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Prediction market odds Every market’s answer, its best price and its source

Kalshi, Polymarket and more. Compare odds, volume and price movements.

Featured prediction markets

Biggest market today

334: Ciryl Gane vs Josh Hokit

  • Ciryl Gane67% 3 pts today (up)

$935K traded on Kalshi in 24 hours

AI markets

Which company will have the best AI model?

  • This month: Traders Give Gemini 4 Carbon (High) an 80% Chance to Be the Top AI Model at the End of November.
  • This year: Google is a 76% favorite to have the best AI model at the end of 2026.
Power of Congress

Democrats are favored to win both chambers.

  • Democrats win the House98%
  • Democrats win the Senate87%
Next NFL game

New England Patriots at Detroit Lions

  • Lions to win58%

Market moves

Biggest moves, last 7 days

Senate control (Dem)Midterms · Kalshi + Polymarket
65% → 87%
+22 pts
Michigan Senate (Dem)Midterms · Kalshi
70% → 86%
+16 pts
Fed hikes Dec. 9Fed · Kalshi
77% → 89%
+12 pts

Change in percentage points over 7 days, from daily closing prices to the latest observation (Nov 3, 7:03 PM ET).

Today · Nov 3

More questions people are asking

Volume$4.9B traded in the last 24 hoursOn 9 prediction market exchanges, contracts counted at $1.Volume tracker →
Disagreements

Where the sources don’t match

Venue gap

Polymarket is 2.6 points higher than Kalshi on a Democratic Senate

Kalshi’s figure is built from two contracts, so the comparison is close, not exact.

Midterms →
Like-for-like

A Republican sweep costs 2.9¢ on Kalshi and 1.8¢ on Polymarket

Matching contracts on both venues. Long shots are often pricier on one.

Midterms →
Same venue, two contracts

Kalshi prices a December hike at 88.5% in one market and 96.5% in another

Two contracts that settle on the same outcome.

Fed →
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News

Latest news

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  1. Illustration for "CFTC Sues Arkansas to Block Kalshi Crackdown and Shield Prediction Markets"CFTC Sues Arkansas to Block Kalshi Crackdown and Shield Prediction Markets
  2. Illustration for "Trump Names Two CFTC Commissioners as Democrats Prepare Oversight Push"Trump Names Two CFTC Commissioners as Democrats Prepare Oversight Push
  3. Illustration for "Louisiana Wins Temporary Order Against Kalshi, Polymarket, 8 More Platforms"Louisiana Wins Temporary Order Against Kalshi, Polymarket, 8 More Platforms
  4. Kalshi promo code rate nba nov 13 2026Kalshi Promo Code RATE: $55 Bonus for Warriors vs. Spurs Props
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How we work

Every number has receipts

SourcesTap any figure to see the exact contracts, bid and ask, quote age and history.
One methodHeadline figures average Kalshi and Polymarket where both list the question. One venue alone is labeled.
TimestampsData observation and editorial updates are shown separately.
CitableEvery page has a permanent snapshot and downloadable data.