
stockNYSE: MRK • 12 Months Updates
Merck & Co. Inc. (MRK) 12 Months
Showing Closing Date Range from Oct 23, 2025 to Oct 23, 2026.
Merck delivers innovative health solutions through its prescription medicines, vaccines, biologic therapies, and animal health products.
Investor Relations:merck.com/investor-relations
Price & Performance Trajectory
Merck & Co. Inc.NYSE: MRK
Latest Close
$145.27
12 Months Updates Trajectory
Showing Closing Date Range from Oct 23, 2025 to Oct 23, 2026.Loading trajectory chart...
Click metric scorecards below to toggle price, return %, range & volume curvesMRK session performance
✓ Latest Close USD
$145.27
Latest session close
+$58.09vs period start
Period Return % % GAIN
+66.63%
Net period trajectory
Cumulative ReturnNormalized
High / Low Range SPREAD
$156.92 / $82.01
Period range envelope
$74.91channel spread
Total Volume SHARES
2.85B
Period turnover
Avg: 11.29M/dLiquidity
Historical Session Ledger
Daily open, high, low, and close prices with volume and period returns.
Historical Quotes & Breakdown(252 dates)
| Date | Close (USD) | Return % | High | Low | Volume |
|---|---|---|---|---|---|
| Oct 23, 2026 | $145.27 | -1.34% | $145.44 | $143.44 | 8.08M |
| Oct 22, 2026 | $147.24 | -1.76% | $154.02 | $144.07 | 19.02M |
| Oct 21, 2026 | $149.88 | +1.07% | $150.00 | $147.11 | 9.01M |
| Oct 20, 2026 | $148.30 | +3.25% | $149.36 | $146.12 | 9.92M |
| Oct 19, 2026 | $143.63 | -1.59% | $147.41 | $143.53 | 10.45M |
| Oct 16, 2026 | $145.95 | +0.52% | $147.80 | $145.61 | 11.23M |
| Oct 15, 2026 | $145.19 | -1.48% | $152.34 | $144.91 | 13.87M |
| Oct 14, 2026 | $147.37 | +3.80% | $148.16 | $142.66 | 9.80M |
| Oct 13, 2026 | $141.98 | -2.39% | $145.93 | $141.58 | 8.38M |
| Oct 12, 2026 | $145.45 | -0.10% | $146.36 | $144.64 | 8.02M |
| Oct 09, 2026 | $145.60 | +2.26% | $146.68 | $141.36 | 9.29M |
| Oct 08, 2026 | $142.38 | -0.29% | $142.77 | $138.89 | 8.40M |
| Oct 07, 2026 | $142.79 | +0.60% | $144.15 | $141.49 | 6.35M |
| Oct 06, 2026 | $141.94 | +1.72% | $142.16 | $139.74 | 8.07M |
| Oct 05, 2026 | $139.54 | -3.30% | $144.06 | $138.80 | 9.48M |
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