MarketsStock Market Oct 28: S&P 500 Rises 0.28%, Dow Up 0.19%News Paper Joint
Stock Prices
Data updated Oct 29, 2026 · 6:01 AM EDT
Merck (MRK) Stock Price
NYSE/Nasdaq: MRK · Close of Wednesday, October 28, 2026
Last Close
$140.93
▼ 0.63% (−$0.89)
1-Month
−5.6%
Since Sep 29
52-Week Range
$82–$156
79% of range
Volume
8.2M
Last session
Snapshot
Merck (MRK) closed at $140.93 on October 28, down 0.63% from the previous session. The stock has traded between $82.49 and $156.45 over the past year and sits 9.9% below its 52-week high. Over 12 months the share price is up 62.8%. Prices are end-of-day and for information only — not investment advice.
3-Month Price Chart
Recent Closing Prices
| Date | Close | Change |
|---|---|---|
| Wed, Oct 28 | $140.93 | ▼ 0.63% |
| Tue, Oct 27 | $141.82 | ▲ 0.86% |
| Mon, Oct 26 | $140.61 | ▼ 3.21% |
| Fri, Oct 23 | $145.27 | ▼ 1.34% |
| Thu, Oct 22 | $147.24 | ▼ 1.76% |
| Wed, Oct 21 | $149.88 | ▲ 1.07% |
| Tue, Oct 20 | $148.30 | ▲ 3.25% |
| Mon, Oct 19 | $143.63 | ▼ 1.59% |
| Fri, Oct 16 | $145.95 | ▲ 0.52% |
| Thu, Oct 15 | $145.19 | ▼ 1.48% |
Latest Stock Market News
All news →Frequently Asked Questions
What is Merck's stock price?
MRK last closed at $140.93.
What is the 52-week high for MRK?
$156.45 (closing basis), with a 52-week low of $82.49.
Data source & method: Yahoo Finance / Nasdaq (end-of-day prices). Data updated Oct 29, 2026 · 6:01 AM EDT. This page refreshes automatically; figures are shown exactly as published by the source. How we source data.