PE Ratio: 15.98

Basis: Latest stored market observation. 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 15.98 is 10% below its 5-year average of 17.83, around the middle of its 5-year range (7.77–32.50).

As of Sunday, July 26, 2026. 3.30% below its 12-month average of 16.53.

PE Ratio (15.98) = Close Price ($656.01) / Diluted TTM EPS ($41.05)

REGN PE Ratio Metrics

P/E vs. its own history

At 16.0, P/E is cheaper than usual, sitting higher than 21% of its 14-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 Regeneron Pharmaceuticals, Inc. (REGN)?

The P/E ratio for REGN stock is 15.98.

Is Regeneron Pharmaceuticals, Inc.'s P/E ratio high or low?

The P/E ratio of 15.98 is 10% below its 5-year average of 17.83, around the middle of its 5-year range (7.77–32.50).

What is the TTM average P/E ratio for Regeneron Pharmaceuticals, Inc. (REGN)?

The TTM average P/E ratio for REGN stock is 16.53.

What is the 3Y average P/E ratio for Regeneron Pharmaceuticals, Inc. (REGN)?

The 3Y average P/E ratio for REGN stock is 20.69.

What is the 5Y average P/E ratio for Regeneron Pharmaceuticals, Inc. (REGN)?

The 5Y average P/E ratio for REGN stock is 17.80.

What is the 10Y average P/E ratio for Regeneron Pharmaceuticals, Inc. (REGN)?

The 10Y average P/E ratio for REGN stock is 21.02.

What is the 15Y average P/E ratio for Regeneron Pharmaceuticals, Inc. (REGN)?

The 15Y average P/E ratio for REGN stock is 32.34.

Showing the most recent 260 of 3,455 data points. The chart above shows the full history.

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