MKSI: MKS Instruments Inc.

As of Tuesday, September 15th, 2026

$ 231.50

-7.77 -3.25%

Open: 242.60
High: 242.60
Low: 228.46
Volume: 1,632,221
Previous Close on Monday, September 14th, 2026

$ 239.27

-28.04 -10.49%

Open: 248.32
High: 250.49
Low: 238.29
Volume: 1,173,550

Historical Data

Date Open High Low Close Volume Chg %Chg
2026-09-15 242.60 242.60 228.46 231.50 1,632,220 -7.77 -3.25
2026-09-14 248.32 250.49 238.29 239.27 1,173,550 -28.04 -10.49
2026-09-11 267.86 270.29 264.74 267.31 1,242,810 +5.47 +2.09
2026-09-10 260.83 265.60 258.79 261.84 961,319 -6.21 -2.32
2026-09-09 262.34 269.78 262.34 268.05 1,201,831 +2.55 +0.96
2026-09-08 264.06 270.17 260.35 265.50 1,752,625 +5.32 +2.04
2026-09-04 255.14 260.94 253.97 260.19 1,566,466 +10.54 +4.22
2026-09-03 247.10 250.78 241.51 249.65 1,134,707 -1.73 -0.69
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Metrics and Technicals

Period High Low Chg %Chg Max Drawdown SMA
Peak Trough %Loss
Period High Low Chg %Chg MDD SMA
5D 270.29
On 2026-09-11		 228.46
On 2026-09-15		 -34.00 -12.81 270.29
On 2026-09-11		 228.46
On 2026-09-15		 -15.48 253.59
10D 270.29
On 2026-09-11		 228.46
On 2026-09-15		 -24.74 -9.66 270.29
On 2026-09-11		 228.46
On 2026-09-15		 -15.48 254.11
20D 309.14
On 2026-08-18		 228.46
On 2026-09-15		 -89.24 -27.82 309.14
On 2026-08-18		 228.46
On 2026-09-15		 -26.10 263.91
WTD 250.49
On 2026-09-14		 228.46
On 2026-09-15		 -35.81 -13.40 250.49
On 2026-09-14		 228.46
On 2026-09-15		 -8.79 235.39
MTD 270.29
On 2026-09-11		 228.46
On 2026-09-15		 -24.74 -9.66 270.29
On 2026-09-11		 228.46
On 2026-09-15		 -15.48 254.11
As of Tuesday, September 15th, 2026
 
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Recent
Ticker Last Chg %Chg Volume
MKSI

MKS Instruments Inc.

231.50 -7.77 -3.25 1,632,221