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

Kalshi, Polymarket and more, compared in plain English.

Featured prediction markets

Market moves

Biggest moves, last 7 days

Michigan Senate (Dem)Midterms · Kalshi
72% → 66%
−6 pts
Senate control (Dem)Midterms · Kalshi + Polymarket
65% → 62%
−3 pts
House control (Dem)Midterms · Kalshi
92% → 90%
−2 pts

Change in percentage points over 7 days, from daily closing prices to the latest observation (Oct 10, 5:05 PM ET).

Today · Oct 10

More questions people are asking

Volume$3.7B 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 1.2 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 10.5¢ on Kalshi and 8.5¢ on Polymarket

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

Midterms →
Same venue, two contracts

Kalshi prices an October hike at 15.5% in one market and 17.5% in another

Two contracts that settle on the same outcome.

Fed →
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  3. Georgia-Alabama-Kalshi-10-10-2026.pngKalshi Promo Code RATE: $25 Bonus for Georgia vs. Alabama SEC Showdown
  4. Kalshi-UFC-Night-10-10-2026.pngKalshi Promo Code RATE: $25 Bonus for Allen vs. Duncan at UFC Vegas 122
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KalshiTrade $10, Get $25 · code RATE
$25for $10
Polymarket USDeposit $10 get a $25 trading bonus · code RATE
$25for $10
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$100for $5

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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.