TOTAL VOLUME:
$126.8b
24H VOL:
$142,145,235
24H TRANSACTIONS:
2,159,476,470
OPEN INTEREST:
$1,357,842,222
341,376
Markets across
31,663
events
MATCHED EVENTS:
2,872
PLATFORM COVERAGE:
5
Polymarket:
40%
VS.
Kalshi:
60%
Insights
Read the signal. Skip the noise. Know what’s moving.
Analysis, predictions, and breakdowns from across every market we track — the story behind the numbers.Analysis, predictions, and breakdowns from across every market we track.
Using Prediction Markets for Journalism: A Reporting Workflow
A field guide for reporters: how to monitor prediction markets as a beat, judge a real move from noise, and vet a number before it goes in a story.
Jared Polites · Sep 14
Latest
US Regulated Prediction Markets: Who's In, Who's Not, and Where the Lines Are Blurring
IBKR, Robinhood, Gemini, DraftKings, and FanDuel all built or bought regulated exchanges of their own this year, while federal courts split on whether any of it preempts state law.
Jared Polites · Sep 13
Prediction Market Wash Trading: How to Spot Fake Volume
Wash trading is a trader taking both sides of a contract to fake volume with zero real risk. Here's how it works, why on-chain platforms are more exposed, and the signals that give it away.
Jared Polites · Sep 12
Prediction Market Liquidity Comparison: Why Some Platforms Are Structurally Deeper
Every platform can quote a price. Not all of them can back it once real size hits the book. Here's what actually determines whether liquidity holds, platform by platform.
Jared Polites · Sep 11
Latest in Sports
Prediction Markets vs Sportsbooks: What Actually Changes When You Trade an Event Contract
Here's exactly what changes when you trade a Kalshi or Polymarket event contract instead of betting a sportsbook line.
Jared Polites · Aug 28
World Cup 2026 Week 1 Recap: What the Markets Got Wrong (and Right)
France overtook Spain, the USA won its group, and Messi tied a record. How five prediction markets repriced after Week 1.
Jared Polites · Jun 20
World Cup 2026 Winner Odds: What Prediction Markets Are Saying
France and Spain are the co-favorites, but no team is above 18%. Here's what five prediction markets are currently pricing as the most likely winner — and where they disagree.
Jun 11