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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
30% → 12%
−18 pts
Kalshi11.5¢
Senate control (Dem)Midterms · Kalshi + Polymarket
63% → 66%
+3 pts
Kalshi66.6¢Polymarket67¢
+2
Alaska Senate (Dem)Midterms · Kalshi
74% → 76%
+2 pts
Dem76¢GOP25¢

Change in percentage points over 7 days, from daily closing prices to the latest observation (Oct 21, 5:13 PM ET).

Today · Oct 21

More questions people are asking

Volume$3.9B 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 0.5 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 8.8¢ 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 12.0% in one market and 11.5% in another

Two contracts that settle on the same outcome.

Fed →
Explore

Every market, by topic

DeFi

DeFi rates today

USDC lending rate
4.6%

Weighted across the biggest DeFi lending pools.

USDC borrowing rate
5.2%

Weighted by the $7.8B borrowed across 145 markets.

Bitcoin price
$84,629

Up 2.3%in 24 hours

Traded on DEXs, 24 hours
$7.6B

Up 20.7%vs. the day before

Across 662 exchanges.

News

Latest news

All news →
  1. talarico-kalshi-texas-senate-trading-35m-featured-2.pngTalarico Climbs to 66% on Kalshi as Texas Senate Trading Hits $35M
  2. 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
  3. Illustration for "Ohio Threatens Prediction Market Lawsuits as Polymarket Sues First"Ohio Threatens Prediction Market Lawsuits as Polymarket Sues First
  4. usa flag in front of supreme court buildingWhat Happens If the Supreme Court Rules That Sports Event Contracts Are Not Swaps?
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Bonuses

Start with up to $415 in sign-up bonuses

KalshiTrade $25, Get $55 · code RATE
$55for $25
Polymarket USDeposit $10 get a $25 trading bonus · code RATE
$25for $10
FanDuel PredictsTrade $5, Get $100
$100for $5

Compare all six offers →

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.