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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 · 11401–11450 shown. Every field remains available in the full download. Filters are saved in this page’s address.
Recorded data points Field path Value & type $["player"]["next_season_ppr_points"]["summaries"]["prior_production"]["perSeason"]["2025"]["interval_count"] 419 number $["player"]["next_season_ppr_points"]["summaries"]["prior_production"]["perSeason"]["2025"]["mae"] 48.674163506688515 number $["player"]["next_season_ppr_points"]["summaries"]["prior_production"]["perSeason"]["2025"]["mean_interval_width"] 168.43697923264978 number $["player"]["next_season_ppr_points"]["summaries"]["prior_production"]["perSeason"]["2025"]["spearman"] 0.6724034268822322 number $["player"]["next_season_ppr_ppg"]["comparisons"]["original_age_plus_production"]["candidate_minus_baseline_mae"] 0.004345171735496371 number $["player"]["next_season_ppr_ppg"]["comparisons"]["original_age_plus_production"]["negative_favors_candidate"] true boolean $["player"]["next_season_ppr_ppg"]["comparisons"]["original_age_plus_production"]["percentile_95_interval"][0] -0.0055457511757369595 number $["player"]["next_season_ppr_ppg"]["comparisons"]["original_age_plus_production"]["percentile_95_interval"][1] 0.014290665908990396 number $["player"]["next_season_ppr_ppg"]["comparisons"]["original_age_plus_production"]["player_blocks"] 1002 number $["player"]["next_season_ppr_ppg"]["comparisons"]["original_age_plus_production"]["replicates"] 500 number $["player"]["next_season_ppr_ppg"]["comparisons"]["original_football"]["candidate_minus_baseline_mae"] -0.013196611381594468 number $["player"]["next_season_ppr_ppg"]["comparisons"]["original_football"]["negative_favors_candidate"] true boolean $["player"]["next_season_ppr_ppg"]["comparisons"]["original_football"]["percentile_95_interval"][0] -0.0632954497084091 number $["player"]["next_season_ppr_ppg"]["comparisons"]["original_football"]["percentile_95_interval"][1] 0.029397717407052684 number $["player"]["next_season_ppr_ppg"]["comparisons"]["original_football"]["player_blocks"] 1002 number $["player"]["next_season_ppr_ppg"]["comparisons"]["original_football"]["replicates"] 500 number $["player"]["next_season_ppr_ppg"]["comparisons"]["prior_production"]["candidate_minus_baseline_mae"] -0.1330454126071159 number $["player"]["next_season_ppr_ppg"]["comparisons"]["prior_production"]["negative_favors_candidate"] true boolean $["player"]["next_season_ppr_ppg"]["comparisons"]["prior_production"]["percentile_95_interval"][0] -0.17240548701118014 number $["player"]["next_season_ppr_ppg"]["comparisons"]["prior_production"]["percentile_95_interval"][1] -0.09393572162701334 number $["player"]["next_season_ppr_ppg"]["comparisons"]["prior_production"]["player_blocks"] 1002 number $["player"]["next_season_ppr_ppg"]["comparisons"]["prior_production"]["replicates"] 500 number $["player"]["next_season_ppr_ppg"]["summaries"]["nested_ridge"]["overall"]["count"] 3009 number $["player"]["next_season_ppr_ppg"]["summaries"]["nested_ridge"]["overall"]["coverage"] 0.8321785989222479 number $["player"]["next_season_ppr_ppg"]["summaries"]["nested_ridge"]["overall"]["interval_count"] 2598 number $["player"]["next_season_ppr_ppg"]["summaries"]["nested_ridge"]["overall"]["mae"] 3.1026931451151216 number $["player"]["next_season_ppr_ppg"]["summaries"]["nested_ridge"]["overall"]["mean_interval_width"] 10.598556045779798 number $["player"]["next_season_ppr_ppg"]["summaries"]["nested_ridge"]["overall"]["spearman"] 0.6855349536408595 number $["player"]["next_season_ppr_ppg"]["summaries"]["nested_ridge"]["perPosition"]["QB"]["count"] 445 number $["player"]["next_season_ppr_ppg"]["summaries"]["nested_ridge"]["perPosition"]["QB"]["coverage"] 0.8170103092783505 number $["player"]["next_season_ppr_ppg"]["summaries"]["nested_ridge"]["perPosition"]["QB"]["interval_count"] 388 number $["player"]["next_season_ppr_ppg"]["summaries"]["nested_ridge"]["perPosition"]["QB"]["mae"] 4.571900060125816 number $["player"]["next_season_ppr_ppg"]["summaries"]["nested_ridge"]["perPosition"]["QB"]["mean_interval_width"] 15.080721891079952 number $["player"]["next_season_ppr_ppg"]["summaries"]["nested_ridge"]["perPosition"]["QB"]["spearman"] 0.6587493260022503 number $["player"]["next_season_ppr_ppg"]["summaries"]["nested_ridge"]["perPosition"]["RB"]["count"] 838 number $["player"]["next_season_ppr_ppg"]["summaries"]["nested_ridge"]["perPosition"]["RB"]["coverage"] 0.8278236914600551 number $["player"]["next_season_ppr_ppg"]["summaries"]["nested_ridge"]["perPosition"]["RB"]["interval_count"] 726 number $["player"]["next_season_ppr_ppg"]["summaries"]["nested_ridge"]["perPosition"]["RB"]["mae"] 3.169423088845686 number $["player"]["next_season_ppr_ppg"]["summaries"]["nested_ridge"]["perPosition"]["RB"]["mean_interval_width"] 11.006718472684138 number $["player"]["next_season_ppr_ppg"]["summaries"]["nested_ridge"]["perPosition"]["RB"]["spearman"] 0.6751328523798762 number $["player"]["next_season_ppr_ppg"]["summaries"]["nested_ridge"]["perPosition"]["TE"]["count"] 564 number $["player"]["next_season_ppr_ppg"]["summaries"]["nested_ridge"]["perPosition"]["TE"]["coverage"] 0.8281573498964804 number $["player"]["next_season_ppr_ppg"]["summaries"]["nested_ridge"]["perPosition"]["TE"]["interval_count"] 483 number $["player"]["next_season_ppr_ppg"]["summaries"]["nested_ridge"]["perPosition"]["TE"]["mae"] 2.3063761126792155 number $["player"]["next_season_ppr_ppg"]["summaries"]["nested_ridge"]["perPosition"]["TE"]["mean_interval_width"] 7.728716161094409 number $["player"]["next_season_ppr_ppg"]["summaries"]["nested_ridge"]["perPosition"]["TE"]["spearman"] 0.6392233814943868 number $["player"]["next_season_ppr_ppg"]["summaries"]["nested_ridge"]["perPosition"]["WR"]["count"] 1162 number $["player"]["next_season_ppr_ppg"]["summaries"]["nested_ridge"]["perPosition"]["WR"]["coverage"] 0.8431568431568431 number $["player"]["next_season_ppr_ppg"]["summaries"]["nested_ridge"]["perPosition"]["WR"]["interval_count"] 1001 number $["player"]["next_season_ppr_ppg"]["summaries"]["nested_ridge"]["perPosition"]["WR"]["mae"] 2.878429837256153 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.