DeFi Rate Offer

Prediction market oddsEvery 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

Fed hikes Oct. 28Fed · Kalshi
65% → 33%
−32 pts
Alaska Senate (Dem)Midterms · Kalshi
76% → 70%
−6 pts
Senate control (Dem)Midterms · Kalshi + Polymarket
66% → 63%
−4 pts

Change in percentage points over 7 days, from daily closing prices to the latest observation (Sep 30, 4:57 PM ET).

Today · Sep 30

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Disagreements

Where the sources don’t match

Venue gap

Kalshi is 0.3 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 8.0¢ 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 33.0% in one market and 34.0% in another

Two contracts that settle on the same outcome.

Fed →
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DeFi

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News

Latest news

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  1. prediction markets house senatePrediction Markets Trending Heavily Toward Democratic Sweep of House, Senate
  2. Polymarket bitcoinPolymarket US 15-Minute Bitcoin Volume Hits $92M in First Full Week
  3. stack of pokemon cards sitting on desk in office in front of us flagCFTC Proposes Adjustment to Exclude Casino-Style Games From 'Swaps' Definition
  4. NFL-Week-4-DefiRate-09-29-2026.pngNFL Week 4 Predictions: Latest Spread from Kalshi and Polymarket
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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.