TOTAL VOLUME:
$126.8b
24H VOL:
$122,314,324
24H TRANSACTIONS:
2,159,476,470
OPEN INTEREST:
$1,331,186,481
338,503
Markets across
31,526
events
MATCHED EVENTS:
2,864
PLATFORM COVERAGE:
5
Polymarket:
40%
VS.
Kalshi:
60%
Platform Comparison
Side-by-side breakdowns of prediction market platforms: fees, markets, liquidity, and usability.
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
How Do Prediction Market Fees Actually Work?
Kalshi, Polymarket, Predict.Fun, and Opinion now all charge takers a fee that peaks on a 50-cent contract and fades toward the extremes.
Jared Polites · Aug 18
Kalshi vs Polymarket: Which Prediction Market Is Right for You?
Kalshi is CFTC-regulated and dollar-funded. Polymarket runs on USDC with deeper global liquidity and now has its own regulated US arm too. Compare live.
Jared Polites · Jul 30
Is Kalshi Legit? A Data-Backed Review (2026)
Yes, Kalshi is CFTC-regulated and has been since 2020. Here's what that actually protects, what the fees really cost, what deposits and withdrawals are like, and the state-by-state legal fight.
Jared Polites · Jul 28