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NFL game forecasts & backtests 11,978 data points · 1,562 fields
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What the backtests support These verdicts summarize the frozen 2024–2025 evaluation. They do not promote experimental forecasts into current recommendations. A single correct pick is not proof of a repeatable pattern.
One game
No single-game verdict 80% margin range: ±18.0 points; observed coverage 82.3%
A single upset or correct pick cannot tell us whether a forecast has a lasting edge. Judge frozen predictions over many games.
The range is calibrated from historical errors; it does not capture every roster or injury change.
Across games
Measured pooled edge over Elo Model − Elo Brier -0.0078; 95% block interval -0.0140 to -0.0018 (n=569)
Lower Brier is better. The paired interval stays below zero across the pooled held-out games.
This is a historical model comparison, not proof of an advantage on the next matchup.
Across seasons
Consistency still mixed 1 of 2 seasons have a model-favoring 95% interval versus Elo
2024: -0.0139 to 0.0042 · 2025: -0.0186 to -0.0024
Only the evaluated seasons are represented. More unseen seasons and model-change controls are needed before calling this durable.
Player to next season
New signal not established Candidate MAE 3.103 vs age plus production 3.098 (3009 player-seasons)
The candidate does not beat the strongest existing baseline on this point-error measure.
Inspected historical seasons and excluded rookie or thin-history cohorts limit any claim about next-season skill.
Historical market check
Market ahead on paired subset Model − market Brier 0.0107; 95% block interval 0.0040 to 0.0185
Positive values favor the historical market on games with matched odds.
Historical odds lack archived quote times. This is not evidence of a real-time or tradable edge.
Evidence metadata Frozen artifact d5b0aa30726c · Snapshot Sep 5, 2026, 1:00 AM UTC
Read the compact evidence API
Players, teams & metrics All data points Field dictionary This-page CSV uses field path, type and value columns, including source context. Full dataset downloads are above.
11,978 matches · 4451–4500 shown. Every field remains available in the full download. Filters are saved in this page’s address.
Recorded data points Field path Value & type $["games"][64]["gameday"] 2026-10-08 string $["games"][64]["homeMarginInterval80"][0] -16.49350678039519 number $["games"][64]["homeMarginInterval80"][1] 19.573720216385585 number $["games"][64]["homeTeam"] DAL string $["games"][64]["homeWinProbability"] 0.5506581750915878 number $["games"][64]["kickoff"] 2026-10-09T00:15:00Z string $["games"][64]["market"] Unavailable (null) null $["games"][64]["neutral"] false boolean $["games"][64]["totalInterval80"][0] 30.298447582015974 number $["games"][64]["totalInterval80"][1] 63.012065206537535 number $["games"][64]["week"] 5 number $["games"][65]["awayTeam"] PHI string $["games"][65]["eloProbability"] 0.521586938258575 number $["games"][65]["expectedAwayScore"] 20.796589172169703 number $["games"][65]["expectedHomeMargin"] 4.264521734100399 number $["games"][65]["expectedHomeScore"] 25.061110906270105 number $["games"][65]["expectedTotal"] 45.857700078439805 number $["games"][65]["featureValues"]["allowedDifference"] 0.11874442625267534 number $["games"][65]["featureValues"]["allowedSum"] 39.409772261398984 number $["games"][65]["featureValues"]["awayGames"] 0 number $["games"][65]["featureValues"]["awayRest"] 7 number $["games"][65]["featureValues"]["eloDifference"] -39.99052848996621 number $["games"][65]["featureValues"]["homeField"] 1 number $["games"][65]["featureValues"]["homeGames"] 0 number $["games"][65]["featureValues"]["homeRest"] 7 number $["games"][65]["featureValues"]["marginDifference"] 6.761768892834663 number $["games"][65]["featureValues"]["restDifference"] 0 number $["games"][65]["featureValues"]["scoringDifference"] 6.880513319087335 number $["games"][65]["featureValues"]["scoringSum"] 48.7448782360789 number $["games"][65]["featureValues"]["winRateDifference"] 0.1823124148020553 number $["games"][65]["gameId"] 2026_05_PHI_JAX string $["games"][65]["gameType"] REG string $["games"][65]["gameday"] 2026-10-11 string $["games"][65]["homeMarginInterval80"][0] -13.769091764289987 number $["games"][65]["homeMarginInterval80"][1] 22.298135232490782 number $["games"][65]["homeTeam"] JAX string $["games"][65]["homeWinProbability"] 0.6359354766123881 number $["games"][65]["kickoff"] 2026-10-11T13:30:00Z string $["games"][65]["market"] Unavailable (null) null $["games"][65]["neutral"] false boolean $["games"][65]["totalInterval80"][0] 29.500891266179025 number $["games"][65]["totalInterval80"][1] 62.214508890700586 number $["games"][65]["week"] 5 number $["games"][66]["awayTeam"] CIN string $["games"][66]["eloProbability"] 0.5793482248219273 number $["games"][66]["expectedAwayScore"] 23.219560428686396 number $["games"][66]["expectedHomeMargin"] -0.4382207840507184 number $["games"][66]["expectedHomeScore"] 22.781339644635676 number $["games"][66]["expectedTotal"] 46.00090007332207 number $["games"][66]["featureValues"]["allowedDifference"] 1.4529888464044485 number
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272 scheduled games, 32 team outlooks, probability calibration, score errors and player-production experiments. Frozen preseason research; does not change public rankings.
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Published observations, approved source-labeled aggregates, research and definitions are provided within each dataset's stated scope. Read each record's source, period, scoring and availability. Research visibility does not promote a model into public rankings. Missing means unavailable, never zero. No account records or provider write access.