Prediction market tools for event contract trading. Compare Kalshi vs Polymarket odds, scan prediction market arbitrage, and convert prices with an implied probability calculator.
Click any tile to see a live sample, including the Kalshi vs Polymarket AI edge breakdown.
Kalshi has the advantage on legal US access, USD funding, clean tax reporting, clearinghouse settlement, and short-term hourly markets that PredictionEdgeAI can scan for closing-soon opportunities.
AI-graded heavy favorites paying 5–20% ROI. Easy wins with low downside, plus the thesis for each pick.
AI scan that finds where Kalshi pays more than DraftKings, FanDuel, BetMGM & others — with the math.
The 10 Kalshi bets AI is most confident about right now — with cited sources and the thesis.
AI compares both platforms and highlights where Kalshi has the edge for US traders, short-term liquidity, settlement, and tax reporting.
Short-term plays. AI scans every Kalshi market closing in the next 60 minutes for high-edge in/out trades.
News + X + Reddit sentiment vs Kalshi prices. Flags markets that are under- or overreacting, with a lag estimate.
Whale-alert scanner that flags unusual volume spikes and order-book walls — and which side to follow.
Inspired by Kalshi winning slips people share on X. Sample data shown for illustration — your results depend on your own trades.
Sample slips for illustration. PredictionAlpha does not take bets or guarantee returns.
Our AI analyzed both venues across regulation, liquidity, fees, market depth, and US trader experience. Here's where Kalshi has the structural edge.
Kalshi pays 6.3% more on the same outcome. CFTC clearing means USD settlement on print day — no UMA oracle lag. For US traders this is the cleaner expression of the same thesis.
Kalshi NO is 6¢ cheaper. Polymarket's political book is thicker but US whales push the YES side; Kalshi's retail-heavy flow leaves the contrarian NO mispriced.
Same binary, 13% more upside on Kalshi. Polymarket overprices BTC YES because the book is USDC-denominated — bulls effectively double-long crypto. Kalshi's USD book strips that bias out.
Kalshi is the only regulated US venue with NFL futures depth — Polymarket's thin sports book leaves a 4¢ gap. Same outcome, 22% larger payout, instant ACH withdrawal on settle.
Kalshi reacts to DC headlines in minutes; Polymarket lags because resolution depends on a UMA proposal + dispute window. Faster price discovery + cheaper YES = clean edge.
Macro prints settle to BLS data — Kalshi auto-resolves at 8:31am ET. Polymarket waits for oracle finalization (hours to days), so traders discount the NO. Take the Kalshi price and the same-day cash.
Across Fed, politics, crypto, sports, and macro prints, Kalshi consistently quotes 5–22% better payouts than Polymarket on the same binary outcome. Add CFTC clearing, 1099-B tax reporting, instant USD withdrawals, and no oracle dispute risk — and PredictionEdgeAI's job becomes simple: surface these mispricings before they close.
The first 1,000 signups get every Pro feature — arbitrage scanner, real-time alerts, AI insights — free, forever. No upgrade nag. No grandfather clause buried in a TOS.
No. PredictionAlpha is a data and analytics platform. You trade on Kalshi, Polymarket, or wherever you already have an account — we never touch your money.
Every Pro feature — arbitrage scanner, unlimited alerts, AI insights, historical charts — free for life. We cap it at the first 1,000 signups, then Pro becomes paid.
Analytics tools work everywhere. Whether you can place trades depends on the underlying platform's rules in your state — we'll surface those restrictions clearly.
Web first, with a Google Play app coming after launch. Founding members get early access.
No. Everything on PredictionAlpha is information and analytics. Trade at your own risk.