No.2
Disclosure
2026/10/16 05:00
上場廃止の届出（25-NSE）
MRK Merck & Co.S&P 500 member / Health Care
2 posts
Merck & Co. (MRK) at a glance
Prices are from Yahoo! Finance and may be delayed. Always check the latest price before trading.
Merck & Co. (MRK) Stock Price HistoryAt an all-time high
Merck & Co. closed at $149.88 on Oct 21, 2026, +0.3% over 1 month, +71.1% over 1 year.
Price5-day MA25-day MAS&P 500Disclosures
1-Month High$150.91Sep 22
1-Month Low$139.54Oct 5
1-Week Change+1.7%vs Oct 14
1-Month Change+0.3%vs Sep 21
If you had invested $1,000 1 month ago, it would be worth $1,003 today (+0.3%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved −0.7%, while this stock moved +0.3%.
Last 10 Trading Days
| Date | Close | Change | % Change |
|---|---|---|---|
| Oct 21 (Wed) | $149.88 | +1.58 | +1.07% |
| Oct 20 (Tue) | $148.30 | +4.67 | +3.25% |
| Oct 19 (Mon) | $143.63 | −2.32 | −1.59% |
| Oct 16 (Fri) | $145.95 | +0.76 | +0.52% |
| Oct 15 (Thu) | $145.19 | −2.18 | −1.48% |
| Oct 14 (Wed) | $147.37 | +5.39 | +3.80% |
| Oct 13 (Tue) | $141.98 | −3.47 | −2.39% |
| Oct 12 (Mon) | $145.45 | −0.15 | −0.10% |
| Oct 9 (Fri) | $145.60 | +3.22 | +2.26% |
| Oct 8 (Thu) | $142.38 | −0.41 | −0.29% |
Price5-day MA25-day MAS&P 500Disclosures
3-Month High$156.45Aug 25
3-Month Low$126.26Jul 21
1-Month Change+0.3%vs Sep 21
3-Month Change+18.7%vs Jul 21
If you had invested $1,000 3 months ago, it would be worth $1,187 today (+18.7%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +2.7%, while this stock moved +18.7%.
Last 10 Trading Days
| Date | Close | Change | % Change |
|---|---|---|---|
| Oct 21 (Wed) | $149.88 | +1.58 | +1.07% |
| Oct 20 (Tue) | $148.30 | +4.67 | +3.25% |
| Oct 19 (Mon) | $143.63 | −2.32 | −1.59% |
| Oct 16 (Fri) | $145.95 | +0.76 | +0.52% |
| Oct 15 (Thu) | $145.19 | −2.18 | −1.48% |
| Oct 14 (Wed) | $147.37 | +5.39 | +3.80% |
| Oct 13 (Tue) | $141.98 | −3.47 | −2.39% |
| Oct 12 (Mon) | $145.45 | −0.15 | −0.10% |
| Oct 9 (Fri) | $145.60 | +3.22 | +2.26% |
| Oct 8 (Thu) | $142.38 | −0.41 | −0.29% |
Price25-day MA75-day MAS&P 500Disclosures
6-Month High$156.45Aug 25
6-Month Low$109.18Apr 30
3-Month Change+18.7%vs Jul 21
6-Month Change+33.2%vs Apr 21
If you had invested $1,000 6 months ago, it would be worth $1,332 today (+33.2%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +9.2%, while this stock moved +33.2%.
Monthly Closes
| Month | Month-End Close | Monthly % |
|---|---|---|
| Oct 2026 | $149.88 | +3.1% |
| Sep 2026 | $145.31 | −1.7% |
| Aug 2026 | $147.76 | +13.5% |
| Jul 2026 | $130.20 | +1.3% |
| Jun 2026 | $128.50 | +8.2% |
| May 2026 | $118.72 | +8.7% |
| Apr 2026 | $109.18 | −9.2% |
Price25-day MA75-day MAS&P 500Disclosures
52-Week High$156.45Aug 25
52-Week Low$82.49Nov 3
Year to Date+42.4%vs Dec 31
From 52-Week High−4.2%Aug 25
If you had invested $1,000 1 year ago, it would be worth $1,711 today (+71.1%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +14.5%, while this stock moved +71.1%.
Monthly Closes
| Month | Month-End Close | Monthly % |
|---|---|---|
| Oct 2026 | $149.88 | +3.1% |
| Sep 2026 | $145.31 | −1.7% |
| Aug 2026 | $147.76 | +13.5% |
| Jul 2026 | $130.20 | +1.3% |
| Jun 2026 | $128.50 | +8.2% |
| May 2026 | $118.72 | +8.7% |
| Apr 2026 | $109.18 | −9.2% |
| Mar 2026 | $120.29 | −2.9% |
| Feb 2026 | $123.82 | +12.3% |
| Jan 2026 | $110.27 | +4.8% |
| Dec 2025 | $105.26 | +0.4% |
| Nov 2025 | $104.83 | +21.9% |
| Oct 2025 | $85.98 | ― |
Price13-week MA26-week MAS&P 500
3-Year High$152.55Aug 21, 2026
3-Year Low$75.97May 5, 2025
Annualized Return+13.4%
Max Drawdown−42.4%
If you had invested $1,000 3 years ago, it would be worth $1,458 today (+45.8%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +87.3%, while this stock moved +45.8%.
Yearly Closes
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | $149.88 | +42.4% |
| 2025 | $105.26 | ― |
Price13-week MA26-week MAS&P 500
5-Year High$152.55Aug 21, 2026
5-Year Low$72.62Dec 6, 2021
Annualized Return+11.3%
Max Drawdown−42.4%
If you had invested $1,000 5 years ago, it would be worth $1,702 today (+70.2%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +67.5%, while this stock moved +70.2%.
Yearly Closes
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | $149.88 | +42.4% |
| 2025 | $105.26 | ― |
Price1-year MA2-year MAS&P 500
All-Time High$149.88Oct 2026
All-Time Low$2.78Jan 1985
Total Change+5,291.4%vs Jan 1985
Annualized Return+10.0%
If you had invested $1,000 in Jan 1985, it would be worth $53,914 today (+5,291.4%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +4,156.9%, while this stock moved +5,291.4%.
Yearly Closes
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | $149.88 | +42.4% |
| 2025 | $105.26 | +5.8% |
| 2024 | $99.48 | −8.8% |
| 2023 | $109.02 | −1.7% |
| 2022 | $110.95 | +44.8% |
| 2021 | $76.64 | −1.8% |
| 2020 | $78.05 | −10.1% |
| 2019 | $86.78 | +19.0% |
| 2018 | $72.91 | +35.8% |
| 2017 | $53.69 | −4.4% |
| 2016 | $56.17 | +11.5% |
| 2015 | $50.40 | −7.0% |
| 2014 | $54.19 | +13.5% |
| 2013 | $47.76 | +22.3% |
| 2012 | $39.07 | +8.6% |
| 2011 | $35.97 | +4.6% |
| 2010 | $34.39 | −1.4% |
| 2009 | $34.87 | +20.2% |
| 2008 | $29.01 | −47.7% |
| 2007 | $55.45 | +33.3% |
| 2006 | $41.60 | +37.1% |
| 2005 | $30.35 | −1.0% |
| 2004 | $30.67 | −30.4% |
| 2003 | $44.08 | −18.4% |
| 2002 | $54.02 | −3.7% |
| 2001 | $56.11 | −37.2% |
| 2000 | $89.34 | +39.3% |
| 1999 | $64.11 | −8.9% |
| 1998 | $70.37 | +39.1% |
| 1997 | $50.57 | +33.1% |
| 1996 | $37.99 | +21.3% |
| 1995 | $31.31 | +72.1% |
| 1994 | $18.19 | +10.9% |
| 1993 | $16.40 | −20.7% |
| 1992 | $20.69 | −21.8% |
| 1991 | $26.48 | +85.3% |
| 1990 | $14.29 | +16.0% |
| 1989 | $12.33 | +34.2% |
| 1988 | $9.18 | +9.3% |
| 1987 | $8.40 | +27.9% |
| 1986 | $6.57 | +80.9% |
| 1985 | $3.63 | ― |
Daily, weekly and monthly closes (Yahoo! Finance, split-adjusted, dividends excluded). "All" covers the range Yahoo provides (from Jan 1985). Please check the latest prices before trading.
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No.1
Disclosure
2026/10/14 01:36
臨時報告（重要事象）（8-K）
役員の異動（就任・退任・報酬）（Item 5.02）
役員の異動（就任・退任・報酬）（Item 5.02）