MKS Inc. (MKSI)
NASDAQ: MKSI · Real-Time Price · USD
293.30
+35.69 (13.85%)
At close: Jul 30, 2026, 4:00 PM EDT
302.95
+9.65 (3.29%)
After-hours: Jul 30, 2026, 7:55 PM EDT

MKS Inc. Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Jul 30, 2026288.80297.57284.78293.30293.3013.85%3,020,035
Jul 29, 2026280.97290.51256.16257.61257.61-9.71%2,506,261
Jul 28, 2026296.31296.91277.01285.31285.31-9.63%1,980,095
Jul 27, 2026330.15334.00298.38315.70315.70-4.10%1,390,314
Jul 24, 2026341.09345.13326.08329.18329.18-4.67%848,255
Jul 23, 2026338.49348.43336.74345.30345.300.13%749,472
Jul 22, 2026330.74349.02328.43344.84344.84-0.17%798,854
Jul 21, 2026347.28347.45333.72345.44345.446.53%1,106,267
Jul 20, 2026330.88338.98322.75324.28324.28-0.13%811,787
Jul 17, 2026315.02330.61307.10324.69324.69-2.20%1,891,859
Jul 16, 2026336.12349.07327.38332.00332.00-6.16%1,110,589
Jul 15, 2026366.49374.12336.76353.80353.80-1.29%1,402,572
Jul 14, 2026373.21373.21353.20358.43358.431.82%826,487
Jul 13, 2026352.51358.48346.07352.03352.03-4.49%849,532
Jul 10, 2026357.94371.44355.00368.58368.58-0.05%832,201
Jul 9, 2026370.14380.50366.27368.78368.785.55%1,247,787
Jul 8, 2026341.50358.21341.50349.39349.39-0.05%1,224,498
Jul 7, 2026342.86353.00329.01349.57349.57-5.02%1,833,870
Jul 6, 2026375.84385.58364.67368.06368.060.68%1,274,112
Jul 2, 2026408.00408.92355.08365.56365.56-11.07%2,165,817
Jul 1, 2026424.61428.97406.68411.05411.05-7.59%1,536,042
Jun 30, 2026425.78447.62418.48444.80444.806.92%2,230,535
Jun 29, 2026393.18419.95384.74416.00416.007.05%2,105,903
Jun 26, 2026394.14401.05385.00388.61388.61-5.29%2,025,794
Jun 25, 2026408.00414.64383.38410.31410.317.52%2,437,821
Jun 24, 2026390.54395.75376.83381.62381.62-1.94%1,804,663
Jun 23, 2026388.69394.47382.56389.17389.17-7.46%1,641,092
Jun 22, 2026413.50421.58407.00420.56420.563.49%1,547,005
Jun 18, 2026386.56408.87382.00406.37406.379.46%2,127,039
Jun 17, 2026383.99386.01369.85371.26371.261.35%1,196,916
Jun 16, 2026375.00379.99365.36366.31366.31-2.40%1,090,149
Jun 15, 2026367.88377.66367.88375.32375.325.52%915,164
Jun 12, 2026345.32359.35341.45355.69355.693.00%961,425
Jun 11, 2026326.74347.27326.10345.32345.329.25%1,005,552
Jun 10, 2026317.42333.69310.36316.07316.07-1.52%1,270,123
Jun 9, 2026320.44332.01298.00320.96320.962.84%1,205,404
Jun 8, 2026314.99339.92309.03312.09312.093.46%1,099,657
Jun 5, 2026315.23318.88300.11301.65301.65-8.65%955,719
Jun 4, 2026321.01335.83318.01330.23330.23-1.47%679,273
Jun 3, 2026339.40341.81326.81335.15335.151.22%716,706
Jun 2, 2026324.36334.49320.38331.36331.114.33%1,125,569
Jun 1, 2026318.02319.31309.46317.62317.38-2.05%1,037,103
May 29, 2026325.99329.75317.16324.26324.020.26%1,204,480
May 28, 2026327.41330.26316.35323.41323.17-1.40%1,106,907
May 27, 2026338.58339.00321.45328.01327.76-1.83%911,291
May 26, 2026330.50334.80326.45334.11333.864.21%861,070
May 22, 2026315.48322.00311.75320.62320.382.38%835,816
May 21, 2026311.51314.04307.18313.16312.920.53%1,361,932
May 20, 2026302.00312.74300.09311.51311.275.94%1,129,951
May 19, 2026289.56294.27280.83294.04293.82-0.56%1,495,004