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Merck & Co., Inc. (MRK) Corporate Logo

Merck & Co., Inc. (MRK) Stock Price & Analysis

Market: NYSE • Sector: Healthcare • Industry: Drug Manufacturers - General

Merck & Co., Inc. (MRK) Profile & Business Summary

Merck & Co., Inc. operates as a healthcare company worldwide. It operates through two segments, Pharmaceutical and Animal Health. The Pharmaceutical segment offers human health pharmaceutical products in the areas of oncology, hospital acute care, immunology, neuroscience, virology, cardiovascular, and diabetes, as well as vaccine products, such as preventive pediatric, adolescent, and adult vaccines. The Animal Health segment discovers, develops, manufactures, and markets veterinary pharmaceuticals, vaccines, and health management solutions and services, as well as digitally connected identification, traceability, and monitoring products. It serves drug wholesalers and retailers, hospitals, and government agencies; managed health care providers, such as health maintenance organizations, pharmacy benefit managers, and other institutions; and physicians and physician distributors, veterinarians, and animal producers. The company has collaborations with AstraZeneca PLC; Bayer AG; Eisai Co., Ltd.; Ridgeback Biotherapeutics; and Gilead Sciences, Inc. to jointly develop and commercialize long-acting treatments in HIV. Merck & Co., Inc. was founded in 1891 and is headquartered in Kenilworth, New Jersey.

Key Information

Ticker MRK
Exchange NYSE
Official Site https://www.merck.com
CIK Number 0000310158
View SEC Filings

Market Trend Overview for MRK

One model, two time views: what the market looks like right now, and where the larger trend is heading over time.

Longer-Term Market Trend (Mid to Long Term)

Shows the bigger market trend, how strong it is, and where risks may start to build over the next few weeks or months. — Updated as of 2026-10-01 (ET)

As of 2026-10-01, MRK is moving sideways with low volatility. Over the longer term, the trend remains bullish.

MRK last closed at 143.81. The price is about 1.2 ATR below its recent average price (147.66), and the market is currently in a sideways market with low volatility. Price at 143.81 is moving between minor support near 142.32 and minor resistance near 150.36. Direction remains unclear. View Support & Resistance from Options

Price is moving in a tight range. This often leads to a stronger move once the range breaks, increasing one-sided risk.

Trend Alignment Summary

Trend score: 40 out of 100. Overall alignment is unclear. The market is currently in a sideways phase with tightening price movement. The longer-term trend is still positive, but short-term signals are not yet confirming it.

Key Risk Level

A key downside risk boundary is near 136.50. If price falls below this area, the current structure would likely weaken further.

Recent Trend Signal

On 2026-09-09, trend conditions deteriorated, suggesting that moves in the prior direction became less dependable.

Unusual Price Movement

[2026-09-16] Price moved quickly and looked strong, but participation was limited.

Recent Price Behavior

Recent bars show mixed price behavior without a clear shift in structural quality or efficiency.

Overnight Positioning

There was no clear sign of meaningful positions being carried into the overnight session.

Next-day directional probability forecast Last updated: 2026-10-01 (ET)
Next-session outlook for 2026-10-02 (ET)
No clear next-day edge

What the model sees

The model stays neutral because the setup is not clear enough to justify a directional deployment.


Why the model says this

The model does not deploy this setup because predictability is still too low, internal signals are not aligned strongly enough, price is still close to a gamma transition zone, and recent price behavior has shown failed reversal memory. Predictability is 28%, agreement is 38%, and reversal risk is 24%.

NOTE: This next-day up/down probability forecast module is still being tested for accuracy. Please do not rely on it for investment decisions. The model does not account for black swan events or company-specific fundamental news, and its estimates are based solely on technical conditions, capital flow, and market sentiment. View forecast history

Recent Cost Distribution Last updated: 2026-10-01 (ET)

This estimate uses 1-minute price, volume, and VWAP data from the last 50 trading days, with turnover-based decay. The sample period is 2026-07-23 to 2026-10-01. The current price is 143.81, 0.51% below the estimated average cost of 144.55. An estimated 28.8% of recent positioning is below the current price, while 70.8% is above it. The peak-density price is 152.30. The largest concentrated cost region is 146.35 to 152.45 and contains 52.3% of the estimated distribution. The current price is within the 143.75 to 144.15 cost region. The nearest region below the current price is 135.35 to 135.45. The nearest region above the current price is 144.35 to 145.05.

Short Interest & Covering Risk for MRK

This analysis looks at overall short interest positioning, focusing on the broader setup rather than short-term noise.

Squeeze Score 0.85

Shows how likely a short squeeze may be under current market conditions.

Key Market Risk Indicators
Short Crowding (Short Interest / Float) 1.40%
Short Positions Trend Increasing
Liquidity Trend (Average Daily Volume) -6.39%
20-Day Return -5.16%
Price vs 20-Day High Below Recent Highs

Short Exposure Percentile

Short interest is relatively low, indicating limited pressure from short positions. (Historical percentile: 39%)

Structure Analysis

MRK Short positioning is starting to look crowded. Current days to cover is 4.2 trading days, meaning short positions would unwind somewhat slower than average. Short covering could add extra momentum to price moves. No meaningful structural fragility is currently detected (Fragility Score 13/100, DTC percentile 99%) with short positioning continuing to expand and liquidity softening modestly (volume -6%). Positioning is historically elevated, although price and liquidity conditions do not yet confirm structural fragility. Short positioning is at extreme historical levels.

Risk Summary

No clear bull trap characteristics detected. Recent price behavior remains broadly consistent with current positioning.This reading helps confirm that current price action remains structurally healthy and does not indicate elevated trap risk.

Why Price Reactions May Be Stronger?

Days-to-Cover is elevated versus its own history, but absolute short interest remains moderate. In the latest reporting period, short interest continues to increase. Adaptive thresholds applied to liquidity weakness, near-high detection, and compression sensitivity. As a result, similar news or market events could lead to price moves about 2× larger than usual.


Note: Short interest data is reported every two weeks by FINRA. The most recent snapshot is 2026-09-15 (ET).
Because this data updates slowly, it is not intended to predict short-term price moves. Instead, it helps describe longer-term market structure and where pressure may be building if prices begin to move.

Analytical Modules