Merck & Co. Inc. (MRK)
Showing Closing Date Range from Oct 27, 2025 to Oct 27, 2026 compared to Oct 26, 2024 to Oct 26, 2025.
Compare Last 12 Months with Previous Period
Investor Relations:merck.com/investor-relations
Current Period Close
$141.82
Oct 27, 2025 - Oct 27, 2026
Previous Period Close
$87.49
Oct 26, 2024 - Oct 26, 2025
Net Comparison Delta
+$54.33 (+62.10%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(252 dates)
| Current Date | Current Close | Previous Date | Previous Close | Delta (%) |
|---|---|---|---|---|
| Oct 27, 2026 | $141.82 | - | - | - |
| Oct 26, 2026 | $140.61 | - | - | - |
| Oct 23, 2026 | $145.27 | - | - | - |
| Oct 22, 2026 | $147.24 | Oct 24, 2025 | $87.49 | +68.29% |
| Oct 21, 2026 | $149.88 | Oct 23, 2025 | $87.18 | +71.92% |
| Oct 20, 2026 | $148.30 | Oct 22, 2025 | $87.61 | +69.27% |
| Oct 19, 2026 | $143.63 | Oct 21, 2025 | $87.62 | +63.92% |
| Oct 16, 2026 | $145.95 | Oct 20, 2025 | $86.32 | +69.08% |
| Oct 15, 2026 | $145.19 | Oct 17, 2025 | $84.79 | +71.23% |
| Oct 14, 2026 | $147.37 | Oct 16, 2025 | $83.92 | +75.61% |
| Oct 13, 2026 | $141.98 | Oct 15, 2025 | $84.11 | +68.80% |
| Oct 12, 2026 | $145.45 | Oct 14, 2025 | $84.70 | +71.72% |
| Oct 09, 2026 | $145.60 | Oct 13, 2025 | $85.70 | +69.89% |
| Oct 08, 2026 | $142.38 | Oct 10, 2025 | $85.99 | +65.58% |
| Oct 07, 2026 | $142.79 | Oct 09, 2025 | $87.50 | +63.19% |
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