Hindsight · review build · data not yet validated
108 publications, 1999 to 2026 · 811 predictions
38%
hit rate, 298 of 779 (95% interval 35% to 42%)
Graded by rule against the published actual value (D19). Rates: mean error -0.52 points, mean absolute error 1.62 points (n 593). Levels: mean error -1.5%, mean absolute error 13.2% of actual (n 186).