The closing price for Merck (MRK) on December 31 was $104.49. It was down 0.6% for the day (down 0.8% from previous close). The latest price is $111.38.
| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 31 2025 21:00 | $104.49 | $104.49 | $104.49 | $104.49 | — |
December 31 2025 20:30 | $104.25 | $104.57 | $104.23 | $104.50 | 1,267,226 |
December 31 2025 19:30 | $104.65 | $104.66 | $104.22 | $104.26 | 838,833 |
December 31 2025 18:30 | $104.83 | $104.94 | $104.65 | $104.66 | 504,050 |
December 31 2025 17:30 | $104.91 | $105.02 | $104.76 | $104.84 | 499,033 |
December 31 2025 16:30 | $104.72 | $104.93 | $104.63 | $104.90 | 525,025 |
December 31 2025 15:30 | $104.87 | $105.04 | $104.56 | $104.71 | 645,102 |
December 31 2025 14:30 | $105.16 | $105.32 | $104.49 | $104.89 | 820,429 |
Daily pricing data for Merck dates back to 1/2/1962, and may be incomplete.