republicans winning no Senate swing states as the likeliest outcome at 34 percent, Action Network reports
- Markets price Democrats at 237 House seats and 53 or more Senate seats, with Republicans held under 185 House seats, Casino.org reports
- Top 1 percent of Polymarket accounts are behind 68 percent of the money bet on the midterms, Anti-Corruption Data Collective finds, News Not Noise reports
- PredictIt user base grows from about 22,000 traders in 2016 to a reported 400,000 users in 2025 ahead of the 2026 midterms, The American Bazaar reports
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