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145.27
1.34%
-1.97
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Merck Co Inc Stock (MRK) Price History
The historical daily chart and data for Merck Co Inc stock (MRK), adjusted for splits and dividends, show that the latest closing stock price as of October 23, 2026, is $145.27.
- Merck Co Inc all-time high stock price is $156.92, occurred on August 25, 2026.
- The lowest Merck Co Inc stock price recorded was $45.69 on August 24, 2015. Since then, Merck Co Inc's stock price has risen over 217.95% to $145.27 now.
- The 52-week high stock price for MRK is $156.92, representing a 8.02% increase from the current share price, occurred on August 25, 2026.
- The 52-week low stock price for MRK is $82.01, indicating a -43.55% decrease from the current share price, occurred on November 04, 2025.
- The closing price of Merck Co Inc (MRK) stock in the beginning of 2025 was $99.17. The stock closed the year at $105.26, a gain of over 6.14% for the year.
The table below shows more information about MRK historical price data:
Daily
Weekly
Monthly
7D
30D
60D
YTD
1Y
| Date | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Oct 23, 2026 | $145.4 | $143.4 | $2.03 | 8,377,897.0 | -1.34% |
| Oct 22, 2026 | $154.0 | $144.1 | $9.95 | 19,030,262.0 | -1.76% |
| Oct 21, 2026 | $150.0 | $147.1 | $2.89 | 9,008,233.0 | +1.07% |
| Oct 20, 2026 | $149.4 | $146.1 | $3.24 | 9,923,563.0 | +3.25% |
| Oct 19, 2026 | $147.4 | $143.5 | $3.88 | 10,449,088.0 | -1.59% |
| Oct 16, 2026 | $147.8 | $145.6 | $2.18 | 11,233,874.0 | +0.52% |
| Oct 15, 2026 | $152.3 | $144.9 | $7.43 | 13,865,456.0 | -1.48% |
| Oct 14, 2026 | $148.2 | $142.7 | $5.50 | 9,807,791.0 | +3.80% |
| Oct 13, 2026 | $145.9 | $141.6 | $4.35 | 8,379,652.0 | -2.39% |
| Oct 12, 2026 | $146.4 | $144.6 | $1.72 | 8,019,257.0 | -0.10% |
| Oct 09, 2026 | $146.7 | $141.4 | $5.32 | 9,288,746.0 | +2.26% |
| Oct 08, 2026 | $142.8 | $138.9 | $3.88 | 8,411,488.0 | -0.29% |
| Oct 07, 2026 | $144.1 | $141.5 | $2.66 | 6,353,502.0 | +0.60% |
| Oct 06, 2026 | $142.2 | $139.7 | $2.42 | 8,073,204.0 | +1.72% |
| Oct 05, 2026 | $144.1 | $138.8 | $5.26 | 9,485,736.0 | -3.30% |
| Oct 02, 2026 | $144.3 | $142.7 | $1.62 | 9,661,871.0 | +0.34% |
| Oct 01, 2026 | $145.4 | $143.3 | $2.13 | 7,859,759.0 | -1.03% |
| Sep 30, 2026 | $149.3 | $145.3 | $4.01 | 10,230,768.0 | -2.66% |
| Sep 29, 2026 | $150.4 | $146.1 | $4.27 | 7,267,788.0 | +0.40% |
| Sep 28, 2026 | $149.2 | $146.3 | $2.91 | 7,700,986.0 | -0.06% |
| Sep 25, 2026 | $150.0 | $147.5 | $2.50 | 8,292,485.0 | +0.54% |
Merck Co Inc Stock (MRK) Year by Year Price History
In this detailed analysis, we present a comprehensive overview of the price movements of Merck Co Inc stock over the years. By exploring the year-by-year data, investors can gain valuable insights into the historical performance and volatility of MRK shares. From significant milestones and fluctuations to notable trends, this in-depth examination of Merck Co Inc stock price history provides a foundation for understanding how the company's stock has evolved over time.
Merck Co Inc Stock (MRK) Price History 2026
| Month | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Oct, 2026 | $154.0 | $138.8 | $15.22 | 167,229,379.0 | -0.03% |
| Sep, 2026 | $153.6 | $142.3 | $11.25 | 199,809,629.0 | -1.66% |
| Aug, 2026 | $156.9 | $126.2 | $30.70 | 230,663,026.0 | +13.47% |
| Jul, 2026 | $135.1 | $120.2 | $14.89 | 178,928,845.0 | +1.34% |
| Jun, 2026 | $130.3 | $111.6 | $18.72 | 261,693,127.0 | +8.24% |
| May, 2026 | $123.1 | $110.8 | $12.38 | 176,604,105.0 | +8.74% |
| Apr, 2026 | $124.0 | $107.9 | $16.10 | 194,696,719.0 | -9.24% |
| Mar, 2026 | $123.7 | $112.7 | $10.98 | 226,495,744.0 | -2.85% |
| Feb, 2026 | $125.1 | $109.9 | $15.19 | 258,276,520.0 | +12.29% |
| Jan, 2026 | $112.9 | $104.4 | $8.47 | 251,757,620.0 | +4.76% |
Merck Co Inc Stock (MRK) Price History 2025
| Month | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Dec, 2025 | $107.6 | $96.06 | $11.53 | 298,403,882.0 | +1.17% |
| Nov, 2025 | $105.8 | $82.01 | $23.83 | 289,867,839.0 | +21.92% |
| Oct, 2025 | $91.00 | $83.16 | $7.84 | 262,071,593.0 | +2.44% |
| Sep, 2025 | $85.81 | $77.58 | $8.23 | 268,213,929.0 | -0.23% |
| Aug, 2025 | $87.83 | $77.53 | $10.30 | 225,731,319.0 | +7.68% |
| Jul, 2025 | $85.22 | $76.66 | $8.56 | 287,832,694.0 | -1.31% |
| Jun, 2025 | $82.44 | $75.40 | $7.04 | 349,260,141.0 | +3.02% |
| May, 2025 | $84.71 | $73.31 | $11.40 | 302,129,875.0 | -9.81% |
| Apr, 2025 | $89.75 | $75.93 | $13.82 | 362,299,347.0 | -5.08% |
| Mar, 2025 | $97.37 | $87.08 | $10.29 | 325,733,991.0 | -2.70% |
| Feb, 2025 | $100.2 | $81.04 | $19.11 | 360,756,346.0 | -6.65% |
| Jan, 2025 | $103.0 | $95.15 | $7.82 | 205,418,621.0 | -0.66% |
Merck Co Inc Stock (MRK) Price History 2024
| Month | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Dec, 2024 | $105.1 | $97.82 | $7.25 | 207,648,816.0 | -3.22% |
| Nov, 2024 | $103.5 | $94.48 | $8.97 | 221,699,249.0 | -0.66% |
| Oct, 2024 | $114.8 | $98.60 | $16.19 | 204,874,242.0 | -9.90% |
| Sep, 2024 | $120.3 | $112.4 | $7.89 | 184,973,948.0 | -4.13% |
| Aug, 2024 | $118.8 | $110.7 | $8.03 | 181,449,962.0 | +4.70% |
| Jul, 2024 | $129.9 | $112.2 | $17.71 | 187,827,296.0 | -8.62% |
| Jun, 2024 | $134.6 | $120.9 | $13.76 | 183,574,973.0 | -1.39% |
| May, 2024 | $132.8 | $122.7 | $10.09 | 155,822,090.0 | -2.85% |
| Apr, 2024 | $132.8 | $124.5 | $8.30 | 144,046,906.0 | -2.07% |
| Mar, 2024 | $133.1 | $119.2 | $13.87 | 222,853,757.0 | +3.78% |
| Feb, 2024 | $130.2 | $122.8 | $7.47 | 138,222,958.0 | +5.27% |
| Jan, 2024 | $122.8 | $109.2 | $13.69 | 168,129,305.0 | +10.79% |
3.30%
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