The NBA Cup plays like the regular season — but less so, recently

Brier Scores for accuracy of pregame forecasts in NBA Cup and all other regular season games since the 2023-24 NBA season, based on whether the prediction uses regular-season or playoff Elo ratings

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"Improvements" in accuracy reflect a lower Brier Score (i.e., less prediction error).

Chart: Neil PaineSource: Basketball-ReferenceGet the dataCreated with Datawrapper