Polymarket is 0.1 points higher than Kalshi on a Democratic Senate
Kalshi’s figure is built from two contracts, so the comparison is close, not exact.
Prediction market oddsEvery market’s answer, its best price and its source
Kalshi, Polymarket and more, compared in plain English.
Economy · Biggest move this week
Will the Fed hike on Oct. 28?
65%Hike
About 2 in 3▲ Up 10 pts this week
Last trades; the price to buy may differ. At the last traded price, $100 would return $155 if correct, before fees.
History: Kalshi. Shaded = no data in our feed. Sources & history› Full page →
Market moves
Biggest moves, last 7 days
Michigan Senate (Dem)Midterms · Kalshi
66% → 71%
+6 pts
Change in percentage points over 7 days, from daily closing prices to the latest observation (Sep 27, 4:34 PM ET).
Today · Sep 27
More questions people are asking
Disagreements
Where the sources don’t match
A Republican sweep costs 7.8¢ on Kalshi and 7.5¢ on Polymarket
Matching contracts on both venues. Long shots are often pricier on one.
Kalshi prices an October hike at 65.0% in one market and 64.5% in another
Two contracts that settle on the same outcome.
Explore
Every market, by topic
DeFi
DeFi rates today
News
All news →Latest news
Ravens vs. Cowboys Prediction Markets: NFL Predictions with Polymarket Promo Code RATE
Sixth Circuit Rules Against Kalshi, Lets Ohio and Tennessee Enforce Sports Betting Laws
New York Sues Polymarket US Over Sports, Election and Culture Contracts
Kalshi Traders Trim Jackson’s Edge After Poll Puts Collins Back in Front in Maine
Tools
Free tools
Bonuses
Start with up to $460 in sign-up bonuses
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.