PFE vs MRK: Which Stock is Better?
Side-by-side comparison of Pfizer Inc and Merck & Co Inc in 2026
PFE
Pfizer Inc
$27.65
MRK
Merck & Co Inc
$123.82
Key Metrics Comparison
| Metric | PFE | MRK | Winner |
|---|---|---|---|
| Market Cap | $154.08B | $297.99B | MRK |
| P/E Ratio | 19.93 | 16.39 | MRK |
| EPS (TTM) | $1.36 | $7.28 | MRK |
| Revenue Growth | -0.0% | 0.1% | MRK |
| Gross Margin | 75.8% | 77.2% | MRK |
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Frequently Asked Questions
Is PFE or MRK a better investment?
Comparing PFE and MRK: Pfizer Inc has a market cap of $154.08B while Merck & Co Inc has $297.99B. Both companies have their strengths - use our detailed metrics comparison to make an informed decision.
What is the difference between PFE and MRK?
PFE (Pfizer Inc) and MRK (Merck & Co Inc) differ in valuation, growth rates, and profitability metrics. Our comparison shows which company leads in each category.
Which stock has better value: PFE or MRK?
Based on P/E ratios, MRK trades at a lower multiple (16.4x vs 19.9x).
Which is growing faster: PFE or MRK?
MRK has higher revenue growth at 0.1% vs -0.0% for PFE.
Which company is more profitable: PFE or MRK?
Merck & Co Inc (MRK) has higher gross margins at 77.2% compared to 75.8% for PFE.
Which is the larger company: PFE or MRK?
Merck & Co Inc (MRK) is larger with a market cap of $297.99B compared to $154.08B for PFE.
Should I buy PFE or MRK in 2026?
Both PFE and MRK have investment merit. PFE trades at $27.65 while MRK trades at $123.82. Consider your investment goals, risk tolerance, and portfolio diversification before deciding. Our AI analysis tools can provide personalized insights.
What are the key differences between PFE and MRK stock?
Key differences: Market Cap ($154.08B vs $297.99B), P/E Ratio (19.9x vs 16.4x), Revenue Growth (-0.0% vs 0.1%), Gross Margin (75.8% vs 77.2%).