MKS Instruments Inc (MKSI) Historical Stock Data
164.40 ↑1.46 (0.90%)
As of December 31, 1969, 7:00pm EST.
Historical Data
In the past 30 trading days, MKSI is up 0.11% a day on average. There have been 17 days where MKS Instruments Inc closed green and 13 days where MKSI closed red.
| Date | Open | Close | Change | Low | High | Volume |
|---|---|---|---|---|---|---|
| 2025-12-08 | 164.82 | 164.40 | ↓$0.42 (-0.25%) | 162.78 | 167.27 | 669K |
| 2025-12-05 | 165.00 | 162.94 | ↓$2.06 (-1.25%) | 162.15 | 165.95 | 809.06K |
| 2025-12-04 | 161.44 | 163.35 | ↑$1.91 (1.18%) | 160.56 | 164.06 | 843.63K |
| 2025-12-03 | 161.25 | 163.40 | ↑$2.15 (1.33%) | 158.88 | 164.79 | 877.78K |
| 2025-12-02 | 158.81 | 160.97 | ↑$2.16 (1.36%) | 156.87 | 162.85 | 1.01M |
| 2025-12-01 | 155.96 | 155.94 | ↓$0.02 (-0.01%) | 154.00 | 158.70 | 1M |
| 2025-11-28 | 153.11 | 156.39 | ↑$3.28 (2.14%) | 152.00 | 156.49 | 304.19K |
| 2025-11-26 | 150.76 | 152.02 | ↑$1.26 (0.84%) | 148.64 | 154.36 | 523.77K |
| 2025-11-25 | 149.12 | 149.00 | ↓$0.12 (-0.08%) | 145.03 | 150.39 | 874.48K |
| 2025-11-24 | 144.00 | 149.95 | ↑$5.95 (4.13%) | 144.00 | 150.76 | 715.37K |
| 2025-11-21 | 138.24 | 144.00 | ↑$5.76 (4.17%) | 134.74 | 144.45 | 823.20K |
| 2025-11-20 | 149.47 | 138.49 | ↓$10.98 (-7.35%) | 137.95 | 149.47 | 1.19M |
| 2025-11-19 | 142.22 | 143.86 | ↑$1.64 (1.15%) | 141.00 | 147.29 | 0.90M |
| 2025-11-18 | 139.29 | 140.38 | ↑$1.09 (0.78%) | 137.03 | 144.62 | 821.81K |
| 2025-11-17 | 141.16 | 141.71 | ↑$0.55 (0.39%) | 138.74 | 145.17 | 845.37K |
| 2025-11-14 | 138.76 | 142.74 | ↑$3.98 (2.87%) | 138.36 | 146.21 | 830.44K |
| 2025-11-13 | 151.84 | 144.11 | ↓$7.73 (-5.09%) | 140.99 | 152.50 | 1.24M |
| 2025-11-12 | 156.00 | 153.17 | ↓$2.83 (-1.81%) | 151.47 | 157.04 | 842.58K |
| 2025-11-11 | 158.03 | 152.63 | ↓$5.40 (-3.42%) | 152.00 | 158.03 | 855.96K |
| 2025-11-10 | 158.50 | 158.90 | ↑$0.40 (0.25%) | 154.74 | 160.18 | 1.25M |
| 2025-11-07 | 152.80 | 154.80 | ↑$2.01 (1.31%) | 145.27 | 155.79 | 1.52M |
| 2025-11-06 | 147.23 | 155.25 | ↑$8.02 (5.45%) | 146.53 | 157.23 | 2.01M |
| 2025-11-05 | 139.56 | 139.92 | ↑$0.36 (0.26%) | 138.17 | 144.31 | 1.62M |
| 2025-11-04 | 139.73 | 137.20 | ↓$2.53 (-1.81%) | 136.95 | 142.11 | 1.17M |
| 2025-11-03 | 143.93 | 145.47 | ↑$1.54 (1.07%) | 142.20 | 146.81 | 0.95M |
| 2025-10-31 | 141.00 | 143.71 | ↑$2.71 (1.92%) | 140.00 | 144.80 | 0.99M |
| 2025-10-30 | 141.39 | 139.31 | ↓$2.08 (-1.47%) | 138.55 | 142.73 | 0.92M |
| 2025-10-29 | 144.00 | 141.40 | ↓$2.60 (-1.81%) | 139.86 | 146.00 | 1.66M |
| 2025-10-28 | 143.54 | 140.48 | ↓$3.06 (-2.13%) | 140.26 | 143.66 | 769.29K |
| 2025-10-27 | 146.16 | 145.01 | ↓$1.15 (-0.79%) | 144.95 | 147.31 | 846.34K |
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$MKSI not worrying
$MKSI buy more doomers!!!
$MKSI Who else bought the dip on Friday?
$MKSI lmfao
lfg babies
$MKSI Waiting waiting waiting — you know for what !!! Announcement!!!
$MKSI whelp. you win this round. goodluck
$MKSI has just been halted from trading due to volatility.
$MKSI has just been halted from trading due to volatility.
$MKSI who else finds themselves here after liquidating their positions for a loss only to bash on how seriously fcked up the stock market is
$MKSI futs ripping