MKS Inc. (MKSI)
NASDAQ: MKSI · Real-Time Price · USD
228.08
-8.77 (-3.70%)
Mar 20, 2026, 11:13 AM EDT - Market open
MKS Inc. Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Mar 20, 2026 | 235.70 | 237.95 | 228.50 | 229.74 | - | -3.00% | 199,116 |
| Mar 19, 2026 | 224.32 | 239.36 | 220.14 | 236.85 | 236.85 | 1.48% | 1,410,962 |
| Mar 18, 2026 | 231.21 | 235.25 | 228.23 | 233.39 | 233.39 | 1.97% | 1,224,527 |
| Mar 17, 2026 | 223.20 | 230.62 | 220.74 | 228.89 | 228.89 | 3.12% | 996,553 |
| Mar 16, 2026 | 218.99 | 227.46 | 217.92 | 221.96 | 221.96 | 3.99% | 1,522,577 |
| Mar 13, 2026 | 216.69 | 224.72 | 212.08 | 213.45 | 213.45 | -0.02% | 756,176 |
| Mar 12, 2026 | 218.93 | 220.71 | 211.09 | 213.49 | 213.49 | -4.81% | 1,524,617 |
| Mar 11, 2026 | 222.97 | 230.98 | 221.50 | 224.27 | 224.27 | -0.45% | 1,051,127 |
| Mar 10, 2026 | 220.33 | 233.42 | 220.09 | 225.28 | 225.28 | 3.17% | 1,221,718 |
| Mar 9, 2026 | 203.88 | 220.54 | 200.50 | 218.36 | 218.36 | 3.98% | 2,051,404 |
| Mar 6, 2026 | 220.33 | 224.29 | 208.95 | 210.00 | 210.00 | -8.87% | 1,783,188 |
| Mar 5, 2026 | 230.03 | 238.35 | 223.19 | 230.45 | 230.45 | -2.03% | 1,333,086 |
| Mar 4, 2026 | 237.16 | 239.98 | 231.62 | 235.23 | 235.23 | 1.15% | 1,137,856 |
| Mar 3, 2026 | 235.64 | 239.26 | 228.56 | 232.56 | 232.56 | -4.79% | 1,407,639 |
| Mar 2, 2026 | 239.44 | 246.98 | 238.00 | 244.26 | 244.26 | -0.08% | 1,069,596 |
| Feb 27, 2026 | 239.00 | 245.00 | 237.91 | 244.46 | 244.46 | -0.09% | 1,862,043 |
| Feb 26, 2026 | 255.01 | 256.77 | 238.88 | 244.68 | 244.68 | -4.39% | 2,139,711 |
| Feb 25, 2026 | 256.68 | 258.86 | 252.33 | 255.91 | 255.91 | 1.79% | 1,097,665 |
| Feb 24, 2026 | 255.00 | 258.00 | 249.06 | 251.41 | 251.41 | -0.91% | 1,359,576 |
| Feb 23, 2026 | 258.98 | 260.68 | 248.62 | 253.71 | 253.71 | -2.14% | 895,720 |
| Feb 20, 2026 | 247.55 | 263.36 | 247.00 | 259.27 | 259.02 | 4.09% | 1,950,303 |
| Feb 19, 2026 | 251.86 | 254.76 | 245.15 | 249.08 | 248.84 | -0.51% | 1,447,620 |
| Feb 18, 2026 | 243.38 | 261.00 | 242.20 | 250.36 | 250.12 | -4.78% | 3,024,164 |
| Feb 17, 2026 | 257.68 | 269.91 | 253.20 | 262.94 | 262.69 | 0.84% | 3,505,418 |
| Feb 13, 2026 | 249.26 | 263.90 | 248.56 | 260.74 | 260.49 | 4.54% | 1,663,240 |
| Feb 12, 2026 | 261.01 | 264.45 | 247.50 | 249.42 | 249.18 | -3.72% | 1,343,029 |
| Feb 11, 2026 | 257.90 | 266.08 | 252.39 | 259.05 | 258.80 | 2.59% | 2,237,726 |
| Feb 10, 2026 | 258.35 | 259.70 | 246.10 | 252.52 | 252.28 | 0.77% | 1,641,155 |
| Feb 9, 2026 | 241.71 | 251.99 | 239.36 | 250.60 | 250.36 | 3.14% | 1,336,270 |
| Feb 6, 2026 | 231.91 | 244.06 | 231.34 | 242.96 | 242.73 | 7.11% | 1,510,410 |
| Feb 5, 2026 | 216.77 | 230.36 | 213.49 | 226.83 | 226.61 | 3.10% | 1,785,186 |
| Feb 4, 2026 | 232.26 | 237.93 | 212.91 | 220.00 | 219.79 | -4.17% | 2,359,265 |
| Feb 3, 2026 | 239.76 | 241.18 | 225.82 | 229.58 | 229.36 | -1.71% | 1,941,857 |
| Feb 2, 2026 | 231.71 | 242.18 | 228.00 | 233.57 | 233.34 | -0.78% | 3,561,832 |
| Jan 30, 2026 | 238.95 | 245.96 | 233.09 | 235.41 | 235.18 | -3.47% | 1,518,398 |
| Jan 29, 2026 | 238.64 | 246.35 | 235.86 | 243.88 | 243.64 | 3.32% | 2,639,034 |
| Jan 28, 2026 | 233.62 | 239.39 | 231.34 | 236.05 | 235.82 | 2.81% | 2,885,329 |
| Jan 27, 2026 | 221.16 | 232.81 | 220.50 | 229.60 | 229.38 | 4.98% | 2,247,165 |
| Jan 26, 2026 | 217.73 | 220.49 | 215.17 | 218.70 | 218.49 | 0.76% | 1,048,877 |
| Jan 23, 2026 | 223.00 | 223.00 | 214.08 | 217.06 | 216.85 | -2.66% | 1,317,822 |
| Jan 22, 2026 | 230.33 | 233.11 | 216.31 | 223.00 | 222.78 | 1.03% | 1,885,228 |
| Jan 21, 2026 | 215.96 | 221.07 | 210.91 | 220.73 | 220.52 | 4.78% | 1,957,896 |
| Jan 20, 2026 | 200.44 | 212.59 | 200.00 | 210.66 | 210.46 | 3.27% | 1,799,516 |
| Jan 16, 2026 | 209.37 | 210.42 | 200.14 | 203.99 | 203.79 | -0.62% | 1,611,991 |
| Jan 15, 2026 | 205.00 | 211.08 | 202.32 | 205.26 | 205.06 | 7.86% | 2,046,466 |
| Jan 14, 2026 | 190.86 | 192.82 | 186.58 | 190.30 | 190.12 | -1.54% | 845,013 |
| Jan 13, 2026 | 187.85 | 193.39 | 185.00 | 193.28 | 193.09 | 3.96% | 1,134,467 |
| Jan 12, 2026 | 183.40 | 188.71 | 183.40 | 185.92 | 185.74 | -0.09% | 610,021 |
| Jan 9, 2026 | 180.68 | 186.71 | 180.52 | 186.08 | 185.90 | 3.97% | 640,453 |
| Jan 8, 2026 | 181.00 | 181.00 | 174.09 | 178.98 | 178.81 | -2.31% | 532,084 |