Figure 1: 2025-2026 NBA Season Average Four Factor Index (aFFI) Rankings

Calculations based on games played through March 24, 2026

Source: Calculations based on box score data collected from basketball-reference.com. aFFI values are calculated as a weighted average of the average percentiles each team has achieved in the season to date with respect to each of Dean Oliver's "Four Factors of Basketball Success." These factors are effective field goal percentage (EFG%), turnover percentage (TOV%), offensive rebounding percentage (ORB%), and made free throws per field goal attempt (FTM/FGA). Percentiles calculated based on regular season NBA box score data from the start of the 2012-2013 season to present.Created with Datawrapper