LUMA
NBAWNBA

Methodology

How each metric is built

Every metric has its own page. Each page states the formula, the qualification rule, the known failure mode and the measured reliability.

ARCThe headline rating. Impact and box production, blended.P-ARCARC modified for the low sample variance of the postseason.ImpactRegularized adjusted plus-minus, estimated from lineup stints.Box+Box-score production, weighted by possession value.ValueRate multiplied by possessions. A total, not a rate.Minutes-adjusted ARCA rating pulled toward the pool average in proportion to minutes.MoversMovement between the regular season and the playoffs.Peak-NThe best N postseasons of a career, in any order.