Current and historical daily PS Ratio for MRK (
Merck & Co Inc
) from 1990 to Aug 17 2026. The price to sales ratio is calculated by taking the current stock price and dividing it by the trailing twelve-month sales per share. The data is updated every 20 minutes during market hours. The PS ratio is an excellent valuation indicator if you want to compare a stock with its historical valuation or with the stocks in the same industry. The PS ratio works especially well when you want to compare the stock's current valuation with its historical valuation. The PS ratio is a great valuation tool for evaluating cyclical businesses where the PE ratio works poorly. It works the best when comparing the current valuation with the historical valuation because over time, a company's profit margin tends to revert to the mean. Merck & stock (MRK) PS ratio as of Aug 17 2026 is 5.12.
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Merck & Co Inc (MRK) PS Ratio Chart
Merck & Co Inc (MRK) PS Ratio Historical Data
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| Merck & PS Ratio Historical Data | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Date | PS Ratio Data | Date | PS Ratio Data | ||||||
| 2026-08-17 | 5.0 | 5.11 | 5.01 | 5.07 | 2026-06-11 | 4.5 | 4.65 | 4.54 | 4.57 |
| 2026-08-14 | 5.0 | 5.07 | 4.97 | 5.06 | 2026-06-10 | 4.5 | 4.55 | 4.44 | 4.51 |
| 2026-08-13 | 5.0 | 5.06 | 4.96 | 5.05 | 2026-06-09 | 4.5 | 4.56 | 4.47 | 4.53 |
| 2026-08-12 | 4.8 | 5 | 4.8 | 4.95 | 2026-06-08 | 4.6 | 4.64 | 4.5 | 4.53 |
| 2026-08-11 | 4.8 | 4.95 | 4.83 | 4.86 | 2026-06-05 | 4.6 | 4.68 | 4.56 | 4.58 |
| 2026-08-10 | 4.8 | 4.88 | 4.78 | 4.88 | 2026-06-04 | 4.4 | 4.57 | 4.44 | 4.56 |
| 2026-08-07 | 4.8 | 4.8 | 4.72 | 4.79 | 2026-06-03 | 4.4 | 4.44 | 4.34 | 4.34 |
| 2026-08-06 | 4.9 | 4.89 | 4.76 | 4.78 | 2026-06-02 | 4.3 | 4.42 | 4.34 | 4.38 |
| 2026-08-05 | 4.8 | 4.89 | 4.75 | 4.78 | 2026-06-01 | 4.5 | 4.47 | 4.33 | 4.36 |
| 2026-08-04 | 4.8 | 4.84 | 4.7 | 4.77 | 2026-05-29 | 4.5 | 4.57 | 4.48 | 4.5 |
| 2026-08-03 | 4.8 | 4.9 | 4.72 | 4.76 | 2026-05-28 | 4.6 | 4.6 | 4.52 | 4.54 |
| 2026-07-31 | 4.8 | 4.88 | 4.78 | 4.85 | 2026-05-27 | 4.5 | 4.64 | 4.54 | 4.55 |
| 2026-07-30 | 4.8 | 4.85 | 4.74 | 4.84 | 2026-05-26 | 4.7 | 4.66 | 4.52 | 4.53 |
| 2026-07-29 | 4.9 | 4.95 | 4.83 | 4.86 | 2026-05-22 | 4.6 | 4.65 | 4.55 | 4.64 |
| 2026-07-28 | 5.0 | 5.03 | 4.89 | 4.91 | 2026-05-21 | 4.3 | 4.39 | 4.25 | 4.39 |
| 2026-07-27 | 4.9 | 4.94 | 4.86 | 4.87 | 2026-05-20 | 4.3 | 4.35 | 4.28 | 4.28 |
| 2026-07-24 | 4.9 | 4.91 | 4.85 | 4.89 | 2026-05-19 | 4.3 | 4.36 | 4.25 | 4.33 |
| 2026-07-23 | 4.8 | 4.88 | 4.76 | 4.86 | 2026-05-18 | 4.2 | 4.28 | 4.2 | 4.26 |
| 2026-07-22 | 4.8 | 4.8 | 4.72 | 4.75 | 2026-05-15 | 4.3 | 4.32 | 4.2 | 4.22 |
| 2026-07-21 | 4.7 | 4.72 | 4.63 | 4.71 | 2026-05-14 | 4.3 | 4.31 | 4.26 | 4.3 |
| 2026-07-20 | 4.7 | 4.77 | 4.63 | 4.64 | 2026-05-13 | 4.3 | 4.32 | 4.24 | 4.3 |
| 2026-07-17 | 4.8 | 4.91 | 4.73 | 4.75 | 2026-05-12 | 4.2 | 4.31 | 4.22 | 4.26 |
| 2026-07-16 | 4.6 | 4.81 | 4.62 | 4.76 | 2026-05-11 | 4.3 | 4.31 | 4.2 | 4.22 |
| 2026-07-15 | 4.6 | 4.66 | 4.58 | 4.61 | 2026-05-08 | 4.3 | 4.28 | 4.21 | 4.22 |
| 2026-07-14 | 4.6 | 4.61 | 4.48 | 4.5 | 2026-05-07 | 4.3 | 4.31 | 4.21 | 4.25 |
| 2026-07-13 | 4.6 | 4.65 | 4.56 | 4.62 | 2026-05-06 | 4.3 | 4.34 | 4.27 | 4.3 |
| 2026-07-10 | 4.7 | 4.68 | 4.58 | 4.6 | 2026-05-05 | 4.3 | 4.32 | 4.27 | 4.29 |
| 2026-07-09 | 4.7 | 4.77 | 4.64 | 4.66 | 2026-05-04 | 4.2 | 4.34 | 4.2 | 4.28 |
| 2026-07-08 | 4.8 | 4.81 | 4.66 | 4.7 | 2026-05-01 | 4.3 | 4.34 | 4.24 | 4.25 |
| 2026-07-07 | 4.8 | 4.83 | 4.77 | 4.8 | 2026-04-30 | 4.1 | 4.25 | 4.11 | 4.14 |
| 2026-07-06 | 4.8 | 4.85 | 4.68 | 4.73 | 2026-04-29 | 4.1 | 4.21 | 4.09 | 4.2 |
| 2026-07-02 | 4.7 | 4.83 | 4.7 | 4.83 | 2026-04-28 | 4.2 | 4.24 | 4.16 | 4.17 |
| 2026-07-01 | 4.8 | 4.79 | 4.65 | 4.67 | 2026-04-27 | 4.2 | 4.27 | 4.17 | 4.18 |
| 2026-06-30 | 4.8 | 4.86 | 4.72 | 4.79 | 2026-04-24 | 4.3 | 4.32 | 4.22 | 4.24 |
| 2026-06-29 | 4.8 | 4.84 | 4.72 | 4.82 | 2026-04-23 | 4.3 | 4.36 | 4.28 | 4.34 |
| 2026-06-26 | 4.8 | 4.88 | 4.77 | 4.87 | 2026-04-22 | 4.3 | 4.3 | 4.23 | 4.28 |
| 2026-06-25 | 4.6 | 4.77 | 4.58 | 4.75 | 2026-04-21 | 4.4 | 4.41 | 4.24 | 4.26 |
| 2026-06-24 | 4.6 | 4.61 | 4.53 | 4.57 | 2026-04-20 | 4.5 | 4.52 | 4.42 | 4.44 |
| 2026-06-23 | 4.4 | 4.54 | 4.41 | 4.53 | 2026-04-17 | 4.4 | 4.52 | 4.38 | 4.51 |
| 2026-06-22 | 4.3 | 4.38 | 4.28 | 4.37 | 2026-04-16 | 4.4 | 4.46 | 4.35 | 4.37 |
| 2026-06-18 | 4.3 | 4.35 | 4.23 | 4.31 | 2026-04-15 | 4.5 | 4.55 | 4.42 | 4.47 |
| 2026-06-17 | 4.3 | 4.39 | 4.32 | 4.37 | 2026-04-14 | 4.5 | 4.56 | 4.48 | 4.54 |
| 2026-06-16 | 4.4 | 4.39 | 4.3 | 4.36 | 2026-04-13 | 4.6 | 4.59 | 4.51 | 4.55 |
| 2026-06-15 | 4.5 | 4.51 | 4.35 | 4.35 | 2026-04-10 | 4.7 | 4.66 | 4.58 | 4.6 |
| 2026-06-12 | 4.6 | 4.62 | 4.5 | 4.51 | 2026-04-09 | 4.7 | 4.7 | 4.6 | 4.65 |
Merck & Co Inc (MRK) PS Ratio Comparison
| Company | Market Cap(Mil) | PS Ratio |
|---|
Business Description
Business Description
Merck & Co Inc
NAICS : 325412
SIC : 2834
ISIN : US58933Y1055
Total Employee Number:
75,000Compare
Compare
Traded in other countries / regions
MRK.USA0QAH.UKMRK.CanadaMRK.MexicoMRK.ArgentinaMRCK34.Brazil6MK.GermanyMRK.AustriaMRK.Peru1MRKX.ItalyMRK.Chile6MK.BulgariaMRK.SwitzerlandMRK.Ukraine Index Membership
Dow 30S&P 500Russell 1000Russell 3000MSCI World Index IPO Date
1949-04-20Description
Merck makes pharmaceutical products to treat several conditions in a number of therapeutic areas, including cardiometabolic disease, cancer, and infections. In cancer, the firm's immuno-oncology platform, led by Keytruda, is a major contributor to overall sales. The company also has a substantial vaccine business aimed at preventing pediatric diseases, as well as Gardasil for human papillomavirus. Additionally, Merck sells animal health-related drugs. From a geographical perspective, 53% of the company's 2025 sales were generated from US human health (pharmaceuticals and vaccines).
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