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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 · 3501–3550 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"][34]["week"] 3 number $["games"][35]["awayTeam"] HOU string $["games"][35]["eloProbability"] 0.48229077117034264 number $["games"][35]["expectedAwayScore"] 24.745915395253476 number $["games"][35]["expectedHomeMargin"] -2.679009575088316 number $["games"][35]["expectedHomeScore"] 22.06690582016516 number $["games"][35]["expectedTotal"] 46.81282121541864 number $["games"][35]["featureValues"]["allowedDifference"] 6.748676601976793 number $["games"][35]["featureValues"]["allowedSum"] 47.16294182696376 number $["games"][35]["featureValues"]["awayGames"] 0 number $["games"][35]["featureValues"]["awayRest"] 7 number $["games"][35]["featureValues"]["eloDifference"] -67.31078212226976 number $["games"][35]["featureValues"]["homeField"] 1 number $["games"][35]["featureValues"]["homeGames"] 0 number $["games"][35]["featureValues"]["homeRest"] 7 number $["games"][35]["featureValues"]["marginDifference"] -7.605009874681621 number $["games"][35]["featureValues"]["restDifference"] 0 number $["games"][35]["featureValues"]["scoringDifference"] -0.8563332727048305 number $["games"][35]["featureValues"]["scoringSum"] 47.34255744749421 number $["games"][35]["featureValues"]["winRateDifference"] -0.3976633088440285 number $["games"][35]["gameId"] 2026_03_HOU_IND string $["games"][35]["gameType"] REG string $["games"][35]["gameday"] 2026-09-27 string $["games"][35]["homeMarginInterval80"][0] -20.712623073478703 number $["games"][35]["homeMarginInterval80"][1] 15.354603923302072 number $["games"][35]["homeTeam"] IND string $["games"][35]["homeWinProbability"] 0.412443436732176 number $["games"][35]["kickoff"] 2026-09-27T17:00:00Z string $["games"][35]["market"] Unavailable (null) null $["games"][35]["neutral"] false boolean $["games"][35]["totalInterval80"][0] 30.456012403157857 number $["games"][35]["totalInterval80"][1] 63.16963002767942 number $["games"][35]["week"] 3 number $["games"][36]["awayTeam"] KC string $["games"][36]["eloProbability"] 0.5358375382698177 number $["games"][36]["expectedAwayScore"] 20.815149895296756 number $["games"][36]["expectedHomeMargin"] 0.7437279810670301 number $["games"][36]["expectedHomeScore"] 21.558877876363788 number $["games"][36]["expectedTotal"] 42.37402777166054 number $["games"][36]["featureValues"]["allowedDifference"] 4.440124448140583 number $["games"][36]["featureValues"]["allowedSum"] 45.21966738806762 number $["games"][36]["featureValues"]["awayGames"] 0 number $["games"][36]["featureValues"]["awayRest"] 7 number $["games"][36]["featureValues"]["eloDifference"] -30.0547519242607 number $["games"][36]["featureValues"]["homeField"] 1 number $["games"][36]["featureValues"]["homeGames"] 0 number $["games"][36]["featureValues"]["homeRest"] 7 number $["games"][36]["featureValues"]["marginDifference"] -2.4707128987241633 number $["games"][36]["featureValues"]["restDifference"] 0 number $["games"][36]["featureValues"]["scoringDifference"] 1.9694115494164104 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.