Merck & Co. Inc. (MRK)
Showing Closing Date Range from Sep 28 to Oct 26, 2026 compared to Aug 30 to Sep 27, 2026.
Compare Last 28 Days with Previous Period
Investor Relations:merck.com/investor-relations
Current Period Close
$140.60
Sep 28, 2026 - Oct 26, 2026
Previous Period Close
$148.78
Aug 30, 2026 - Sep 27, 2026
Net Comparison Delta
$-8.18 (-5.50%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(21 dates)
| Current Date | Current Close | Previous Date | Previous Close | Delta (%) |
|---|---|---|---|---|
| Oct 26, 2026 | $140.60 | - | - | - |
| Oct 23, 2026 | $145.27 | - | - | - |
| Oct 22, 2026 | $147.24 | Sep 25, 2026 | $148.78 | -1.04% |
| Oct 21, 2026 | $149.88 | Sep 24, 2026 | $147.98 | +1.28% |
| Oct 20, 2026 | $148.30 | Sep 23, 2026 | $148.08 | +0.15% |
| Oct 19, 2026 | $143.63 | Sep 22, 2026 | $150.91 | -4.82% |
| Oct 16, 2026 | $145.95 | Sep 21, 2026 | $149.50 | -2.37% |
| Oct 15, 2026 | $145.19 | Sep 18, 2026 | $146.87 | -1.14% |
| Oct 14, 2026 | $147.37 | Sep 17, 2026 | $147.15 | +0.15% |
| Oct 13, 2026 | $141.98 | Sep 16, 2026 | $144.91 | -2.02% |
| Oct 12, 2026 | $145.45 | Sep 15, 2026 | $143.79 | +1.15% |
| Oct 09, 2026 | $145.60 | Sep 14, 2026 | $144.85 | +0.52% |
| Oct 08, 2026 | $142.38 | Sep 11, 2026 | $143.93 | -1.08% |
| Oct 07, 2026 | $142.79 | Sep 10, 2026 | $144.71 | -1.33% |
| Oct 06, 2026 | $141.94 | Sep 09, 2026 | $147.53 | -3.79% |
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