MRK Stock Catalyst Calendar

This week and next: October 18 – October 31, 2026

Last updated: Oct 23, 2026 • 11:11 PM EDT

Why Is MRK Moving Today?

Get real-time AI-powered explanations for why MRK stock is moving today.

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Upcoming MRK Earnings Dates and Catalysts

European Society for Medical Oncology Congress
Mon, Oct 26, 2026 • 9:00 AM EDT3 days

The European Society for Medical Oncology Congress will be taking place. Location:Madrid Spain -------- Senior management will provide an update on the company's oncology strategy and program.

30% impact
Conference

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See the complete calendar with all upcoming catalysts, earnings dates, and events for MRK.

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Recent Events That Moved MRK Stock

European Society for Medical Oncology Congress
Fri, Oct 23, 2026 • 9:30 AM EDT

The ESMO 2026 Congress begins in Madrid, featuring oncology data releases and presentations from Moderna, Merck, Summit Therapeutics, and Eisai[cite: 1].

95% Impact
Chiharu Shiota: The Soul Trembles
Sat, Sep 26, 2026 • 9:00 AM EDT

The Chiharu Shiota: The Soul Trembles will be taking place. Location:Montreal Museum of Fine Arts (MMFA) Montreal QC -------- The Montreal Museum of Fine Arts will host custom-designed art and wellness visits and workshops developed with Merck Canada tailored for community groups impacted by cancer their families and caregivers inspired by the themes of life and mortality.

5% Impact

Showing the last 8 weeks.

Frequently Asked Questions

When is the next MRK earnings date?

A confirmed next earnings date for MRK is not listed in this window. Check the full stock catalyst calendar and earnings calendar for newly added dates.

What events typically move MRK stock?

Common movers include earnings and guidance, product or service launches, partnerships and M&A headlines, sector news, and macroeconomic releases that change the outlook for MRK.

Why do investors track MRK catalyst events?

Catalysts concentrate information flow: they can reset expectations, volatility, and positioning. A dated calendar helps you plan around those windows instead of reacting after the fact.

Does MRK stock react to retail and macroeconomic data?

Many stocks, including MRK, can respond to retail sales, consumer confidence, inflation and rates, and peer results that read through to demand and margins—especially when no company-specific headline is scheduled.

What upcoming events could move MRK stock next?→Why did MRK stock move up/down today?→
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