Observed arrival · 2026-10-26
LUMA turns NBA possessions into an impact leaderboard
LUMA publishes open NBA player impact ratings and projections, alongside model research and player pages.
○Open
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$Paid
†Ads
✦Pretty
●Pro
◎Niche
◉Human
⚑Risk
ƒJS
- For
- NBA analytics readers and player-impact researchers
- Worth noticing
- The displayed board requires at least 33 possessions and separates actual ARC ratings from predicted LOKI values.
Field notes
The board separates shot value from possession value and includes a possessions count for each listed player. Its linked research section describes ARC as an expected-value-prior Bayesian RAPM model, while the homepage also provides changelog and download links. NBA decompositions are labeled as coming soon rather than presented as an available feature.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use
◉HumanPersonal, local, civic, or handmade
ƒJavaScriptBrowser-side code central
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