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
Isaiah Hartenstein
Chet Holmgren
OKC logo

Isaiah Hartenstein + Chet Holmgren

Over 100 shared possessions, this pair has added about +0.028 wins after shrinkage. That is 100th percentile on 2,508 shared possessions, which currently reads as a high confidence signal. This sample is sturdy enough to treat as a real rotation signal.

Rank #2|100th percentile|high confidence|2,508 poss
League percentile100.0th
0th (worst)25th50th (median)75th100th (best)
050100
Better than 100% of pairs. Rank #2 in this window, with 2,508 shared possessions and high confidence.
Impact / 100
+0.028
Surplus
+0.000
Grade
100%
high confidence · grade A+
Context
This sample is sturdy enough to treat as a real rotation signal.
The member average is +0.056, while the group's expected baseline is +0.028.
Surplus read
The group is performing close to what you would expect from the members involved.
Member profiles
Isaiah Hartenstein
OKC logo
OKC
+0.032
92th pctl
3,915 posshighOff +0.027 / Def +0.013
Chet Holmgren
OKC logo
OKC
+0.080
100th pctl
7,447 posshighOff +0.007 / Def +0.097