Regeneron Pharmaceuticals Inc PEG Ratio
Data as of August 04, 2026
PEG Ratio
0.86
PE Ratio (TTM)
17.67
EPS (TTM)
$41.03
Sector
Biotechnology
How It's Calculated
0.86 = 17.67 ÷ Growth Rate
What This Means
Regeneron Pharmaceuticals Inc's PEG ratio of 0.86 is below 1, suggesting the stock may be undervalued relative to its earnings growth rate. A PEG below 1 often signals a buying opportunity.
About Regeneron Pharmaceuticals Inc
Regeneron Pharmaceuticals Inc (REGN) operates in the Biotechnology sector, specifically in Biotechnology. With a market capitalization of about $79.94B, it ranks as a large-cap stock — a major established company.
Shares recently traded near $759.24, within a 52-week range of $541.00 to $821.11 (-7.5% from the high, +40.3% from the low). Beta of 0.19 indicates relatively lower volatility versus the market.
Trailing profit margin is about 29.6%, signaling a strong profit margin relative to many peers.
Understanding This Metric
The PEG ratio adjusts the PE multiple for expected earnings growth, helping compare fast-growing and slow-growing names on a more equal footing. For Regeneron Pharmaceuticals Inc, a PEG near 1 is often described as fairly valued relative to growth, though the growth estimate itself can change quickly with guidance revisions.
Sector Comparison
Among Biotechnology names on our S&P 100 coverage, Regeneron Pharmaceuticals Inc's PEG ratio of 0.86 can be compared with peers such as AMGN (3.43), GILD (3.59). Sector context helps interpretation, but each company's growth profile and balance sheet differ — use multiple metrics before drawing conclusions. View all Biotechnology stocks.
Key Takeaways
- REGN is grouped in the Biotechnology sector for peer comparisons.
- Recent beta of 0.19 suggests lower-than-market price sensitivity.
- Trailing profit margin of 29.6% provides context for how much earnings support the headline multiple.
Related Tools & Guides
Explore calculators and guides connected to this metric, or view all metrics for REGN.
Learn the full workflow
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Frequently Asked Questions
What is REGN's PEG ratio?
PEG adjusts PE for expected earnings growth: PEG ≈ PE ÷ earnings growth rate. Regeneron Pharmaceuticals Inc's PEG of 0.86 is a shorthand for growth-at-a-reasonable-price comparisons.
Does PEG suggest growth at a reasonable price?
PEG below 1.0 (0.86) is often described as inexpensive relative to growth expectations — verify the growth input is realistic.
What are limitations of PEG for REGN?
PEG depends on a single growth estimate, ignores balance sheet risk, and can mislead when earnings are volatile. Use it with PE, margins, and Biotechnology peers — not as a standalone verdict.
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