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Merck & Co., Inc. logo

NYSE · MRK

Merck & Co., Inc.

Healthcare · Drug Manufacturers - General

$149.52

Up+$3.19 (+2.18%)

Updated Oct 31, 2026, 3:40 PM

SID Score

8.6/10

Composite research score

Smart Money

54/100

Neutral

Market cap
248.84B
P/E ratio
12.99
Dividend yield
2.74%
52-week range
$106.03 – $156.92
Volume
12.35M
Avg. volume
13.42M

Price performance · MRK

MRK price history

1M range · 21 trading sessions · Daily adjusted prices

Prices through Oct 30, 2026

MRK closed at $149.52 after 21 trading sessions, up 3.62% for the selected period.

Last close
$149.52
Period change
+3.62%
Period low
$139.54
Period high
$149.88
Daily close
View OHLC price history
MRK OHLC price history, latest 40 sessions
DateOpenHighLowCloseVolume
Oct 30, 2026$149.55$151.35$147.40$149.5212.35M
Oct 29, 2026$144.62$149.26$143.32$146.3313.45M
Oct 28, 2026$140.00$142.40$139.211$140.938.24M
Oct 27, 2026$140.22$142.69$139.8301$141.829.06M
Oct 26, 2026$145.89$146.61$139.93$140.6113.1M
Oct 23, 2026$145.02$145.44$143.41$145.278.38M
Oct 22, 2026$151.05$154.02$144.0701$147.2419.03M
Oct 21, 2026$147.11$150.00$147.11$149.889.01M
Oct 20, 2026$146.29$149.36$146.12$148.309.92M
Oct 19, 2026$145.00$147.41$143.53$143.6310.45M
Oct 16, 2026$146.96$147.795$145.61$145.9511.23M
Oct 15, 2026$149.70$152.34$144.91$145.1913.87M
Oct 14, 2026$143.10$148.155$142.66$147.379.81M
Oct 13, 2026$145.85$145.9335$141.58$141.988.38M
Oct 12, 2026$145.75$146.36$144.64$145.458.02M
Oct 9, 2026$141.37$146.68$141.36$145.609.29M
Oct 8, 2026$141.90$142.77$138.89$142.388.41M
Oct 7, 2026$142.025$144.145$141.49$142.796.35M
Oct 6, 2026$140.13$142.16$139.74$141.948.07M
Oct 5, 2026$143.67$144.06$138.80$139.549.49M
Oct 2, 2026$143.77$144.35$142.73$144.309.66M

Latest MRK news

The latest Smart Investors Daily articles mentioning MRK.

MRK research

Overview

Company profile and research snapshot.

Company profile

Merck makes pharmaceutical products to treat several conditions in a number of therapeutic areas, including cardiometabolic disease, cancer, and infections. Within cancer, the firm's immuno-oncology platform, led by Keytruda, is a major contributor to overall sales. The company also has a substantial vaccine business aimed at preventing pediatric diseases, as well as Gardasil for human papillomavirus. Additionally, Merck sells animal health-related drugs. From a geographical perspective, 47% of the company's sales are generated from US human health (pharmaceuticals and vaccines).

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Analyst outlook

Consensus and target data currently published for this company.

Consensus
Buy
Average target
$112.00
Implied upside
—
Analysts
21
MRK recent ratings
DateFirmRatingTarget
Oct 30, 2026RBC CapitalSector Perform—
Oct 30, 2026GuggenheimBuy—
Oct 26, 2026BarclaysOverweight—
Oct 12, 2026CitigroupNeutral—
Oct 12, 2026RBC CapitalSector Perform—
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News briefing

No generated briefing is available yet.

Yahoo · Oct 31, 2026

How Investors Are Reacting To Moderna Stock Phase 3 Melanoma Vaccine Data

Merck and Moderna reported Phase 3 data from the INTerpath-001 trial in resected high-risk melanoma, where personalized mRNA therapy intismeran autogene plus KEYTRUDA reduced the risk of recurrence or death by 42% and distant metastasis or death by 38% compared with KEYTRUDA alone. The therapy’s one-patient-at-a-time manufacturing model and reliance on individualized neoantigen selection highlight both a potential new oncology revenue pillar for Moderna and a materially complex production...

Yahoo · Oct 31, 2026

Merck (MRK) Stock Rallies As Q3 Earnings Ease Profit Squeeze

Merck came into this Q3 2026 earnings print with the stock already on a steady climb, up about 15% over the past three months. The latest release landed and the market liked what it saw, with the share price gaining 2.2% to close around $149.52 by the next trading session. The headline is simple. Solid Q3 revenue of about $18.1b and basic earnings per share of roughly $2.04 marked a sharp break from the losses earlier in 2026. What moved sentiment was not just the quarter itself but the...

Yahoo · Oct 30, 2026

CMMB Celebrates New Distribution Center at the Brethren Service Center with Ribbon-Cutting Ceremony

Launch Partners BD and Merck recognized for inaugural contributions as CMMB expands its capacity to deliver essential medicines and medical supplies worldwide CMMB Ribbon-Cutting Ceremony Event CMMB CEO Mary Beth Powers engages with guests at the Ribbon-Cutting Ceremony for CMMB's new Distribution Center at the Brethren Service Center CMMB Ribbon-Cutting Ceremony From left to right: Darnelle Bernier, Vice President, CMMB Access to Medicines Program; David Steele, Church of the Brethren General S

AI research layers

Interpretive context generated from the platform’s current data sources.

Merck & Co., Inc. Stock Performance

Merck & Co., Inc. shares closed at $149.52, reflecting a single-session decline of 2.49% per SID market data. Despite the daily pullback, the stock has demonstrated strong momentum over longer timeframes, gaining 12.39% over the past three months and 34.41% over the trailing twelve months. The stock currently trades above both key moving averages, with the 50-day moving average at $146.85 and the 200-day moving average at $127.24, indicating a sustained bullish technical posture. The 14-day relative strength index stands at 51.0, suggesting neutral momentum with no immediate overbought or oversold conditions. Merck's beta of 0.299, according to Massive/Polygon data, reflects significantly lower volatility relative to the broader market, consistent with the defensive characteristics typical of healthcare equities. Average daily trading volume registers at approximately 13.4 million shares, supporting adequate liquidity for institutional positioning.

Merck & Co., Inc. Valuation Analysis

Merck & Co., Inc. currently carries a market capitalization of approximately $248.8 billion, per SID market data. The stock trades at a price-to-earnings ratio of 12.99, which is notably below the broader healthcare sector average, suggesting a compressed earnings multiple relative to peers. The PEG ratio stands at 0.79, according to SID market data, indicating the stock may be undervalued when factoring in projected earnings growth, as values below 1.0 generally denote favorable growth-adjusted pricing. Merck's price-to-book ratio of 4.77 reflects a premium to book value, consistent with pharmaceutical companies that hold significant intangible assets including patents and pipeline value. The company offers a dividend yield of 3.27%, per SEC filings, providing income-oriented investors with an above-average payout relative to the S&P 500. This combination of a sub-13 P/E and sub-1 PEG ratio positions Merck as a value-oriented holding within the large-cap healthcare space.

Smart Money Activity for MRK

Merck & Co., Inc. registers a composite smart money score of 54, signaling a neutral overall stance among sophisticated market participants, per SID market data. Institutional ownership conviction scores a perfect 25 out of 25, reflecting robust commitment from large fund managers and asset allocators. Congressional trading activity scores 12.3 out of 25, representing moderate engagement from elected officials in the stock. Insider trading activity, scored at 12.0 out of 25, reveals a notable sell-side skew: SEC Form 4 filings show 20 insider transactions over the past 90 days, comprising 5 purchases and 15 sales. This three-to-one sell-to-buy ratio indicates insiders have been net sellers during the recent price appreciation. Dark pool activity registers at 5.0 out of 25, suggesting limited off-exchange institutional accumulation. The divergence between the maximum institutional score and the below-average dark pool and insider scores creates a mixed signal, with large institutions maintaining positions while corporate insiders reduce personal exposure.

Merck & Co., Inc. Earnings Outlook

Merck & Co., Inc. has delivered a mixed earnings performance across recent quarters, per company earnings reports. In the most recent reported quarter, the company posted earnings per share of $2.49 against an analyst consensus estimate of $2.10, representing a positive surprise of $0.39 or approximately 18.6%. However, prior quarters showed volatility, with one quarter reporting a loss of $0.13 per share versus an expected gain of $0.23, a negative surprise of $0.36. Another quarter recorded a loss of $1.28 per share, though this beat the consensus estimate of a $1.48 loss by $0.20. The upcoming earnings report is scheduled for July 28, with analysts currently estimating earnings of $0.30 per share. The pattern of quarterly swings, including periods of reported losses, reflects the impact of acquisition-related charges and one-time items that have periodically compressed GAAP profitability despite underlying operational strength.

Wall Street Analyst Ratings for MRK

Wall Street coverage of Merck & Co., Inc. reflects a constructive but not unanimously bullish consensus, per analyst reports compiled by SID consensus data. In the most recent round of analyst updates, Guggenheim reiterated a Buy rating on October 30, while Barclays maintained an Overweight classification on October 26, both representing favorable outlooks on the stock. RBC Capital maintained its Sector Perform rating in two separate updates on October 30 and October 12, indicating a market-neutral view. Citigroup similarly reiterated a Neutral stance on October 12. Notably, none of the five most recent analyst actions involved a rating change, with all firms reaffirming prior positions. This stability in ratings suggests the current price level around $149.52 is broadly consistent with analyst expectations. The split between two bullish ratings from Guggenheim and Barclays and two neutral positions from RBC Capital and Citigroup indicates a moderate positive tilt in institutional coverage sentiment.