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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 · 7651–7700 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"][164]["gameday"] 2026-11-26 string $["games"][164]["homeMarginInterval80"][0] -15.231858311442496 number $["games"][164]["homeMarginInterval80"][1] 20.83536868533828 number $["games"][164]["homeTeam"] DET string $["games"][164]["homeWinProbability"] 0.595773203245531 number $["games"][164]["kickoff"] 2026-11-26T18:00:00Z string $["games"][164]["market"] Unavailable (null) null $["games"][164]["neutral"] false boolean $["games"][164]["totalInterval80"][0] 30.790298015472004 number $["games"][164]["totalInterval80"][1] 63.503915639993565 number $["games"][164]["week"] 12 number $["games"][165]["awayTeam"] PHI string $["games"][165]["eloProbability"] 0.4793816131667354 number $["games"][165]["expectedAwayScore"] 23.700214558123225 number $["games"][165]["expectedHomeMargin"] -1.242376589687744 number $["games"][165]["expectedHomeScore"] 22.45783796843548 number $["games"][165]["expectedTotal"] 46.158052526558706 number $["games"][165]["featureValues"]["allowedDifference"] 8.073873868695198 number $["games"][165]["featureValues"]["allowedSum"] 47.36490170384151 number $["games"][165]["featureValues"]["awayGames"] 0 number $["games"][165]["featureValues"]["awayRest"] 4 number $["games"][165]["featureValues"]["eloDifference"] -69.33525185420854 number $["games"][165]["featureValues"]["homeField"] 1 number $["games"][165]["featureValues"]["homeGames"] 0 number $["games"][165]["featureValues"]["homeRest"] 4 number $["games"][165]["featureValues"]["marginDifference"] -5.189765290304434 number $["games"][165]["featureValues"]["restDifference"] 0 number $["games"][165]["featureValues"]["scoringDifference"] 2.8841085783907623 number $["games"][165]["featureValues"]["scoringSum"] 44.74847349538233 number $["games"][165]["featureValues"]["winRateDifference"] -0.049518464349957325 number $["games"][165]["gameId"] 2026_12_PHI_DAL string $["games"][165]["gameType"] REG string $["games"][165]["gameday"] 2026-11-26 string $["games"][165]["homeMarginInterval80"][0] -19.27599008807813 number $["games"][165]["homeMarginInterval80"][1] 16.791236908702643 number $["games"][165]["homeTeam"] DAL string $["games"][165]["homeWinProbability"] 0.4527249580921902 number $["games"][165]["kickoff"] 2026-11-26T21:30:00Z string $["games"][165]["market"] Unavailable (null) null $["games"][165]["neutral"] false boolean $["games"][165]["totalInterval80"][0] 29.801243714297925 number $["games"][165]["totalInterval80"][1] 62.514861338819486 number $["games"][165]["week"] 12 number $["games"][166]["awayTeam"] KC string $["games"][166]["eloProbability"] 0.6518193357682781 number $["games"][166]["expectedAwayScore"] 19.008623840103944 number $["games"][166]["expectedHomeMargin"] 6.841453672680355 number $["games"][166]["expectedHomeScore"] 25.850077512784303 number $["games"][166]["expectedTotal"] 44.85870135288825 number $["games"][166]["featureValues"]["allowedDifference"] 1.968009309454953 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.