alleygorithm
player impact + groups
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alleygorithm
player impact and winning groups

NBA analytics grounded in win probability, player impact, and the groups that have actually driven winning.

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WPA-powered analytics from play-by-play data
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Pair•Current season•Through 2026-03-19
Shai Gilgeous-Alexander
Jalen Williams
OKC logo

Shai Gilgeous-Alexander + Jalen Williams

Over 100 shared possessions, this pair has added about +0.023 wins after shrinkage. That is 100th percentile on 1,908 shared possessions, which currently reads as a high confidence signal. This sample is sturdy enough to treat as a real rotation signal.

Rank #14|100th percentile|high confidence|1,908 poss
League percentile99.7th
0th (worst)25th50th (median)75th100th (best)
050100
Better than 100% of pairs. Rank #14 in this window, with 1,908 shared possessions and high confidence.
Impact / 100
+0.023
Surplus
-0.009
Grade
100%
high confidence · grade A+
Context
This sample is sturdy enough to treat as a real rotation signal.
The member average is +0.065, while the group's expected baseline is +0.033.
Surplus read
It is trailing the member baseline by -0.009.
Member profiles
Shai Gilgeous-Alexander
OKC logo
OKC
+0.098
100th pctl
8,421 posshighOff +0.039 / Def +0.088
Jalen Williams
OKC logo
OKC
+0.032
92th pctl
3,266 posshighOff +0.003 / Def +0.038