FactSet reported that the Q3’26 blended net profit margin for the S&P 500 Index (“Index”) stood at 14.9% as of November 6, 2026 (88% of companies reporting), up from 13.0% a year ago and above the 5-year average of 12.6%. Should this hold, it would mark the Index’s second-highest net profit margin in FactSet data going back to 2009, behind last quarter’s record of 17.0%.