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

The median, or middle weekly reading, is 20.2× over the last five years. Available history contains 281 weekly observations from Jun 7, 2021 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.

Merck & Co. (MRK) valuation history

Historically high

As of Oct 22, 2026

MRK's P/E of 119.0x is higher than 90% of its available weekly readings from the last five years.

Share P/E history

Shared chart range

Preview embed

Chart by stockresearch.app. Reuse with credit under CC BY 4.0.

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.

MRK year-end valuation history
Reading date	P/E	5-year rank
Dec 29, 2025	14.1×	21%
Dec 30, 2024	20.8×	39%
Dec 25, 2023	60.6×	90%
Dec 26, 2022	18.5×	52%
Dec 27, 2021	27.1×	15%

Peers on the same measure

Stock	P/E	5-year rank
BMYBristol Myers Squibb	13.5×	13%
LLYLilly (Eli)	42.6×	18%
PFEPfizer	39.3×	95%
VTRSViatris	Unavailable	Unranked

Appears in

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 MRK

No published research on MRK yet. Read how valuation percentiles work.

Loading related research…

About this history

What is MRK's current P/E?: MRK's P/E of 119.0x is higher than 90% of its available weekly readings from the last five years.
What is MRK's five-year median P/E?: The median, or middle weekly reading, is 20.2× over the last five years. Available history contains 281 weekly observations from Jun 7, 2021 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.