Kalshi is the CFTC-regulated prediction market exchange where you place trades. WhenWin is the analysis layer that scans Kalshi contracts for mispricings and tells you which side has the edge. They serve different purposes.
Kalshi is a federally regulated exchange offering event contracts on economics, politics, weather, and more. It's legal for US residents and operates under CFTC oversight. Kalshi provides the trading infrastructure — you buy YES or NO contracts, and they settle automatically when the event resolves.
WhenWin scans Kalshi markets for mispricings — contracts where the market price doesn't match the actual probability. We flag opportunities with an 8%+ quantified edge, tracked against historical calibration data from 130,000+ resolved markets.
Kalshi is regulated (CFTC) and better for US traders worried about regulatory risk. Polymarket is larger with more market variety. WhenWin scans both — you don't have to choose. Our picks specify which exchange to use for each trade.
Is WhenWin affiliated with Kalshi? No. WhenWin is an independent analysis service. We analyze Kalshi's publicly available market data.
Does WhenWin cover all Kalshi markets? We scan all open Kalshi contracts every 2 hours and flag ones that meet our edge criteria. Not every market qualifies — most don't.
How does Kalshi compare to Polymarket for prediction market trading? Kalshi is CFTC-regulated and requires identity verification. Polymarket is decentralized with higher liquidity on major markets. Both are valid — WhenWin analyzes both.