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Quest Diagnostics (DGX) Operating Margin: 2009-2025

Historic Operating Margin for Quest Diagnostics (DGX) over the last 17 years, with Sep 2025 value amounting to 13.71%.

  • Quest Diagnostics' Operating Margin rose 44.00% to 13.71% in Q3 2025 from the same period last year, while for Sep 2025 it was 14.11%, marking a year-over-year increase of 99.00%. This contributed to the annual value of 13.63% for FY2024, which is 1.00% down from last year.
  • As of Q3 2025, Quest Diagnostics' Operating Margin stood at 13.71%, which was down 13.59% from 15.86% recorded in Q2 2025.
  • In the past 5 years, Quest Diagnostics' Operating Margin registered a high of 24.26% during Q1 2021, and its lowest value of 5.79% during Q4 2022.
  • Moreover, its 3-year median value for Operating Margin was 13.71% (2025), whereas its average is 13.79%.
  • As far as peak fluctuations go, Quest Diagnostics' Operating Margin spiked by 1,466bps in 2021, and later plummeted by 1,375bps in 2022.
  • Quest Diagnostics' Operating Margin (Quarterly) stood at 19.53% in 2021, then plummeted by 1,375bps to 5.79% in 2022, then skyrocketed by 588bps to 11.67% in 2023, then surged by 210bps to 13.77% in 2024, then skyrocketed by 44bps to 13.71% in 2025.
  • Its last three reported values are 13.71% in Q3 2025, 15.86% for Q2 2025, and 13.05% during Q1 2025.