MKS Inc. (MKSI)
NASDAQ: MKSI · Real-Time Price · USD
209.57
+17.30 (9.00%)
Nov 9, 2026, 1:59 PM EST - Market open
MKS Inc. Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Nov 9, 2026 | 198.97 | 211.31 | 197.10 | 209.57 | 209.57 | 9.00% | 1,252,205 |
| Nov 6, 2026 | 195.67 | 196.25 | 184.22 | 192.27 | 192.27 | 8.74% | 2,616,284 |
| Nov 5, 2026 | 190.03 | 194.90 | 173.14 | 176.82 | 176.82 | -9.30% | 3,481,083 |
| Nov 4, 2026 | 200.20 | 204.79 | 190.55 | 194.95 | 194.95 | -4.99% | 2,498,471 |
| Nov 3, 2026 | 205.35 | 213.41 | 202.90 | 205.18 | 205.18 | 4.40% | 1,655,055 |
| Nov 2, 2026 | 204.31 | 207.87 | 195.71 | 196.54 | 196.54 | -2.72% | 1,294,781 |
| Oct 30, 2026 | 200.99 | 206.85 | 196.20 | 202.04 | 202.04 | -6.54% | 1,384,854 |
| Oct 29, 2026 | 216.67 | 222.30 | 214.50 | 216.17 | 216.17 | -0.95% | 769,994 |
| Oct 28, 2026 | 218.68 | 220.41 | 214.35 | 218.24 | 218.24 | 2.87% | 972,914 |
| Oct 27, 2026 | 206.78 | 212.71 | 204.09 | 212.16 | 212.16 | 4.88% | 1,010,880 |
| Oct 26, 2026 | 198.75 | 205.33 | 197.03 | 202.28 | 202.28 | 2.92% | 1,051,788 |
| Oct 23, 2026 | 193.99 | 200.19 | 192.01 | 196.55 | 196.55 | 0.22% | 1,146,075 |
| Oct 22, 2026 | 204.01 | 205.18 | 193.21 | 196.11 | 196.11 | -9.25% | 2,561,438 |
| Oct 21, 2026 | 220.69 | 220.69 | 213.19 | 216.10 | 216.10 | 2.35% | 1,354,080 |
| Oct 20, 2026 | 210.57 | 216.82 | 205.62 | 211.14 | 211.14 | -1.98% | 1,159,537 |
| Oct 19, 2026 | 221.51 | 223.49 | 215.09 | 215.41 | 215.41 | 0.27% | 1,349,230 |
| Oct 16, 2026 | 224.40 | 225.79 | 213.95 | 214.83 | 214.83 | -5.99% | 1,601,471 |
| Oct 15, 2026 | 224.32 | 230.57 | 212.35 | 228.52 | 228.52 | -2.55% | 2,565,727 |
| Oct 14, 2026 | 241.02 | 244.54 | 232.20 | 234.50 | 234.50 | -5.28% | 1,684,150 |
| Oct 13, 2026 | 242.35 | 249.52 | 238.14 | 247.56 | 247.56 | -0.94% | 1,685,115 |
| Oct 12, 2026 | 261.18 | 261.18 | 249.81 | 249.91 | 249.91 | -5.52% | 1,365,006 |
| Oct 9, 2026 | 266.09 | 267.96 | 256.65 | 264.50 | 264.50 | 1.58% | 636,479 |
| Oct 8, 2026 | 266.69 | 274.07 | 257.60 | 260.38 | 260.38 | -4.68% | 1,275,372 |
| Oct 7, 2026 | 271.72 | 274.99 | 269.11 | 273.15 | 273.15 | -2.94% | 1,014,275 |
| Oct 6, 2026 | 285.40 | 286.38 | 276.56 | 281.41 | 281.41 | 0.32% | 1,055,883 |
| Oct 5, 2026 | 279.79 | 284.21 | 273.60 | 280.50 | 280.50 | 0.48% | 1,125,351 |
| Oct 2, 2026 | 284.10 | 284.63 | 278.91 | 279.15 | 279.15 | 2.92% | 1,349,405 |
| Oct 1, 2026 | 265.57 | 275.48 | 262.77 | 271.24 | 271.24 | 2.22% | 1,336,907 |
| Sep 30, 2026 | 267.82 | 268.00 | 260.23 | 265.36 | 265.36 | -0.25% | 751,302 |
| Sep 29, 2026 | 264.18 | 266.28 | 261.36 | 266.02 | 266.02 | 2.96% | 807,535 |
| Sep 28, 2026 | 259.56 | 259.69 | 251.19 | 258.38 | 258.38 | -0.94% | 1,095,215 |
| Sep 25, 2026 | 261.01 | 262.66 | 257.90 | 260.82 | 260.82 | 1.10% | 683,394 |
| Sep 24, 2026 | 256.64 | 259.82 | 254.21 | 257.98 | 257.98 | -1.80% | 695,452 |
| Sep 23, 2026 | 260.37 | 263.78 | 253.41 | 262.72 | 262.72 | 0.90% | 1,534,322 |
| Sep 22, 2026 | 253.50 | 260.66 | 252.60 | 260.37 | 260.37 | 1.34% | 2,709,586 |
| Sep 21, 2026 | 258.20 | 259.00 | 251.79 | 256.92 | 256.92 | 1.92% | 948,161 |
| Sep 18, 2026 | 244.03 | 252.38 | 243.00 | 252.08 | 252.08 | 4.93% | 2,231,364 |
| Sep 17, 2026 | 245.50 | 250.84 | 238.45 | 240.23 | 240.23 | 2.10% | 1,026,777 |
| Sep 16, 2026 | 237.80 | 240.48 | 232.03 | 235.28 | 235.28 | 1.63% | 960,065 |
| Sep 15, 2026 | 242.60 | 242.60 | 228.46 | 231.50 | 231.50 | -3.25% | 1,632,355 |
| Sep 14, 2026 | 248.32 | 250.49 | 238.29 | 239.27 | 239.27 | -10.49% | 1,175,742 |
| Sep 11, 2026 | 267.86 | 270.29 | 264.74 | 267.31 | 267.31 | 2.09% | 1,247,889 |
| Sep 10, 2026 | 260.83 | 265.60 | 258.79 | 261.84 | 261.84 | -2.32% | 961,346 |
| Sep 9, 2026 | 262.34 | 269.78 | 262.34 | 268.05 | 268.05 | 0.96% | 1,201,869 |
| Sep 8, 2026 | 264.06 | 270.17 | 260.35 | 265.50 | 265.50 | 1.99% | 1,752,638 |
| Sep 4, 2026 | 255.14 | 260.94 | 253.97 | 260.31 | 260.31 | 4.27% | 1,689,425 |
| Sep 3, 2026 | 247.10 | 250.78 | 241.51 | 249.65 | 249.65 | -0.69% | 1,137,004 |
| Sep 2, 2026 | 247.30 | 252.98 | 245.90 | 251.38 | 251.38 | 2.00% | 1,089,962 |
| Sep 1, 2026 | 250.96 | 252.09 | 243.72 | 246.44 | 246.44 | -3.82% | 1,644,232 |
| Aug 31, 2026 | 258.38 | 259.38 | 254.48 | 256.24 | 256.24 | 0.19% | 977,647 |