MKS Inc. (MKSI)
NASDAQ: MKSI · Real-Time Price · USD
203.99
-1.27 (-0.62%)
At close: Jan 16, 2026, 4:00 PM EST
202.24
-1.75 (-0.86%)
After-hours: Jan 16, 2026, 7:14 PM EST
MKS Inc. Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Jan 16, 2026 | 209.37 | 210.42 | 200.14 | 203.99 | 203.99 | -0.62% | 1,597,572 |
| Jan 15, 2026 | 205.00 | 211.08 | 202.32 | 205.26 | 205.26 | 7.86% | 1,999,400 |
| Jan 14, 2026 | 190.86 | 192.82 | 186.58 | 190.30 | 190.30 | -1.54% | 841,975 |
| Jan 13, 2026 | 187.85 | 193.39 | 185.00 | 193.28 | 193.28 | 3.96% | 1,132,718 |
| Jan 12, 2026 | 183.40 | 188.71 | 183.40 | 185.92 | 185.92 | -0.09% | 607,780 |
| Jan 9, 2026 | 180.68 | 186.71 | 180.52 | 186.08 | 186.08 | 3.97% | 640,358 |
| Jan 8, 2026 | 181.00 | 181.00 | 174.09 | 178.98 | 178.98 | -2.31% | 532,084 |
| Jan 7, 2026 | 180.31 | 183.33 | 179.57 | 183.22 | 183.22 | -0.15% | 646,732 |
| Jan 6, 2026 | 177.34 | 185.09 | 177.34 | 183.50 | 183.50 | 4.15% | 1,045,871 |
| Jan 5, 2026 | 172.05 | 176.37 | 170.76 | 176.19 | 176.19 | 4.65% | 1,062,354 |
| Jan 2, 2026 | 164.54 | 169.54 | 164.54 | 168.36 | 168.36 | 5.36% | 881,574 |
| Dec 31, 2025 | 162.11 | 162.43 | 159.56 | 159.80 | 159.80 | -1.25% | 536,136 |
| Dec 30, 2025 | 163.15 | 163.84 | 161.60 | 161.82 | 161.82 | -0.61% | 417,294 |
| Dec 29, 2025 | 162.04 | 163.70 | 160.74 | 162.81 | 162.81 | -0.84% | 332,856 |
| Dec 26, 2025 | 164.45 | 164.87 | 162.68 | 164.19 | 164.19 | 0.48% | 285,211 |
| Dec 24, 2025 | 163.06 | 164.40 | 161.13 | 163.40 | 163.40 | 0.29% | 197,067 |
| Dec 23, 2025 | 160.30 | 164.03 | 160.00 | 162.92 | 162.92 | 0.57% | 850,574 |
| Dec 22, 2025 | 162.49 | 163.50 | 160.02 | 161.99 | 161.99 | 1.52% | 697,586 |
| Dec 19, 2025 | 157.61 | 161.08 | 157.61 | 159.56 | 159.56 | 1.62% | 1,210,448 |
| Dec 18, 2025 | 155.36 | 158.28 | 153.55 | 157.01 | 157.01 | 5.59% | 1,291,173 |
| Dec 17, 2025 | 157.67 | 158.25 | 146.90 | 148.70 | 148.70 | -4.83% | 1,313,531 |
| Dec 16, 2025 | 159.62 | 160.78 | 154.19 | 156.25 | 156.25 | -1.92% | 859,828 |
| Dec 15, 2025 | 159.26 | 160.55 | 156.93 | 159.31 | 159.31 | 2.27% | 1,005,642 |
| Dec 12, 2025 | 164.37 | 165.89 | 153.12 | 155.77 | 155.77 | -6.61% | 1,442,018 |
| Dec 11, 2025 | 166.49 | 168.49 | 163.00 | 166.80 | 166.80 | -0.64% | 716,838 |
| Dec 10, 2025 | 165.05 | 170.37 | 164.83 | 167.88 | 167.88 | 1.63% | 929,236 |
| Dec 9, 2025 | 164.15 | 166.95 | 162.65 | 165.19 | 165.19 | 0.48% | 947,039 |
| Dec 8, 2025 | 164.82 | 167.27 | 162.78 | 164.40 | 164.40 | 0.90% | 669,008 |
| Dec 5, 2025 | 165.00 | 165.95 | 162.15 | 162.94 | 162.94 | -0.25% | 809,059 |
| Dec 4, 2025 | 161.44 | 164.06 | 160.56 | 163.35 | 163.35 | -0.03% | 843,636 |
| Dec 3, 2025 | 161.25 | 164.79 | 158.88 | 163.40 | 163.40 | 1.51% | 877,775 |
| Dec 2, 2025 | 158.81 | 162.85 | 156.87 | 160.97 | 160.97 | 3.23% | 1,005,876 |
| Dec 1, 2025 | 155.96 | 158.70 | 154.00 | 155.94 | 155.94 | -0.29% | 1,000,977 |
| Nov 28, 2025 | 153.11 | 156.49 | 152.00 | 156.39 | 156.39 | 2.87% | 304,194 |
| Nov 26, 2025 | 150.76 | 154.36 | 148.64 | 152.02 | 152.02 | 2.03% | 523,767 |
| Nov 25, 2025 | 149.12 | 150.39 | 145.03 | 149.00 | 149.00 | -0.63% | 874,479 |
| Nov 24, 2025 | 144.00 | 150.76 | 144.00 | 149.95 | 149.95 | 4.13% | 715,366 |
| Nov 21, 2025 | 138.24 | 144.45 | 134.74 | 144.00 | 143.78 | 3.98% | 823,197 |
| Nov 20, 2025 | 149.47 | 149.47 | 137.95 | 138.49 | 138.28 | -3.73% | 1,185,066 |
| Nov 19, 2025 | 142.22 | 147.29 | 141.00 | 143.86 | 143.64 | 2.48% | 902,870 |
| Nov 18, 2025 | 139.29 | 144.62 | 137.03 | 140.38 | 140.17 | -0.94% | 821,806 |
| Nov 17, 2025 | 141.16 | 145.17 | 138.74 | 141.71 | 141.49 | -0.72% | 845,373 |
| Nov 14, 2025 | 138.76 | 146.21 | 138.36 | 142.74 | 142.52 | -0.95% | 830,440 |
| Nov 13, 2025 | 151.84 | 152.50 | 140.99 | 144.11 | 143.89 | -5.91% | 1,244,843 |
| Nov 12, 2025 | 156.00 | 157.04 | 151.47 | 153.17 | 152.94 | 0.35% | 842,575 |
| Nov 11, 2025 | 158.03 | 158.03 | 152.00 | 152.63 | 152.40 | -3.95% | 855,960 |
| Nov 10, 2025 | 158.50 | 160.18 | 154.74 | 158.90 | 158.66 | 2.65% | 1,248,695 |
| Nov 7, 2025 | 152.80 | 155.79 | 145.27 | 154.80 | 154.56 | -0.29% | 1,522,321 |
| Nov 6, 2025 | 147.23 | 157.23 | 146.53 | 155.25 | 155.01 | 10.96% | 2,012,042 |
| Nov 5, 2025 | 139.56 | 144.31 | 138.17 | 139.92 | 139.71 | 1.98% | 1,621,643 |