Will Arizona be the last undefeated team in the 2026-27 Pro Football regular season

30-day trend

Analysis

This contract estimates a 20% chance that Arizona finishes the 2026-27 NFL regular season as the last remaining undefeated team. The probability reflects both Arizona's roster strength and the statistical rarity of any team going undefeated through a 17-game season. Key drivers include Arizona's defensive capabilities, injury rates to key players, and schedule strength relative to other contenders. Denver (28%) and Detroit (7%) are priced higher and lower respectively, suggesting market participants view Arizona as middle-tier among undefeated contenders. The primary uncertainty resolver will be the opening weeks of the season, as teams that suffer early losses are eliminated from consideration. By mid-season, the field typically narrows significantly, making September and October performance the most informative period for updating these probabilities.

• ›Arizona's win-loss record through Week 8 will largely determine their remaining probability, as undefeated teams rarely emerge past mid-season
• ›Injury status of Arizona's starting quarterback and top defensive players during the regular season will directly impact game outcomes
• ›Schedule difficulty comparison: Arizona's strength of schedule against Denver and Detroit's will influence relative probabilities across competing contracts
• ›Historical NFL data shows approximately 1-3 teams remain undefeated past Week 4, making 20% a relatively high single-team probability
• ›Trading volume on this contract has been minimal ($0 in 24h volume), suggesting limited market confidence or interest in establishing Arizona as distinct from other contenders

What moved the line

• Aug 20Cincinnati↓18pp26→8¢ · Kalshi
• Aug 21Philadelphia↓4pp9→5¢ · Kalshi
• Aug 21Cincinnati↓4pp8→4¢ · Kalshi

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These markets stopped trading. Last odds and any captured outcome are shown above — full settlement detail lives at the venue.

How we compute these odds