Merck & Co., Inc. (MRK) stock
MRKNYSEPharmaceutical PreparationsFiscal year ends December 31
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 7, 2026Score 9/30242% above fair value
$146.33+5.40 (+3.83%)
Close on Oct 29, 2026Market cap $361.02BP/E 117.1Yield 2.24%
Price history
Merck share prices for every trading day, newest first. Adjusted for stock splits, not for dividends.
Close, Oct 29, 2026
$146.33
+3.83% on the day
52-week range
$82.01 – $156.92
-6.7% from the high
Change over 52 weeks
+69.0%
From $86.58 on Oct 29, 2025
Average volume
10.07M
Shares a day, last 90 sessions
| Date | Open | High | Low | Close | Change | Volume |
|---|---|---|---|---|---|---|
| Oct 29, 2026 | $143.86 | $149.26 | $143.32 | $146.33 | +3.83% | 13,443,145 |
| Oct 28, 2026 | $140.89 | $142.40 | $139.21 | $140.93 | -0.63% | 8,236,966 |
| Oct 27, 2026 | $140.22 | $142.69 | $139.83 | $141.82 | +0.86% | 9,057,862 |
| Oct 26, 2026 | $145.89 | $146.61 | $139.93 | $140.61 | -3.21% | 13,090,573 |
| Oct 23, 2026 | $145.75 | $145.75 | $143.41 | $145.27 | -1.34% | 8,379,336 |
| Oct 22, 2026 | $151.54 | $154.02 | $144.07 | $147.24 | -1.76% | 19,026,052 |
| Oct 21, 2026 | $147.57 | $150.00 | $147.11 | $149.88 | +1.07% | 9,007,345 |
| Oct 20, 2026 | $146.74 | $149.36 | $146.12 | $148.30 | +3.25% | 9,904,562 |
| Oct 19, 2026 | $145.00 | $147.41 | $143.53 | $143.63 | -1.59% | 10,449,088 |
| Oct 16, 2026 | $146.96 | $147.80 | $145.61 | $145.95 | +0.52% | 11,233,874 |
| Oct 15, 2026 | $149.70 | $152.34 | $144.91 | $145.19 | -1.48% | 13,865,456 |
| Oct 14, 2026 | $143.10 | $148.16 | $142.66 | $147.37 | +3.80% | 9,807,791 |
| Oct 13, 2026 | $145.85 | $145.93 | $141.58 | $141.98 | -2.39% | 8,379,652 |
| Oct 12, 2026 | $145.75 | $146.36 | $144.64 | $145.45 | -0.10% | 8,019,257 |
| Oct 9, 2026 | $141.37 | $146.68 | $141.36 | $145.60 | +2.26% | 9,288,746 |
| Oct 8, 2026 | $141.90 | $142.77 | $138.89 | $142.38 | -0.29% | 8,411,488 |
| Oct 7, 2026 | $142.03 | $144.15 | $141.49 | $142.79 | +0.60% | 6,353,502 |
| Oct 6, 2026 | $140.13 | $142.16 | $139.74 | $141.94 | +1.72% | 8,073,204 |
| Oct 5, 2026 | $143.67 | $144.06 | $138.80 | $139.54 | -3.30% | 9,485,736 |
| Oct 2, 2026 | $143.77 | $144.35 | $142.73 | $144.30 | +0.34% | 9,661,871 |
| Oct 1, 2026 | $144.71 | $145.39 | $143.26 | $143.81 | -1.03% | 7,859,759 |
| Sep 30, 2026 | $148.95 | $149.27 | $145.26 | $145.31 | -2.66% | 10,230,768 |
| Sep 29, 2026 | $148.17 | $150.36 | $146.09 | $149.28 | +0.40% | 8,203,975 |
| Sep 28, 2026 | $147.65 | $149.19 | $146.28 | $148.69 | -0.06% | 7,700,986 |
| Sep 25, 2026 | $148.06 | $149.98 | $147.48 | $148.78 | +0.54% | 8,292,484 |
| Sep 24, 2026 | $148.17 | $151.46 | $147.90 | $147.98 | -0.07% | 10,312,767 |
| Sep 23, 2026 | $151.32 | $152.01 | $146.89 | $148.08 | -1.88% | 9,703,730 |
| Sep 22, 2026 | $148.69 | $153.57 | $148.04 | $150.91 | +0.94% | 11,173,544 |
| Sep 21, 2026 | $146.79 | $150.49 | $145.60 | $149.50 | +1.79% | 7,996,434 |
| Sep 18, 2026 | $147.08 | $147.84 | $145.74 | $146.87 | -0.19% | 31,159,667 |
| Sep 17, 2026 | $145.74 | $147.65 | $145.32 | $147.15 | +1.55% | 11,063,793 |
| Sep 16, 2026 | $143.96 | $144.97 | $143.50 | $144.91 | +0.78% | 7,230,927 |
| Sep 15, 2026 | $143.85 | $144.15 | $142.32 | $143.79 | -0.73% | 8,292,751 |
| Sep 14, 2026 | $146.42 | $147.09 | $144.10 | $144.85 | +0.64% | 7,414,160 |
| Sep 11, 2026 | $145.52 | $145.90 | $143.68 | $143.93 | -0.54% | 8,679,443 |
| Sep 10, 2026 | $147.94 | $148.00 | $144.10 | $144.71 | -1.91% | 7,544,531 |
| Sep 9, 2026 | $148.96 | $149.41 | $147.18 | $147.53 | -0.63% | 8,546,447 |
| Sep 8, 2026 | $148.41 | $149.60 | $146.28 | $148.46 | -1.24% | 11,187,298 |
| Sep 4, 2026 | $150.83 | $152.22 | $150.09 | $150.33 | -1.32% | 4,397,468 |
| Sep 3, 2026 | $152.80 | $152.80 | $148.90 | $152.34 | +0.46% | 6,498,969 |
| Sep 2, 2026 | $151.50 | $152.69 | $149.97 | $151.64 | +1.19% | 8,970,604 |
| Sep 1, 2026 | $150.23 | $151.68 | $148.55 | $149.86 | +1.42% | 9,866,567 |
| Aug 31, 2026 | $147.00 | $148.69 | $145.95 | $147.76 | -0.40% | 11,126,604 |
| Aug 28, 2026 | $146.72 | $149.01 | $145.75 | $148.35 | -0.80% | 8,067,848 |
| Aug 27, 2026 | $149.53 | $152.08 | $149.02 | $149.54 | -2.33% | 8,530,990 |
| Aug 26, 2026 | $154.35 | $155.19 | $152.61 | $153.10 | -2.14% | 8,634,975 |
| Aug 25, 2026 | $151.00 | $156.92 | $150.66 | $156.45 | +3.84% | 14,005,081 |
| Aug 24, 2026 | $150.72 | $151.52 | $149.14 | $150.66 | -1.24% | 15,032,010 |
| Aug 21, 2026 | $149.12 | $154.49 | $148.59 | $152.55 | +2.39% | 15,976,212 |
| Aug 20, 2026 | $150.78 | $152.52 | $148.52 | $148.99 | -2.11% | 16,204,664 |
| Aug 19, 2026 | $146.94 | $153.50 | $144.90 | $152.20 | +12.60% | 32,776,268 |
| Aug 18, 2026 | $137.24 | $137.98 | $134.88 | $135.17 | -0.59% | 10,284,238 |
| Aug 17, 2026 | $134.95 | $137.17 | $134.55 | $135.97 | +0.10% | 8,477,591 |
| Aug 14, 2026 | $134.43 | $135.97 | $133.40 | $135.84 | +0.21% | 6,869,005 |
| Aug 13, 2026 | $133.86 | $135.68 | $133.06 | $135.55 | +1.98% | 8,895,212 |
| Aug 12, 2026 | $130.25 | $134.06 | $128.91 | $132.92 | +1.92% | 10,447,088 |
| Aug 11, 2026 | $129.93 | $132.84 | $129.70 | $130.42 | -0.38% | 6,342,169 |
| Aug 10, 2026 | $128.29 | $130.98 | $128.24 | $130.92 | +1.82% | 6,007,619 |
| Aug 7, 2026 | $127.84 | $128.75 | $126.68 | $128.58 | +0.16% | 7,347,555 |
| Aug 6, 2026 | $130.96 | $131.08 | $127.80 | $128.37 | +0.03% | 7,052,064 |
| Aug 5, 2026 | $129.41 | $131.09 | $127.56 | $128.33 | +0.26% | 10,501,870 |
| Aug 4, 2026 | $128.46 | $129.99 | $126.22 | $128.00 | +0.18% | 11,816,856 |
| Aug 3, 2026 | $129.87 | $131.47 | $126.72 | $127.77 | -1.87% | 11,153,829 |
| Jul 31, 2026 | $128.92 | $131.04 | $128.14 | $130.20 | +0.32% | 7,738,762 |
| Jul 30, 2026 | $128.20 | $130.21 | $127.25 | $129.79 | -0.44% | 7,833,237 |
| Jul 29, 2026 | $132.37 | $132.69 | $129.65 | $130.36 | -1.11% | 7,539,455 |
| Jul 28, 2026 | $132.88 | $135.05 | $131.14 | $131.82 | +0.81% | 10,265,058 |
| Jul 27, 2026 | $131.01 | $132.53 | $130.45 | $130.76 | -0.24% | 6,910,339 |
| Jul 24, 2026 | $131.44 | $131.71 | $130.24 | $131.07 | +0.45% | 6,154,380 |
| Jul 23, 2026 | $127.82 | $131.04 | $127.82 | $130.48 | +2.36% | 8,531,273 |
| Jul 22, 2026 | $127.32 | $128.83 | $126.62 | $127.47 | +0.96% | 7,792,423 |
| Jul 21, 2026 | $124.80 | $126.77 | $124.10 | $126.26 | +1.50% | 7,344,785 |
| Jul 20, 2026 | $127.29 | $127.89 | $124.22 | $124.40 | -2.43% | 7,729,047 |
| Jul 17, 2026 | $128.45 | $131.74 | $127.03 | $127.50 | -0.10% | 13,472,723 |
| Jul 16, 2026 | $124.33 | $128.93 | $124.00 | $127.63 | +3.25% | 13,038,763 |
| Jul 15, 2026 | $124.25 | $124.90 | $122.75 | $123.61 | +2.34% | 9,053,781 |
| Jul 14, 2026 | $123.30 | $123.66 | $120.16 | $120.78 | -2.62% | 9,932,949 |
| Jul 13, 2026 | $123.58 | $124.74 | $122.44 | $124.03 | +0.40% | 5,225,798 |
| Jul 10, 2026 | $125.12 | $125.56 | $122.90 | $123.54 | -1.22% | 8,388,686 |
| Jul 9, 2026 | $125.48 | $128.07 | $124.45 | $125.07 | -0.73% | 6,975,496 |
| Jul 8, 2026 | $128.34 | $128.99 | $125.14 | $125.99 | -2.23% | 7,910,217 |
| Jul 7, 2026 | $128.77 | $129.69 | $127.89 | $128.86 | +1.64% | 10,174,350 |
| Jul 6, 2026 | $129.31 | $130.00 | $125.62 | $126.78 | -2.15% | 9,499,258 |
| Jul 2, 2026 | $126.18 | $129.61 | $125.99 | $129.56 | +3.34% | 7,833,991 |
| Jul 1, 2026 | $128.01 | $128.42 | $124.71 | $125.37 | -2.44% | 10,750,065 |
| Jun 30, 2026 | $129.22 | $130.29 | $126.68 | $128.50 | -0.68% | 11,837,216 |
| Jun 29, 2026 | $127.65 | $129.97 | $126.74 | $129.38 | +0.56% | 9,584,597 |
| Jun 26, 2026 | $125.83 | $128.78 | $125.83 | $128.66 | +2.56% | 18,891,534 |
| Jun 25, 2026 | $121.63 | $125.96 | $121.00 | $125.45 | +4.02% | 14,049,626 |
| Jun 24, 2026 | $120.90 | $121.81 | $119.51 | $120.60 | +0.84% | 10,478,134 |
| Jun 23, 2026 | $116.53 | $119.80 | $116.53 | $119.60 | +3.57% | 10,469,255 |
| Jun 22, 2026 | $113.97 | $115.63 | $113.00 | $115.48 | +1.41% | 10,521,234 |
| Jun 18, 2026 | $114.64 | $114.94 | $111.57 | $113.87 | -1.36% | 29,521,620 |
| Jun 17, 2026 | $114.86 | $115.99 | $114.02 | $115.44 | +0.23% | 10,459,875 |
| Jun 16, 2026 | $115.88 | $115.90 | $113.57 | $115.17 | +0.23% | 10,665,445 |
| Jun 15, 2026 | $118.71 | $118.95 | $114.87 | $114.90 | -3.49% | 15,395,716 |
| Jun 12, 2026 | $121.50 | $121.90 | $118.83 | $119.05 | -1.42% | 10,927,108 |
| Jun 11, 2026 | $120.04 | $122.71 | $119.95 | $120.76 | +1.40% | 13,180,276 |
| Jun 10, 2026 | $119.78 | $120.04 | $117.26 | $119.09 | -0.43% | 10,302,107 |
| Jun 9, 2026 | $120.03 | $120.50 | $118.00 | $119.60 | +0.07% | 9,669,142 |
| Jun 8, 2026 | $120.85 | $122.60 | $118.69 | $119.52 | -1.05% | 12,312,221 |
| Jun 5, 2026 | $120.94 | $123.46 | $120.36 | $120.79 | +0.44% | 15,967,214 |
| Jun 4, 2026 | $117.16 | $120.55 | $117.09 | $120.26 | +4.85% | 15,933,945 |
| Jun 3, 2026 | $115.45 | $117.33 | $114.70 | $114.70 | -0.82% | 8,225,149 |
| Jun 2, 2026 | $114.50 | $116.78 | $114.50 | $115.65 | +0.42% | 8,311,473 |
| Jun 1, 2026 | $117.55 | $117.96 | $114.36 | $115.17 | -2.99% | 9,406,728 |
| May 29, 2026 | $119.65 | $120.67 | $118.19 | $118.72 | -0.98% | 16,599,390 |
| May 28, 2026 | $120.26 | $121.50 | $119.36 | $119.89 | -0.29% | 9,260,163 |
| May 27, 2026 | $119.82 | $122.40 | $119.78 | $120.24 | +0.43% | 7,163,193 |
| May 26, 2026 | $122.90 | $123.13 | $119.41 | $119.72 | -2.20% | 10,012,129 |
| May 22, 2026 | $120.55 | $122.66 | $120.08 | $122.41 | +5.64% | 14,754,582 |
| May 21, 2026 | $112.79 | $115.98 | $112.09 | $115.88 | +2.55% | 7,402,219 |
| May 20, 2026 | $114.63 | $114.95 | $112.90 | $113.00 | -1.09% | 9,130,579 |
| May 19, 2026 | $112.56 | $115.10 | $112.13 | $114.24 | +1.49% | 7,555,356 |
| May 18, 2026 | $111.43 | $112.89 | $110.97 | $112.56 | +1.06% | 8,047,204 |
| May 15, 2026 | $113.90 | $113.93 | $110.94 | $111.38 | -1.79% | 10,028,864 |
| May 14, 2026 | $113.63 | $113.90 | $112.57 | $113.41 | -0.04% | 5,284,176 |
| May 13, 2026 | $112.25 | $114.07 | $112.04 | $113.45 | +0.96% | 8,110,465 |
| May 12, 2026 | $111.50 | $113.69 | $111.39 | $112.37 | +0.98% | 9,117,443 |
| May 11, 2026 | $112.15 | $113.68 | $111.01 | $111.28 | -0.09% | 7,750,595 |
| May 8, 2026 | $112.38 | $113.01 | $111.18 | $111.38 | -0.82% | 5,725,144 |
| May 7, 2026 | $113.51 | $113.75 | $111.10 | $112.30 | -1.11% | 7,329,028 |
| May 6, 2026 | $113.15 | $114.49 | $112.74 | $113.56 | +0.36% | 7,256,080 |
| May 5, 2026 | $113.67 | $114.07 | $112.83 | $113.15 | +0.04% | 7,910,399 |
| May 4, 2026 | $111.41 | $114.62 | $110.75 | $113.11 | +0.85% | 7,659,084 |
| May 1, 2026 | $112.33 | $114.54 | $111.88 | $112.16 | +2.73% | 11,953,718 |
| Apr 30, 2026 | $109.34 | $112.24 | $108.63 | $109.18 | -1.60% | 17,131,130 |
| Apr 29, 2026 | $108.55 | $111.23 | $107.90 | $110.95 | +0.84% | 9,769,233 |
| Apr 28, 2026 | $111.52 | $111.91 | $109.71 | $110.03 | -0.18% | 7,157,570 |
| Apr 27, 2026 | $111.22 | $112.75 | $110.14 | $110.23 | -1.49% | 9,158,639 |
| Apr 24, 2026 | $113.74 | $114.03 | $111.50 | $111.90 | -2.37% | 7,060,016 |
| Apr 23, 2026 | $113.37 | $115.02 | $113.10 | $114.62 | +1.53% | 6,826,250 |
| Apr 22, 2026 | $112.61 | $113.51 | $111.54 | $112.89 | +0.29% | 8,037,515 |
| Apr 21, 2026 | $116.49 | $116.53 | $111.91 | $112.56 | -3.88% | 12,766,661 |
| Apr 20, 2026 | $119.15 | $119.36 | $116.75 | $117.10 | -1.65% | 7,391,725 |
| Apr 17, 2026 | $115.56 | $119.20 | $115.56 | $119.07 | +3.13% | 16,194,901 |
| Apr 16, 2026 | $117.13 | $117.85 | $114.71 | $115.46 | -2.07% | 11,399,887 |
| Apr 15, 2026 | $119.80 | $120.25 | $116.64 | $117.90 | -1.72% | 7,689,371 |
| Apr 14, 2026 | $119.03 | $120.36 | $118.15 | $119.96 | -0.16% | 12,449,439 |
| Apr 13, 2026 | $121.03 | $121.30 | $119.06 | $120.15 | -1.05% | 6,355,829 |
| Apr 10, 2026 | $122.96 | $123.01 | $120.95 | $121.42 | -1.03% | 9,706,922 |
| Apr 9, 2026 | $122.90 | $124.00 | $121.35 | $122.68 | -0.41% | 8,665,772 |
| Apr 8, 2026 | $119.60 | $123.63 | $117.94 | $123.18 | +3.27% | 9,256,857 |
| Apr 7, 2026 | $119.56 | $119.56 | $116.50 | $119.28 | -1.30% | 11,376,366 |
| Apr 6, 2026 | $120.41 | $121.48 | $120.04 | $120.85 | -0.02% | 4,890,476 |
| Apr 2, 2026 | $120.37 | $121.65 | $119.22 | $120.87 | +0.02% | 6,387,889 |
| Apr 1, 2026 | $120.88 | $122.19 | $120.27 | $120.84 | +0.46% | 6,351,679 |
| Mar 31, 2026 | $119.03 | $121.27 | $118.77 | $120.29 | +1.85% | 10,713,335 |
| Mar 30, 2026 | $120.57 | $121.64 | $117.22 | $118.10 | -1.28% | 11,083,961 |
| Mar 27, 2026 | $119.29 | $121.07 | $118.60 | $119.63 | +0.59% | 8,345,763 |
| Mar 26, 2026 | $118.96 | $120.06 | $118.65 | $118.93 | -0.37% | 6,497,239 |
| Mar 25, 2026 | $117.30 | $120.12 | $116.80 | $119.37 | +2.58% | 10,220,315 |
| Mar 24, 2026 | $114.70 | $116.54 | $114.02 | $116.37 | +0.60% | 7,411,878 |
| Mar 23, 2026 | $116.17 | $116.47 | $114.77 | $115.68 | +1.31% | 9,096,368 |
| Mar 20, 2026 | $114.25 | $115.18 | $112.72 | $114.18 | -0.02% | 36,354,546 |
| Mar 19, 2026 | $114.66 | $115.76 | $113.75 | $114.20 | -0.26% | 8,383,761 |
| Mar 18, 2026 | $115.06 | $115.56 | $113.35 | $114.50 | -1.18% | 6,736,269 |
| Mar 17, 2026 | $115.78 | $116.80 | $114.38 | $115.87 | +0.38% | 7,951,990 |
| Mar 16, 2026 | $115.34 | $116.06 | $114.22 | $115.43 | -0.16% | 8,785,305 |
| Mar 13, 2026 | $116.92 | $117.89 | $115.53 | $115.61 | -0.26% | 7,111,035 |
| Mar 12, 2026 | $115.47 | $116.60 | $114.30 | $115.91 | -0.26% | 8,349,180 |
| Mar 11, 2026 | $116.76 | $116.95 | $115.29 | $116.21 | -0.75% | 6,769,631 |
| Mar 10, 2026 | $117.24 | $119.00 | $116.67 | $117.09 | -0.02% | 9,739,258 |
| Mar 9, 2026 | $114.98 | $117.26 | $114.11 | $117.11 | +1.14% | 8,321,571 |
| Mar 6, 2026 | $115.16 | $116.36 | $113.82 | $115.79 | -0.24% | 12,809,313 |
| Mar 5, 2026 | $119.11 | $119.53 | $114.45 | $116.07 | -3.50% | 14,524,746 |
| Mar 4, 2026 | $119.43 | $120.87 | $117.86 | $120.28 | +0.38% | 6,700,911 |
| Mar 3, 2026 | $119.67 | $120.97 | $118.61 | $119.83 | -1.30% | 9,334,139 |
| Mar 2, 2026 | $123.51 | $123.70 | $121.04 | $121.41 | -1.95% | 11,564,486 |
| Feb 27, 2026 | $119.68 | $124.00 | $119.68 | $123.82 | +3.79% | 17,636,440 |
| Feb 26, 2026 | $122.40 | $122.50 | $119.00 | $119.30 | -2.58% | 10,327,288 |
| Feb 25, 2026 | $124.01 | $125.14 | $122.26 | $122.46 | -1.19% | 11,082,462 |
| Feb 24, 2026 | $123.41 | $124.84 | $122.63 | $123.93 | +0.09% | 8,460,699 |
| Feb 23, 2026 | $122.31 | $124.19 | $121.50 | $123.82 | +1.28% | 9,661,095 |
| Feb 20, 2026 | $122.64 | $122.70 | $120.60 | $122.26 | +0.33% | 9,442,855 |
| Feb 19, 2026 | $121.40 | $122.60 | $120.50 | $121.86 | +0.16% | 8,933,309 |
| Feb 18, 2026 | $121.25 | $121.81 | $120.39 | $121.66 | +0.07% | 7,803,418 |
| Feb 17, 2026 | $122.36 | $123.08 | $120.80 | $121.57 | +0.13% | 9,899,761 |
| Feb 13, 2026 | $121.50 | $123.33 | $121.03 | $121.41 | +1.82% | 10,102,324 |
| Feb 12, 2026 | $119.01 | $121.61 | $118.12 | $119.24 | -0.06% | 13,453,271 |
| Feb 11, 2026 | $117.04 | $119.36 | $116.31 | $119.31 | +1.84% | 10,885,294 |
| Feb 10, 2026 | $117.69 | $118.18 | $116.10 | $117.15 | -0.42% | 11,849,545 |
| Feb 9, 2026 | $121.41 | $121.88 | $116.98 | $117.65 | -3.51% | 16,158,727 |
| Feb 6, 2026 | $120.76 | $122.66 | $120.44 | $121.93 | +1.82% | 13,083,323 |
| Feb 5, 2026 | $118.31 | $122.43 | $118.31 | $119.75 | +1.20% | 24,010,554 |
| Feb 4, 2026 | $116.90 | $120.39 | $116.50 | $118.33 | +2.15% | 21,954,563 |
| Feb 3, 2026 | $111.67 | $118.46 | $111.44 | $115.84 | +2.18% | 25,793,563 |
| Feb 2, 2026 | $110.12 | $113.89 | $109.95 | $113.37 | +2.81% | 18,000,106 |
| Jan 30, 2026 | $108.59 | $110.54 | $107.95 | $110.27 | +1.78% | 19,060,604 |
| Jan 29, 2026 | $107.33 | $109.93 | $107.10 | $108.34 | +1.35% | 13,572,813 |
| Jan 28, 2026 | $106.85 | $107.93 | $106.03 | $106.90 | -0.95% | 7,491,691 |
| Jan 27, 2026 | $107.50 | $108.35 | $106.84 | $107.92 | +0.48% | 7,907,088 |
| Jan 26, 2026 | $107.80 | $108.42 | $107.06 | $107.40 | -0.72% | 9,903,240 |
| Jan 23, 2026 | $109.09 | $109.09 | $107.21 | $108.18 | -0.92% | 10,489,492 |
| Jan 22, 2026 | $110.78 | $111.32 | $108.59 | $109.18 | -1.74% | 9,362,585 |
| Jan 21, 2026 | $109.19 | $111.97 | $108.73 | $111.11 | +1.52% | 12,844,383 |
| Jan 20, 2026 | $108.11 | $109.64 | $106.93 | $109.45 | +0.57% | 15,241,138 |
| Jan 16, 2026 | $110.72 | $110.73 | $108.43 | $108.83 | -1.93% | 14,852,069 |
| Jan 15, 2026 | $110.62 | $111.58 | $108.45 | $110.97 | -0.04% | 11,775,844 |
| Jan 14, 2026 | $108.97 | $111.23 | $107.95 | $111.01 | +2.54% | 11,964,625 |
| Jan 13, 2026 | $109.05 | $109.31 | $107.22 | $108.26 | -0.85% | 9,338,579 |
| Jan 12, 2026 | $110.97 | $111.46 | $108.78 | $109.19 | -1.21% | 10,671,910 |
| Jan 9, 2026 | $110.87 | $112.48 | $110.22 | $110.53 | -0.41% | 11,040,798 |
| Jan 8, 2026 | $110.61 | $112.90 | $109.25 | $110.99 | +2.20% | 20,278,830 |
| Jan 7, 2026 | $109.51 | $111.46 | $107.95 | $108.60 | -0.25% | 16,322,345 |
| Jan 6, 2026 | $107.68 | $110.17 | $107.68 | $108.87 | +1.33% | 14,478,957 |
| Jan 5, 2026 | $107.01 | $108.44 | $105.80 | $107.44 | +0.93% | 15,863,319 |
| Jan 2, 2026 | $105.53 | $106.62 | $104.43 | $106.45 | +1.13% | 9,992,435 |
| Dec 31, 2025 | $105.94 | $106.10 | $104.99 | $105.26 | -0.75% | 7,557,325 |
| Dec 30, 2025 | $106.73 | $106.88 | $105.64 | $106.06 | -0.53% | 6,498,303 |
| Dec 29, 2025 | $106.85 | $107.59 | $106.43 | $106.62 | -0.15% | 8,086,890 |
| Dec 26, 2025 | $106.45 | $107.05 | $106.03 | $106.78 | +0.31% | 6,280,701 |
| Dec 24, 2025 | $105.37 | $106.95 | $105.28 | $106.45 | +1.34% | 5,335,048 |
| Dec 23, 2025 | $104.56 | $105.39 | $104.33 | $105.04 | +0.31% | 13,587,456 |
| Dec 22, 2025 | $100.63 | $104.95 | $100.40 | $104.72 | +3.59% | 17,136,247 |
| Dec 19, 2025 | $100.60 | $102.20 | $100.11 | $101.09 | +0.40% | 44,955,645 |
| Dec 18, 2025 | $99.27 | $101.37 | $98.86 | $100.69 | +1.52% | 14,289,261 |
| Dec 17, 2025 | $98.18 | $100.14 | $98.06 | $99.18 | +0.93% | 13,180,992 |
| Dec 16, 2025 | $100.30 | $100.34 | $96.79 | $98.27 | -1.98% | 16,663,614 |
| Dec 15, 2025 | $99.99 | $100.94 | $98.00 | $100.26 | -0.04% | 16,725,390 |
| Dec 12, 2025 | $98.96 | $100.66 | $98.32 | $100.30 | +1.30% | 11,810,788 |
| Dec 11, 2025 | $98.44 | $99.14 | $97.58 | $99.01 | +1.42% | 11,808,178 |
| Dec 10, 2025 | $98.05 | $98.17 | $96.47 | $97.62 | +0.75% | 18,054,129 |
| Dec 9, 2025 | $99.32 | $99.85 | $96.06 | $96.89 | -2.06% | 16,283,945 |
| Dec 8, 2025 | $99.38 | $99.67 | $97.81 | $98.93 | -0.79% | 12,902,587 |
| Dec 5, 2025 | $101.40 | $102.09 | $99.19 | $99.72 | -1.16% | 16,430,388 |
| Dec 4, 2025 | $102.10 | $102.60 | $100.54 | $100.89 | -1.35% | 12,770,712 |
| Dec 3, 2025 | $101.90 | $103.09 | $101.52 | $102.27 | +1.23% | 12,541,641 |
| Dec 2, 2025 | $101.53 | $101.80 | $100.31 | $101.03 | -0.79% | 11,794,980 |
| Dec 1, 2025 | $104.72 | $105.68 | $101.71 | $101.83 | -2.86% | 14,178,308 |
| Nov 28, 2025 | $104.84 | $105.41 | $104.12 | $104.83 | +0.19% | 6,154,508 |
| Nov 26, 2025 | $104.60 | $105.75 | $104.20 | $104.63 | -0.97% | 12,624,017 |
| Nov 25, 2025 | $100.73 | $105.84 | $100.71 | $105.66 | +5.24% | 22,225,431 |
| Nov 24, 2025 | $99.12 | $102.36 | $99.12 | $100.40 | +2.70% | 28,320,935 |
| Nov 21, 2025 | $95.48 | $100.27 | $95.36 | $97.76 | +2.94% | 23,183,284 |
| Nov 20, 2025 | $94.97 | $96.00 | $93.90 | $94.97 | -0.08% | 12,554,217 |
| Nov 19, 2025 | $96.00 | $97.14 | $94.09 | $95.05 | -1.43% | 14,641,308 |
| Nov 18, 2025 | $94.11 | $97.66 | $92.11 | $96.43 | +3.84% | 28,153,549 |
| Nov 17, 2025 | $93.23 | $94.75 | $92.68 | $92.86 | -0.06% | 14,345,822 |
| Nov 14, 2025 | $92.20 | $95.08 | $91.49 | $92.92 | -0.01% | 19,632,021 |
| Nov 13, 2025 | $91.31 | $94.26 | $90.90 | $92.93 | +1.62% | 16,086,082 |
| Nov 12, 2025 | $91.41 | $92.91 | $91.16 | $91.45 | +0.55% | 13,218,933 |
| Nov 11, 2025 | $87.35 | $91.07 | $87.26 | $90.95 | +4.84% | 15,435,939 |
| Nov 10, 2025 | $86.69 | $87.37 | $85.80 | $86.75 | +0.54% | 8,319,373 |
| Nov 7, 2025 | $85.95 | $86.59 | $85.24 | $86.28 | +0.58% | 9,214,301 |
| Nov 6, 2025 | $84.48 | $86.17 | $84.35 | $85.78 | +1.65% | 10,601,445 |
| Nov 5, 2025 | $84.03 | $85.38 | $82.91 | $84.39 | +0.63% | 9,440,157 |
| Nov 4, 2025 | $82.70 | $84.96 | $82.01 | $83.86 | +1.66% | 12,846,087 |
| Nov 3, 2025 | $85.77 | $86.10 | $82.34 | $82.49 | -4.06% | 13,875,806 |
| Oct 31, 2025 | $85.42 | $86.46 | $84.56 | $85.98 | -0.35% | 12,384,986 |
| Oct 30, 2025 | $84.62 | $87.30 | $83.30 | $86.28 | -0.35% | 16,678,844 |
| Oct 29, 2025 | $86.95 | $87.84 | $86.07 | $86.58 | -0.52% | 10,921,908 |
| Oct 28, 2025 | $88.11 | $88.11 | $86.93 | $87.03 | -1.10% | 8,345,943 |
| Oct 27, 2025 | $87.51 | $88.30 | $87.03 | $88.00 | +0.58% | 7,226,555 |
| Oct 24, 2025 | $87.33 | $88.06 | $87.11 | $87.49 | +0.36% | 7,902,072 |
| Oct 23, 2025 | $87.56 | $88.11 | $86.91 | $87.18 | -0.49% | 7,687,450 |
| Oct 22, 2025 | $87.68 | $88.79 | $87.01 | $87.61 | -0.01% | 10,926,343 |
| Oct 21, 2025 | $86.96 | $87.67 | $86.23 | $87.62 | +1.51% | 9,852,403 |
| Oct 20, 2025 | $85.25 | $87.00 | $85.03 | $86.32 | +1.80% | 8,611,782 |
| Oct 17, 2025 | $83.28 | $84.89 | $83.16 | $84.79 | – | 10,758,923 |
Seasonality
MRK return in each calendar month over the last 10 years, including dividends. The current month runs to the latest close.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average | 1.4% | -0.5% | 1.9% | 0.1% | 0.5% | 3.1% | -0.8% | 3.7% | -0.7% | 1.1% | 3.4% | 2.1% |
| Months up | 5 of 10 | 4 of 10 | 7 of 10 | 4 of 10 | 7 of 10 | 6 of 10 | 3 of 10 | 7 of 10 | 4 of 10 | 6 of 10 | 6 of 9 | 7 of 9 |
| 2026 | 4.8% | 12.3% | -2.1% | -9.2% | 8.7% | 9.0% | 1.3% | 13.5% | -1.1% | 0.7% | ||
| 2025 | -0.7% | -6.6% | -1.9% | -5.1% | -9.8% | 4.1% | -1.3% | 7.7% | 0.8% | 2.4% | 21.9% | 1.3% |
| 2024 | 10.8% | 5.3% | 4.4% | -2.1% | -2.8% | -0.8% | -8.6% | 4.7% | -3.5% | -9.9% | -0.7% | -1.3% |
| 2023 | -3.2% | -1.1% | 0.8% | 8.5% | -4.4% | 5.2% | -7.6% | 2.2% | -4.9% | -0.2% | -0.2% | 7.2% |
| 2022 | 6.3% | -6.0% | 8.1% | 8.1% | 3.8% | -0.1% | -2.0% | -4.5% | 1.7% | 17.5% | 8.8% | 1.4% |
| 2021 | -5.8% | -5.8% | 7.1% | -3.4% | 1.9% | 8.3% | -1.2% | -0.8% | -0.7% | 17.2% | -14.9% | 3.3% |
| 2020 | -6.1% | -10.4% | 1.3% | 3.1% | 1.7% | -3.4% | 3.8% | 6.3% | -2.0% | -9.3% | 6.9% | 2.6% |
| 2019 | -2.6% | 9.2% | 3.0% | -5.4% | 0.6% | 6.6% | -1.0% | 4.2% | -2.0% | 2.9% | 0.6% | 5.0% |
| 2018 | 5.3% | -8.5% | 1.3% | 8.1% | 1.1% | 2.8% | 8.5% | 4.1% | 4.1% | 3.8% | 7.8% | -3.0% |
| 2017 | 5.3% | 6.3% | -2.8% | -1.9% | 4.5% | -0.8% | -0.3% | -0.0% | 1.0% | -14.0% | 0.3% | 2.7% |