Side-by-Side Comparison

PFE vs MRK

Big pharma. Compare price, valuation, growth, profitability, and balance-sheet quality — all in one view.

PFE wins 7·MRK wins 5·Updated daily
PFE
Pfizer, Inc.
Healthcare
$24.29
+261.93%
MRK
Merck & Company, Inc.
Healthcare
$128.66
+255.88%
Metric
PFE
MRK
Price
Last traded price
$24.29
$128.66
Day Change
Latest session move
+261.93%
+255.88%
Market Cap
Total equity value
$138.44B
$317.77B
P/E (TTM)
Trailing earnings multiple
18.5
36.2
Forward P/E
Forward earnings multiple
8.6
13.5
P/S
Price-to-sales ratio
2.19
4.83
EV/EBITDA
Enterprise value to EBITDA
7.5
12.2
Revenue (TTM)
Trailing twelve-month revenue
$63.32B
$65.77B
Revenue Growth
Year-over-year revenue growth
540.0%
490.0%
Profit Margin
Net income as % of revenue
1183.1%
1358.6%
Operating Margin
Operating income as % of revenue
3161.7%
3860.4%
Return on Equity
Net income as % of equity
831.0%
1894.4%
Debt / Equity
Total debt vs equity
71.6
106.94
Free Cash Flow
Trailing FCF
$12.38B
$14.05B
Dividend Yield
Annualized yield
100.00%
100.00%
Beta
Volatility vs market
0.3
0.22
52W High
12-month high
$28.75
$128.78
52W Low
12-month low
$23.11
$76.66

Highlighted values indicate the better reading for that metric, where direction is unambiguous. Lower is generally better for valuation multiples and leverage; higher is better for growth, margin, and cash-flow metrics. Educational data only, not investment advice.

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PFE vs MRK — common questions

Is PFE or MRK the better stock?

Across the valuation, growth, and profitability metrics compared on this page, PFE shows the stronger reading on more of them (7 vs 5). A metric tally is not a recommendation — the right pick depends on your time horizon and risk tolerance.

Which is bigger, PFE or MRK?

MRK has the larger market capitalization — PFE is about $138.44B versus $317.77B for MRK.

Which grows faster, PFE or MRK?

PFE shows the faster year-over-year revenue growth — PFE at 5.4% versus 4.9% for MRK.

Is PFE or MRK cheaper?

On forward price-to-earnings, PFE trades at the lower multiple — PFE at 8.6x versus 13.5x for MRK.

What is the difference between PFE and MRK?

Pfizer, Inc. operates in the Healthcare sector, while Merck & Company, Inc. operates in the Healthcare sector. This page compares the two across price, valuation multiples, growth, margins, and balance-sheet quality.

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