Polymarket is 1.3 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?
64%Hike
About 2 in 3▲ Up 11 pts this week
Last trades; the price to buy may differ. At the last traded price, $100 would return $160 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
65% → 73%
+8 pts
Change in percentage points over 7 days, from daily closing prices to the latest observation (Sep 25, 4:44 PM ET).
Today · Sep 25
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Disagreements
Where the sources don’t match
A Republican sweep costs 8.0¢ 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 63.5% in one market and 63.5% in another
Two contracts that settle on the same outcome.
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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.