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
Onyeka Okongwu
CJ McCollum
ATL logo
WAS logo

Onyeka Okongwu + CJ McCollum

Over 100 shared possessions, this pair has added about +0.018 wins after shrinkage. That is 100th percentile on 1,938 shared possessions, which currently reads as a high confidence signal. This sample is sturdy enough to treat as a real rotation signal.

Rank #6|100th percentile|high confidence|1,938 poss
League percentile99.9th
0th (worst)25th50th (median)75th100th (best)
050100
Better than 100% of pairs. Rank #6 in this window, with 1,938 shared possessions and high confidence.
Impact / 100
+0.018
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 +0.019, while the group's expected baseline is +0.010.
Surplus read
It is outperforming the member baseline by +0.009.
Member profiles
Onyeka Okongwu
ATL logo
ATL
+0.004
67th pctl
8,557 posshighOff -0.002 / Def +0.008
CJ McCollum
WAS logo
WAS
+0.034
97th pctl
8,091 posshighOff +0.013 / Def +0.028