PE Ratio: 115.86

Basis: FMP quote price / unrounded diluted EPS from four consecutive issuer fiscal quarters. Source: stored company filings and market data; unavailable inputs remain N/A.

Is the P/E ratio high or low?

The P/E ratio of 115.86 is 437% above its 5-year average of 21.56, near the low end of its 5-year range (10.69–942.50).

As of 2026-09-10T17:15:21.000Z. 477.16% above its 12-month average of 20.07.

PE Ratio (115.86) = Close Price ($144.83) / Diluted TTM EPS ($1.25)

MRK PE Ratio Metrics

P/E vs. its own history

At 115.9, P/E is above its 20-year median — higher than 96% of readings in its 20-year history.

P/E Comparison

PE Ratio Formula & Definition

PE Ratio = Share Price / Diluted EPS (TTM)

The price-to-earnings ratio measures how much investors pay for each dollar of trailing earnings. A lower PE can indicate a cheaper valuation; a higher PE implies higher growth expectations.

Expanded definitions: Investopedia, Wikipedia, Corporate Finance Institute

PE Ratio FAQ

What is the P/E ratio for Merck & Co., Inc. (MRK)?

The P/E ratio for MRK stock is 115.86.

Is Merck & Co., Inc.'s P/E ratio high or low?

The P/E ratio of 115.86 is 437% above its 5-year average of 21.56, near the low end of its 5-year range (10.69–942.50).

What is the TTM average P/E ratio for Merck & Co., Inc. (MRK)?

The TTM average P/E ratio for MRK stock is 20.07.

What is the 3Y average P/E ratio for Merck & Co., Inc. (MRK)?

The 3Y average P/E ratio for MRK stock is 40.91.

What is the 5Y average P/E ratio for Merck & Co., Inc. (MRK)?

The 5Y average P/E ratio for MRK stock is 21.56.

What is the 10Y average P/E ratio for Merck & Co., Inc. (MRK)?

The 10Y average P/E ratio for MRK stock is 27.33.

What is the 15Y average P/E ratio for Merck & Co., Inc. (MRK)?

The 15Y average P/E ratio for MRK stock is 25.38.

What is the 20Y average P/E ratio for Merck & Co., Inc. (MRK)?

The 20Y average P/E ratio for MRK stock is 22.64.

Showing the most recent 260 of 5,030 data points. The chart above shows the full history.

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