NFL Champion: Polymarket vs Kalshi
Buffalo Bills leads at 12.5¢ on Polymarket against 12.5¢ on Kalshi. The two venues agree closely on this market right now: no outcome differs by 3 points or more.
Poly
KalshiDiff
Buffalo Bills▲1.012.5¢12.5¢0.0Los Angeles Rams11.5¢11.5¢0.0Baltimore Ravens8.8¢7.5¢+1.3Kansas City Chiefs7.4¢6.5¢+0.9Seattle Seahawks6.5¢6.5¢0.0San Francisco 49ers6.5¢7.5¢-1.1Chicago Bears5.3¢4.5¢+0.8Cincinnati Bengals4.3¢4.5¢-0.3Philadelphia Eagles4.2¢4.5¢-0.3Houston Texans3.6¢3.5¢+0.1Dallas Cowboys3.5¢3.5¢+0.1Denver Broncos3.5¢3.5¢-0.1Jacksonville Jaguars3.5¢3.5¢-0.1New England Patriots3.1¢3.5¢-0.3Detroit Lions2.9¢2.5¢+0.5Los Angeles Chargers▼0.42.9¢2.5¢+0.4Green Bay Packers2.5¢2.5¢+0.1Minnesota Vikings1.9¢2.5¢-0.6New York Giants1.9¢2.5¢-0.6Tampa Bay Buccaneers1.1¢1.5¢-0.3Pittsburgh Steelers0.9¢1.5¢-0.7Indianapolis Colts0.8¢1.0¢—New Orleans Saints0.5¢1.0¢—Washington Commanders0.5¢1.0¢—Carolina Panthers0.4¢1.0¢—Miami Dolphins0.4¢1.0¢—New York Jets0.4¢1.0¢—Arizona Cardinals0.4¢1.0¢—Las Vegas Raiders0.4¢1.0¢—Tennessee Titans0.4¢1.0¢—Atlanta Falcons0.4¢1.0¢—Cleveland Browns0.4¢1.0¢—Polymarket shows the last traded price; Kalshi shows the bid/ask midpoint. Where the Kalshi book is too wide to compare, the raw bid–ask range is shown instead and no difference is reported. Prices move continuously — confirm on the venue before trading.
Where to trade this
Polymarket review
USDC settlement, taker fees 0.75–1.80%, no interest on balances.
Kalshi review
CFTC-regulated, USD settlement, about 4% APY on idle cash.
Deciding between them? Read the full Polymarket vs Kalshi comparison, or see the best prediction market apps.
NFL Champion odds explained
The table above prices NFL Champion on Polymarket and Kalshi at the same moment. Each figure is what one contract costs in cents, so 52.0¢ means the market implies a 52% chance. Contracts settle at $1, which makes the price and the implied probability the same number.
The two venues run separate order books, so the same outcome can sit several points apart. Where the gap reaches three points it is worth a look: that is roughly what a difference needs to be to survive Polymarket's 0.75–1.80% taker fee and Kalshi's per-contract charge. Our prediction market arbitrage guide covers how to trade a gap without getting caught with one leg filled.
Frequently asked questions
Where can I get the best odds on NFL Champion?
The table above prices NFL Champion on both venues, refreshed every ten minutes, with the cheaper side highlighted for each outcome. It is often not the same venue across the whole board.
Is there an arbitrage opportunity on NFL Champion?
Differences of three points or more are flagged above — roughly what a gap needs to survive fees on both sides. Smaller ones are shown but rarely worth acting on; the arbitrage guide covers the execution risk.
Who is favourite in NFL Champion?
Buffalo Bills carries the highest implied probability on Polymarket right now. The ranking reflects the most recent sync and moves with the market.
Do I owe tax on profits from this market?
Yes. Kalshi issues a 1099-MISC and Polymarket issues nothing, and there is no IRS guidance specific to prediction markets — see the tax guide.
More sports odds, or every market we track on the Polymarket vs Kalshi comparison. New to this? Start with how prediction markets work and the best prediction market apps.
