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The busiest prediction markets on Polymarket in the last 24 hours, updated Nov 1, 10:32 AM ET, leaving out single games and short crypto price bets. Each page shows the odds, how they moved and, where the same market is on Kalshi, both prices side by side.
| Market | Lead, 24h |
|---|---|
| Which Senate Swing States will Republicans win? Leading on Polymarket: None, 26% | +3 pts |
| Democratic Presidential Nominee 2028 Leading on Polymarket: Gavin Newsom, 16% | – |
| Michigan Senate Election Winner Leading on Polymarket: Abdul El-Sayed (D), 82% | +1 pt |
| Which party will win the House in 2026? Leading on Polymarket: Democratic Party, 95% | – |
| Will 1win launch a token by ___? Leading on Polymarket: October 31, 2026, >99% | +76 pts |
| Balance of Power: 2026 Midterms Leading on Polymarket: Democrats Sweep, 72% | +1 pt |
| Presidential Election Winner 2028 Leading on Polymarket: JD Vance, 19% | – |
| Texas Senate Election Winner Leading on Polymarket: James Talarico (D), 71% | −1 pt |
| Nebraska Senate Election Winner Leading on Polymarket: Pete Ricketts (R), 75% | +2 pts |
| Next French Presidential Election Leading on Polymarket: Marine Le Pen, 41% | −1 pt |
| US-Iran ceasefire continues through...? Leading on Polymarket: October 31, >99% | +2 pts |
| Israel x Iran ceasefire continues through...? Leading on Polymarket: October 29, >99% | – |
| Which party will win the Senate in 2026? Leading on Polymarket: Democratic Party, 73% | +1 pt |
| US announces end of Iranian blockade by...? Leading on Polymarket: March 31, 64% | – |
| Iowa Senate Election Winner Leading on Polymarket: Ashley Hinson (R), 59% | +3 pts |
See the big bets as they land. ArbTrader's Whale Tracker shows every large bet on Kalshi and Polymarket the moment it's placed, and the AI Analyst researches any market in about a minute.
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Odds are the market's last traded price shown as a chance; they change all the time. Not a prediction and not financial advice. Source: Polymarket. Game odds · Election odds