The closing price for Merck (MRK) on December 31 was $103.13. It was down 0.6% for the day (down 0.8% from previous close). The latest price is $148.78.
| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 31 2025 21:00 | $103.13 | $103.13 | $103.13 | $103.13 | — |
December 31 2025 20:30 | $102.90 | $103.21 | $102.88 | $103.14 | 1,267,226 |
December 31 2025 19:30 | $103.30 | $103.31 | $102.87 | $102.91 | 838,833 |
December 31 2025 18:30 | $103.47 | $103.58 | $103.30 | $103.31 | 504,050 |
December 31 2025 17:30 | $103.55 | $103.66 | $103.41 | $103.48 | 499,033 |
December 31 2025 16:30 | $103.37 | $103.57 | $103.27 | $103.54 | 525,025 |
December 31 2025 15:30 | $103.51 | $103.68 | $103.20 | $103.36 | 645,102 |
December 31 2025 14:30 | $103.79 | $103.95 | $103.13 | $103.53 | 820,429 |
Daily pricing data for Merck dates back to 1/2/1962, and may be incomplete.