Compare prediction markets across Polymarket and Kalshi.
All live markets from Polymarket and Kalshi, in one scanner. Filter to what you follow, get alerts when prices move.
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Prediction Market Scanner
Real-time prediction market data from Polymarket and Kalshi
How to use the scanner.
From all live markets to an actionable shortlist, in three steps.
Choose the markets you want to trade.
- Search
- Find any market by topic, name, or event.
- Categories
- Filter by topic, from politics and economics to crypto, sports, and climate.
- Platform
- Show markets from Polymarket, Kalshi, or both.
- Hide sports
- Hide sports markets when you want to focus on everything else.
Get alerts and discover new markets.
Follow the markets you care about, or save a discovery filter. Get alerts on price moves, new matching markets, and resolutions.
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Set a discovery filter to shape which markets reach you
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Explore markets by topic.
Pick a topic. Get its markets, news, and analysis in one place.
Why compare Polymarket and Kalshi.
Polymarket and Kalshi aren't interchangeable. Different markets, liquidity, fees, and access mean the better venue changes from trade to trade.
Polymarket
The largest prediction market in the world by volume.
- Markets
- Deepest in crypto, politics, and culture
- Liquidity
- Deepest globally; sub-cent spreads on popular markets
- Fees
- Geopolitics free; ~0.75 to 1.8% elsewhere
- Funding
- USDC, crypto, and card; ACH and wire on the US version
- Regulation
- US version CFTC-regulated; global platform crypto-native
- US access
- Invite-only US waitlist
Kalshi
The benchmark for regulated US trading.
- Markets
- Strongest in economics, weather, and sports
- Liquidity
- Deep on major markets, tight spreads
- Fees
- Up to 2 cents per contract
- Funding
- USD via ACH, debit, and wire, plus crypto
- Regulation
- CFTC-regulated US exchange
- US access
- All 50 states (some sports restrictions)
Seeing both gives you more choices on any topic.
Volume and spread data shows you where the better fill is.
Settlement, fees, and where you can trade differ, so you pick what fits.
Strategy reading.
The scanner surfaces the markets. These sharpen how you trade them.
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