Massivemarkets

MRK

Merck & Co., Inc.

NYSE · usd

$145.27-1.97 (-1.34%)
As of 4:54:59 PM EDT on Oct 23, 2026 · 15-minute delayed

Merck & Co., Inc. (MRK) trades at $145.27 (-1.34%) as of 4:54:59 PM EDT on Oct 23, 2026, -1.83% over the past month. Market cap is $363.27B, with 2.5 days to cover in short interest.

Stock performance

How Merck & Co., Inc. (MRK) stock has performed from one day to one year, with its 52-week range.

-0.98%
-$1.43 over 1D
$143.82$144.65$145.48$146.315:05 AM10:10 AM12:15 PM2:15 PM4:45 PM$145.03
1D
-1.34%
1W
-0.47%
1M
-1.83%
YTD
+38.01%
1Y
+66.04%
52-wk range
$82.01 – $156.92

Key statistics

Today's trading snapshot for MRK: day range, open, previous close, volume and market cap.

Day range
$143.41 – $145.44
Open
$145.02
Prev close
$147.24
Volume
8.38M
Market cap
$363.27B
Shares out
2.47B

Valuation and profitability ratios: P/E, P/S, ROE

Valuation and profitability ratios for Merck & Co., Inc.: P/E, P/S, P/B, ROE and more.

P/E
114.49
P/S
5.46
P/B
8.66
P/FCF
22.62
ROE
7.6%
ROA
2.4%
Debt/Equity
1.29
Div yield
2.28%

As of Oct 22, 2026

8-K filings

Material corporate events Merck & Co., Inc. has disclosed to the SEC on Form 8-K.

  • Board of directorsOct 13, 2026

    “announcing the election of Paul J. Diaz to the Company's Board of Directors (the "Board"), effective November 1, 2026. The Board appointed Mr. Diaz as a member of both the Audit Committee and the Research Committee of the Board.”

  • Earnings and performanceAug 4, 2026

    Incorporated by reference is a press release issued by Merck & Co., Inc. on August 4, 2026, regarding earnings for the second quarter of 2026, attached as Exhibit 99.1. Also incorporated by reference is certain supplemental information not included in the press release, attached as Exhibit 99.2.

  • Shareholder activismMay 28, 2026

    4. Shareholder proposal regarding a report on DEI risks in federal contracting: 22,754,046 votes FOR, 1,812,455,404 votes AGAINST, 22,310,950 shares abstained from voting.

  • Debt activityMay 22, 2026

    On May 22, 2026, Merck & Co., Inc. (the "Company") closed an underwritten public offering of $500,000,000 aggregate principal amount of Floating Rate Notes due 2028, $1,000,000,000 aggregate principal amount of 4.300% Notes due 2028, $500,000,000 aggregate principal amount of 4.650% Notes due 2031, $1,000,000,000 aggregate principal amount of 4.950% Notes due 2033, $1,500,000,000 aggregate principal amount of 5.200% Notes due 2036, $500,000,000 aggregate principal amount of 5.750% Notes due 2046 and $1,000,000,000 aggregate principal amount of 5.850% Notes due 2056.

  • Earnings and performanceFeb 3, 2026

    Incorporated by reference is a press release issued by Merck & Co., Inc. on February 3, 2026, regarding earnings for the fourth quarter and year end of 2025, attached as Exhibit 99.1.

Dividend history and stock splits

Merck & Co., Inc.'s recent dividend payments and stock splits.

Dividends

  • $0.85ex-div Sep 15, 2026
  • $0.85ex-div Jun 15, 2026
  • $0.85ex-div Mar 16, 2026
  • $0.85ex-div Dec 15, 2025

Splits

No recent splits.

MRK short interest

How heavily MRK is shorted: shares short, days to cover and average daily volume.

Days to cover
2.5
Short interest
28.27M
Avg volume
11.19M

As of · reported to FINRA twice monthly.

MRK news

The latest news and headlines about Merck & Co., Inc. (MRK).

Frequently asked questions

What is the Merck & Co., Inc. (MRK) stock price today?

Merck & Co., Inc. (MRK) is trading at $145.27 (-1.34% on the day) as of 4:54:59 PM EDT on Oct 23, 2026. Prices are delayed at least 15 minutes; real-time quotes are available from the Massive API.

What is Merck & Co., Inc.?

Merck makes pharmaceutical products to treat several conditions in a number of therapeutic areas, including cardiometabolic disease, cancer, and infections. In cancer, the firm's immuno-oncology platform, led by Keytruda, is a major contributor to overall sales.

What is the short interest in MRK?

As of Sep 30, 2026, MRK has 28.27M shares short and 2.5 days to cover.

Does Merck & Co., Inc. (MRK) pay a dividend?

Yes. Merck & Co., Inc. (MRK)'s most recent dividend was $0.85 per share, with an ex-dividend date of Sep 15, 2026. Full MRK dividend history is available from the Massive API.

What exchange is MRK listed on?

Merck & Co., Inc. (MRK) trades on NYSE in USD, in the PHARMACEUTICAL PREPARATIONS industry.

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