This article will provide some insight: https://insight.factset.com/sp-500-reporting-higher-net-profit-margin-quarter-over-quarter-for-q1 https://insight.factse

This article will provide some insight: https://insight.factset.com/sp-500-reporting-higher-net-profit-margin-quarter-over-quarter-for-q1 https://insight.factset.com/sp-500-reporting-higher-net-prof... In short, yeah, it depends. You need to carefully look at each data source and decide what exactly they mean by "net profit %" for an index.