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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

Market moves

Biggest moves, last 7 days

Fed hikes Oct. 28Fed · Kalshi
14% → 6%
−8 pts
Senate control (Dem)Midterms · Kalshi + Polymarket
63% → 69%
+5 pts
Ravens win Super BowlSuper Bowl · Kalshi
9% → 7%
−2 pts

Change in percentage points over 7 days, from daily closing prices to the latest observation (Oct 23, 12:43 AM ET).

Today · Oct 23

More questions people are asking

Volume$4.1B 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

Kalshi is 0.0 points higher than Polymarket 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 8.6¢ on Kalshi and 7.5¢ 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 5.5% in one market and 6.5% in another

Two contracts that settle on the same outcome.

Fed →
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News

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  1. Patriots-Bears-Polymarket-10-22-2026.pngPolymarket Promo Code RATE: $25 Bonus for Patriots vs. Bears Thursday Night Football
  2. Illustration for "US Election Trading on Kalshi and Polymarket Jumps 153% to $104M Ahead of the Midterms"US Election Trading on Kalshi and Polymarket Jumps 153% to $104M Ahead of the Midterms
  3. talarico-kalshi-texas-senate-trading-35m-featured-2.pngTalarico Climbs to 66% on Kalshi as Texas Senate Trading Hits $35M
  4. acton-hits-76-on-kalshi-in-ohio-governor-race-as-ramaswamy-a-featured-2.pngActon Hits 76% on Kalshi in Ohio Governor Race as Ramaswamy Ad Sparks Republican Backlash
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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.