Pfizer Inc PEG Ratio
Data as of August 04, 2026
PEG Ratio
-2.72
PE Ratio (TTM)
19.03
EPS (TTM)
$1.31
Sector
Pharmaceuticals
How It's Calculated
-2.72 = 19.03 ÷ Growth Rate
What This Means
Pfizer Inc has a negative PEG ratio of -2.72, which typically means the company has negative earnings or a negative growth rate. PEG is not meaningful in this scenario.
About Pfizer Inc
Pfizer Inc (PFE) operates in the Pharmaceuticals sector, specifically in Pharmaceuticals. With a market capitalization of about $142.54B, it ranks as a large-cap stock — a major established company.
Shares recently traded near $25.03, within a 52-week range of $23.11 to $28.75 (-12.9% from the high, +8.3% from the low). Beta of 0.28 indicates relatively lower volatility versus the market.
Trailing profit margin is about 11.8%, signaling a solid profit margin for its industry.
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 Pfizer 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 Pharmaceuticals names on our S&P 100 coverage, Pfizer Inc's PEG ratio of -2.72 can be compared with peers such as LLY (1.03), JNJ (2.37), MRK (2.73). Sector context helps interpretation, but each company's growth profile and balance sheet differ — use multiple metrics before drawing conclusions. View all Pharmaceuticals stocks.
Key Takeaways
- PFE is grouped in the Pharmaceuticals sector for peer comparisons.
- Recent beta of 0.28 suggests lower-than-market price sensitivity.
- Trailing profit margin of 11.8% 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 PFE.
Learn the full workflow
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Frequently Asked Questions
What is PFE's PEG ratio?
PEG adjusts PE for expected earnings growth: PEG ≈ PE ÷ earnings growth rate. Pfizer Inc's PEG of -2.72 is a shorthand for growth-at-a-reasonable-price comparisons.
Does PEG suggest growth at a reasonable price?
PEG below 1.0 (-2.72) is often described as inexpensive relative to growth expectations — verify the growth input is realistic.
What are limitations of PEG for PFE?
PEG depends on a single growth estimate, ignores balance sheet risk, and can mislead when earnings are volatile. Use it with PE, margins, and Pharmaceuticals peers — not as a standalone verdict.
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