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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 · 3601–3650 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"][38]["expectedHomeMargin"] 3.6614694090607416 number $["games"][38]["expectedHomeScore"] 24.91642452064041 number $["games"][38]["expectedTotal"] 46.171379632220074 number $["games"][38]["featureValues"]["allowedDifference"] 1.420554851134689 number $["games"][38]["featureValues"]["allowedSum"] 38.10796183651697 number $["games"][38]["featureValues"]["awayGames"] 0 number $["games"][38]["featureValues"]["awayRest"] 7 number $["games"][38]["featureValues"]["eloDifference"] -22.22856744917908 number $["games"][38]["featureValues"]["homeField"] 1 number $["games"][38]["featureValues"]["homeGames"] 0 number $["games"][38]["featureValues"]["homeRest"] 7 number $["games"][38]["featureValues"]["marginDifference"] 3.9091922226249824 number $["games"][38]["featureValues"]["restDifference"] 0 number $["games"][38]["featureValues"]["scoringDifference"] 5.329747073759663 number $["games"][38]["featureValues"]["scoringSum"] 50.29564448140657 number $["games"][38]["featureValues"]["winRateDifference"] -0.014110264774721548 number $["games"][38]["gameId"] 2026_03_NE_JAX string $["games"][38]["gameType"] REG string $["games"][38]["gameday"] 2026-09-27 string $["games"][38]["homeMarginInterval80"][0] -14.372144089329646 number $["games"][38]["homeMarginInterval80"][1] 21.69508290745113 number $["games"][38]["homeTeam"] JAX string $["games"][38]["homeWinProbability"] 0.6244418961460027 number $["games"][38]["kickoff"] 2026-09-27T17:00:00Z string $["games"][38]["market"] Unavailable (null) null $["games"][38]["neutral"] false boolean $["games"][38]["totalInterval80"][0] 29.814570819959293 number $["games"][38]["totalInterval80"][1] 62.528188444480854 number $["games"][38]["week"] 3 number $["games"][39]["awayTeam"] NYJ string $["games"][39]["eloProbability"] 0.7353896810150858 number $["games"][39]["expectedAwayScore"] 17.411192293478713 number $["games"][39]["expectedHomeMargin"] 10.514469355834777 number $["games"][39]["expectedHomeScore"] 27.92566164931349 number $["games"][39]["expectedTotal"] 45.3368539427922 number $["games"][39]["featureValues"]["allowedDifference"] -5.433029502290747 number $["games"][39]["featureValues"]["allowedSum"] 53.57487935335844 number $["games"][39]["featureValues"]["awayGames"] 0 number $["games"][39]["featureValues"]["awayRest"] 7 number $["games"][39]["featureValues"]["eloDifference"] 122.56430209300538 number $["games"][39]["featureValues"]["homeField"] 1 number $["games"][39]["featureValues"]["homeGames"] 0 number $["games"][39]["featureValues"]["homeRest"] 10 number $["games"][39]["featureValues"]["marginDifference"] 12.79944661542044 number $["games"][39]["featureValues"]["restDifference"] 3 number $["games"][39]["featureValues"]["scoringDifference"] 7.366417113129696 number $["games"][39]["featureValues"]["scoringSum"] 40.026579111379945 number $["games"][39]["featureValues"]["winRateDifference"] 0.20610366266350433 number $["games"][39]["gameId"] 2026_03_NYJ_DET string $["games"][39]["gameType"] REG string
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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.