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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 · 4751–4800 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"][74]["eloProbability"] 0.5931404230936284 number $["games"][74]["expectedAwayScore"] 22.45328779308479 number $["games"][74]["expectedHomeMargin"] 0.7944622624856501 number $["games"][74]["expectedHomeScore"] 23.24775005557045 number $["games"][74]["expectedTotal"] 45.70103784865524 number $["games"][74]["featureValues"]["allowedDifference"] 1.496749373474774 number $["games"][74]["featureValues"]["allowedSum"] 46.68097765064903 number $["games"][74]["featureValues"]["awayGames"] 0 number $["games"][74]["featureValues"]["awayRest"] 7 number $["games"][74]["featureValues"]["eloDifference"] 10.485191797330344 number $["games"][74]["featureValues"]["homeField"] 1 number $["games"][74]["featureValues"]["homeGames"] 0 number $["games"][74]["featureValues"]["homeRest"] 7 number $["games"][74]["featureValues"]["marginDifference"] -3.9833857863115174 number $["games"][74]["featureValues"]["restDifference"] 0 number $["games"][74]["featureValues"]["scoringDifference"] -2.486636412836738 number $["games"][74]["featureValues"]["scoringSum"] 45.02239961558968 number $["games"][74]["featureValues"]["winRateDifference"] -0.15206550552364756 number $["games"][74]["gameId"] 2026_05_CHI_GB string $["games"][74]["gameType"] REG string $["games"][74]["gameday"] 2026-10-11 string $["games"][74]["homeMarginInterval80"][0] -17.23915123590474 number $["games"][74]["homeMarginInterval80"][1] 18.828075760876036 number $["games"][74]["homeTeam"] GB string $["games"][74]["homeWinProbability"] 0.5315488082862091 number $["games"][74]["kickoff"] 2026-10-11T20:25:00Z string $["games"][74]["market"] Unavailable (null) null $["games"][74]["neutral"] false boolean $["games"][74]["totalInterval80"][0] 29.34422903639446 number $["games"][74]["totalInterval80"][1] 62.05784666091602 number $["games"][74]["week"] 5 number $["games"][75]["awayTeam"] DET string $["games"][75]["eloProbability"] 0.410130743039576 number $["games"][75]["expectedAwayScore"] 25.94068540167544 number $["games"][75]["expectedHomeMargin"] -5.074893080523228 number $["games"][75]["expectedHomeScore"] 20.86579232115221 number $["games"][75]["expectedTotal"] 46.80647772282765 number $["games"][75]["featureValues"]["allowedDifference"] 5.489697909467626 number $["games"][75]["featureValues"]["allowedSum"] 53.63154776053533 number $["games"][75]["featureValues"]["awayGames"] 0 number $["games"][75]["featureValues"]["awayRest"] 7 number $["games"][75]["featureValues"]["eloDifference"] -118.13337487491911 number $["games"][75]["featureValues"]["homeField"] 1 number $["games"][75]["featureValues"]["homeGames"] 0 number $["games"][75]["featureValues"]["homeRest"] 7 number $["games"][75]["featureValues"]["marginDifference"] -8.96683962509422 number $["games"][75]["featureValues"]["restDifference"] 0 number $["games"][75]["featureValues"]["scoringDifference"] -3.4771417156265905 number $["games"][75]["featureValues"]["scoringSum"] 43.91585450888306 number $["games"][75]["featureValues"]["winRateDifference"] -0.26279334852790326 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.