Merck & Co., Inc.
MRKNYSEHealthcare● Active
$120.79
+$0.53(+0.44%)
Market Cap$298.3B
P/E Ratio—
52W High$125.14
52W Low$76.66
Merck & Co., Inc. (MRK) Stock Price History
Key milestones, OHLCV table, annual returns, peers & What If.
mrk · EOD price history · split-adj. · FMP · as of Jun 5, 2026
5-Year High5Y
$134.63
Jun 25, 2024
-10.3% from here
5-Year Low5Y
$70.89
Sep 17, 2021
+70.4% from low
IPO Priceadj.
$1.45
Jan 13, 1978
+8.2K% since IPO
1 Year Ago
$79.33
Jun 9, 2025
+52.3% in 1Y
5 Years Ago
$72.40
Jun 8, 2021
+66.8% in 5Y
10 Years Ago
$54.94
Jun 8, 2016
+119.9% in 10Y
Historical Price Data · MRK
| Date↓ | Open↕ | High↕ | Low↕ | Close↕ | Close (Unadj.) ⓘ | Volume↕ | Change %↕ |
|---|---|---|---|---|---|---|---|
| Jun 5, 2026 | $120.94 | $123.46 | $120.36 | $120.79 | $120.79 | 14.4M | -0.12% |
| Jun 4, 2026 | $117.16 | $120.55 | $117.09 | $120.26 | $120.26 | 15.9M | +2.65% |
| Jun 3, 2026 | $115.45 | $117.33 | $114.70 | $114.70 | $114.70 | 8.2M | -0.65% |
| Jun 2, 2026 | $114.50 | $116.78 | $114.50 | $115.65 | $115.65 | 8.3M | +1.00% |
| Jun 1, 2026 | $117.55 | $117.96 | $114.36 | $115.17 | $115.17 | 9.4M | -2.02% |
| May 29, 2026 | $119.65 | $120.67 | $118.19 | $118.72 | $118.72 | 16.6M | -0.78% |
| May 28, 2026 | $120.26 | $121.50 | $119.36 | $119.89 | $119.89 | 9.3M | -0.31% |
| May 27, 2026 | $119.82 | $122.40 | $119.78 | $120.24 | $120.24 | 7.2M | +0.35% |
| May 26, 2026 | $122.90 | $123.13 | $119.41 | $119.72 | $119.72 | 10.0M | -2.59% |
| May 22, 2026 | $120.55 | $122.66 | $120.08 | $122.41 | $122.41 | 14.8M | +1.54% |
| May 21, 2026 | $112.79 | $115.98 | $112.09 | $115.88 | $115.88 | 7.4M | +2.74% |
| May 20, 2026 | $114.63 | $114.95 | $112.90 | $113.00 | $113.00 | 9.1M | -1.42% |
| May 19, 2026 | $112.56 | $115.10 | $112.13 | $114.24 | $114.24 | 7.6M | +1.49% |
| May 18, 2026 | $111.43 | $112.89 | $110.97 | $112.56 | $112.56 | 8.0M | +1.01% |
| May 15, 2026 | $113.90 | $113.93 | $110.94 | $111.38 | $111.38 | 10.0M | -2.21% |
| May 14, 2026 | $113.63 | $113.90 | $112.57 | $113.41 | $113.41 | 5.3M | -0.19% |
| May 13, 2026 | $112.25 | $114.07 | $112.04 | $113.45 | $113.45 | 8.1M | +1.07% |
| May 12, 2026 | $111.50 | $113.69 | $111.39 | $112.37 | $112.37 | 9.1M | +0.78% |
| May 11, 2026 | $112.15 | $113.68 | $111.01 | $111.28 | $111.28 | 7.8M | -0.78% |
| May 8, 2026 | $112.38 | $113.01 | $111.18 | $111.38 | $111.38 | 5.7M | -0.89% |
Showing 1–20 of 1,254 records
Annual Stock Price Performance · MRK
Jan 1 → Dec 31 · 6 years2026+14.5%$105.53 → $120.79
+14.5%
2025+5.0%$100.28 → $105.26
+5.0%
2024-8.9%$109.16 → $99.48
-8.9%
2023-1.3%$110.41 → $109.02
-1.3%
2022+44.9%$76.58 → $110.95
+44.9%
2021+5.0%$73.00 → $76.64
+5.0%
Best Year2022 · +44.9%
Worst Year2024 · -8.9%
Positive Years4 / 6
Avg Annual Return+9.9%
6Y Total Return+65.5%
6Y CAGR~+8.8% / yr
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Mkt Cap $175.7BWhat If You Invested in MRK?
If you invested $1,000 in MRK 10 years ago — how much would it be worth today?
INVESTED$1,000
→TODAY WORTH$2,199
Total Return+119.9%
CAGR~+8.2% / yr
Profit+$1,199
Based on Jun 8, 2016 · $54.94Split & dividend adjustedNo fees assumed
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About Price History & OHLCV Data
Merck & Co., Inc. (MRK) is classified under Healthcare and trades on NYSE. The quote snapshot on this page shows a last price of $120.79. Use the chart and OHLCV table below for open, high, low, close and volume over time.
Annual performance bars, similar companies in the same sector, and the What If calculator help you explore long-horizon returns without leaving this tab. Figures use split-adjusted end-of-day prices where noted; this content is informational, not investment advice.
Data: FMP EOD · split-adjusted where noted · not investment advice
Frequently Asked Questions
MRK price history · 5 questionsEnd-of-day prices are sourced from market data providers (Financial Modeling Prep). Corporate actions such as splits may be reflected in adjusted series; always verify critical values with your broker or official filings.
MRK historical stock pricesFMP EOD datasplit-adjusted OHLCV