Closing 5 · NBA Lineup Stats, RAPM & Advanced Analytics

Closing 5 offers a remarkably detailed look at NBA lineup dynamics, particularly with their self-computed IPM metric. The fact that they reconstruct play-by-play data themselves allows for a unique perspective on player impact, such as the on-off swings for specific five-man units. It is encouraging to see that nine seasons of data are available and that the methodology is published, which builds trust in the numbers. The ability to compare teams and see clutch performance adds another layer of utility. However, the site seems to push users toward launching an app, and it would be helpful to know exactly what features are accessible directly on the web versus those locked behind the app interface. Despite this minor ambiguity, the depth of information provided, from shot charts to play types, makes it a valuable tool for anyone serious about advanced basketball analytics.

Love how easy it is to find specific lineup stats and see the methodology behind the metrics for free.

Having all this lineup data and reconstructed play-by-play available for free is quite convenient. The instant access to metrics like IPM without needing to dig through multiple sources saves a significant amount of time during research.

From the information available, Closing 5 presents a comprehensive suite of NBA lineup statistics and advanced metrics. The platform reconstructs play-by-play data to provide nine seasons of historical context, which offers a solid foundation for analysis. The inclusion of their own IPM metric, computed from these reconstructed possessions, adds a layer of detail that seems useful for understanding player impact beyond standard box scores. The methodology is clearly explained, noting how the metric is fit to shrink player values toward a box-score prior. This transparency is helpful for anyone looking to understand the underlying math. The interface allows browsing of lineups, players, and leaders, making it easy to find specific data points like net ratings or clutch performance. While the data appears robust, the reliance on self-computed play-by-play means users should verify how this aligns with their own analytical frameworks. Overall, it serves as a reliable resource for those interested in deep-dive NBA analytics without requiring immediate access to premium services.