What is DGX's five-year median P/E?

The median, or middle weekly reading, is 20.1× over the last five years. Available history contains 533 weekly observations from Aug 8, 2016 to Oct 19, 2026.

Does a low historical rank mean a stock is a buy?

No. The rank describes a stock’s own history. Changes in growth, financial risk and the business can change the multiple investors pay. P/E uses earnings and P/S uses revenue from the previous twelve months.

Quest Diagnostics (DGX) P/E ratio history

Historically high

As of Oct 22, 2026

DGX's P/E of 25.4x is higher than 99% of its available weekly readings from the last five years.

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P/E at year-end

Last weekly reading of each completed year. Rank runs from lowest (0%) to highest (100%) within the five years available on that date.

DGX year-end valuation history
Reading date	P/E	5-year rank
Dec 29, 2025	20.4×	72%
Dec 30, 2024	20.4×	85%
Dec 25, 2023	20.6×	93%
Dec 26, 2022	15.4×	48%
Dec 27, 2021	10.4×	13%
Dec 28, 2020	14.7×	10%
Dec 30, 2019	19.7×	62%
Dec 31, 2018	13.4×	2%
Dec 25, 2017	20.7×	54%
Dec 26, 2016	19.5×	Short history

Peers on the same measure

Stock	P/E	5-year rank
CICigna	12.6×	31%
CVSCVS Health	24.6×	71%
DVADaVita	14.6×	50%
LHLabcorp	26.8×	59%

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Health Care Stocks with Low P/E Ratios and Steady Revenue Growth Stocks Below Their 5-Year Median P/E Stocks Near Their Lowest P/E Ratios in 5 Years

Research on DGX

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About this history

What is DGX's current P/E?: DGX's P/E of 25.4x is higher than 99% of its available weekly readings from the last five years.
What is DGX's five-year median P/E?: The median, or middle weekly reading, is 20.1× over the last five years. Available history contains 533 weekly observations from Aug 8, 2016 to Oct 19, 2026.
Does a low historical rank mean a stock is a buy?: No. The rank describes a stock’s own history. Changes in growth, financial risk and the business can change the multiple investors pay. P/E uses earnings and P/S uses revenue from the previous twelve months.