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Why is $MRK stock up today?

Merck & Co., Inc. · PHARMACEUTICAL PREPARATIONS

Why is $MRK up today?

The likely driver

Merck & Co., Inc.: Q3 FY2026 results, three months to Sep 30, 2026
SEC EDGAR·4:14 PM ET
  • ›Revenue $18.09B, +4.7% vs a year ago, +8.9% vs last quarter
  • ›Net income $5.07B, -12% vs a year ago
  • ›Diluted EPS $2.04
Price
$146.43
Move today
+0.2%
Volume vs avg
0.0x
Scanner alerts today
0
Flagged in 30 days
109
Market cap
$362.5B
Prev close
$146.09
Avg volume
10.4M

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Nothing has triggered on MRK yet in this session. Our scanner has flagged it 109 times in the last 30 days , most recently on November 5 for big percentage moves, unusual volume, which is why this page is here. See the full MRK page for the chart and the alert history.

Earlier scanner activity on MRK

  • Nov 5Unusual volume (RVOL) alert
  • Nov 5Unusual volume (RVOL) alert
  • Nov 5Unusual volume (RVOL) alert
  • Nov 5Unusual volume (RVOL) alert
  • Nov 5Unusual volume (RVOL) alert
  • Nov 5Unusual volume (RVOL) alert
  • Nov 4Unusual volume (RVOL) alert
  • Nov 4Unusual volume (RVOL) alert
  • Nov 4Unusual volume (RVOL) alert
  • Nov 4Unusual volume (RVOL) alert
  • Nov 4Big % mover alert
  • Nov 4Unusual volume (RVOL) alert

Prior sessions in the last 30 days. A name our scanner keeps flagging is behaving differently from the rest of the market, even on a quiet day.

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Our scanner flagged $MRK 109 times in the last 30 days. Create a free account to track $MRK, build a watchlist, and get instant unusual-volume alerts, with a full day of premium now and 5 more when you verify your email, no card needed.

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Other stocks moving today

Each opens that stock’s own why-is-it-moving page.

Move and volume are based on the latest market data and refresh live on this page. Scanner alerts are our own real-time unusual-volume signals. This is research, not investment advice.