MKSI
$279.15+2.92%
as of close, Oct 2, 2026
☾ AH $279.15 +2.92%
MKS Inc. monthly returns
MKS Inc. has averaged 1.60% per month, positive in 55% of months. Month-by-month returns for MKS Inc. (MKSI) below, through October 2, 2026 — the table lists the most recent months; the bar chart plots the last 5 years.
Average month
+1.6%
322 months
Best month
+51.6%
Jan 2001
Worst month
-35.6%
Jul 2000
Positive months
55%
of all months
MKS Inc. monthly returns#
| Month | Path | Total return |
|---|---|---|
| Oct 2026 | +5.2% | |
| Sep 2026 | +3.6% | |
| Aug 2026 | -13.8% | |
| Jul 2026 | -33.1% | |
| Jun 2026 | +37.3% | |
| May 2026 | +14.3% | |
| Apr 2026 | +23.5% | |
| Mar 2026 | -6.0% | |
| Feb 2026 | +3.9% | |
| Jan 2026 | +47.3% | |
| Dec 2025 | +2.2% | |
| Nov 2025 | +9.0% | |
| Oct 2025 | +16.1% | |
| Sep 2025 | +19.8% | |
| Aug 2025 | +8.8% | |
| Jul 2025 | -4.2% | |
| Jun 2025 | +20.9% | |
| May 2025 | +17.5% | |
| Apr 2025 | -12.5% | |
| Mar 2025 | -12.7% | |
| Feb 2025 | -18.8% | |
| Jan 2025 | +8.5% | |
| Dec 2024 | -8.1% | |
| Nov 2024 | +14.6% | |
| Oct 2024 | -8.6% | |
| Sep 2024 | -8.8% | |
| Aug 2024 | -5.1% | |
| Jul 2024 | -3.6% | |
| Jun 2024 | +3.2% | |
| May 2024 | +6.6% | |
| Apr 2024 | -10.5% | |
| Mar 2024 | +8.3% | |
| Feb 2024 | +15.5% | |
| Jan 2024 | +3.5% | |
| Dec 2023 | +24.6% | |
| Nov 2023 | +26.1% | |
| Oct 2023 | -24.1% | |
| Sep 2023 | -13.7% | |
| Aug 2023 | -8.0% | |
| Jul 2023 | +1.0% | |
| Jun 2023 | +11.1% | |
| May 2023 | +16.3% | |
| Apr 2023 | -5.4% | |
| Mar 2023 | -8.6% | |
| Feb 2023 | -5.0% | |
| Jan 2023 | +20.8% | |
| Dec 2022 | +1.0% | |
| Nov 2022 | +2.4% | |
| Oct 2022 | -0.6% | |
| Sep 2022 | -17.0% | |
| Aug 2022 | -15.6% | |
| Jul 2022 | +15.2% | |
| Jun 2022 | -16.9% | |
| May 2022 | +8.6% | |
| Apr 2022 | -24.0% | |
| Mar 2022 | -0.4% | |
| Feb 2022 | -2.9% | |
| Jan 2022 | -10.8% | |
| Dec 2021 | +14.5% | |
| Nov 2021 | +1.5% | |
| Oct 2021 | -0.6% | |
| Sep 2021 | +2.5% | |
| Aug 2021 | -5.8% | |
| Jul 2021 | -12.1% | |
| Jun 2021 | -5.5% | |
| May 2021 | +5.2% | |
| Apr 2021 | -3.4% | |
| Mar 2021 | +12.4% | |
| Feb 2021 | +4.5% | |
| Jan 2021 | +5.1% | |
| Dec 2020 | +9.0% | |
| Nov 2020 | +27.5% | |
| Oct 2020 | -0.8% | |
| Sep 2020 | -8.6% | |
| Aug 2020 | -6.1% | |
| Jul 2020 | +12.5% | |
| Jun 2020 | +7.2% | |
| May 2020 | +5.6% | |
| Apr 2020 | +23.1% | |
| Mar 2020 | -18.7% | |
| Feb 2020 | -4.3% | |
| Jan 2020 | -4.7% | |
| Dec 2019 | +3.5% | |
| Nov 2019 | -1.6% | |
| Oct 2019 | +17.3% | |
| Sep 2019 | +17.9% | |
| Aug 2019 | -7.8% | |
| Jul 2019 | +9.3% | |
| Jun 2019 | +9.0% | |
| May 2019 | -21.3% | |
| Apr 2019 | -2.2% | |
| Mar 2019 | +12.3% | |
| Feb 2019 | +1.8% | |
| Jan 2019 | +26.3% | |
| Dec 2018 | -17.7% | |
| Nov 2018 | +6.8% | |
| Oct 2018 | -8.1% | |
| Sep 2018 | -13.7% | |
| Aug 2018 | -1.3% | |
| Jul 2018 | -1.5% | |
| Jun 2018 | -14.7% | |
| May 2018 | +9.8% | |
| Apr 2018 | -11.5% | |
| Mar 2018 | +3.9% | |
| Feb 2018 | +9.0% | |
| Jan 2018 | +8.3% | |
| Dec 2017 | +0.2% | |
| Nov 2017 | -13.1% | |
| Oct 2017 | +15.0% | |
| Sep 2017 | +14.7% | |
| Aug 2017 | -1.3% | |
| Jul 2017 | +24.3% | |
| Jun 2017 | -17.7% | |
| May 2017 | +4.7% | |
| Apr 2017 | +13.8% | |
| Mar 2017 | +4.8% | |
| Feb 2017 | -0.2% | |
| Jan 2017 | +10.9% | |
| Dec 2016 | +3.2% | |
| Nov 2016 | +14.4% |
Monthly total return (since Nov 2021)#
-40%-20%0%20%40%
Nov 2021+1.5%
Dec 2021+14%
Jan 2022-11%2022
Feb 2022-2.9%
Mar 2022-0.4%
Apr 2022-24%
May 2022+8.6%
Jun 2022-17%
Jul 2022+15%
Aug 2022-16%
Sep 2022-17%
Oct 2022-0.59%
Nov 2022+2.4%
Dec 2022+1.0%
Jan 2023+21%2023
Feb 2023-5.0%
Mar 2023-8.6%
Apr 2023-5.4%
May 2023+16%
Jun 2023+11%
Jul 2023+0.99%
Aug 2023-8.0%
Sep 2023-14%
Oct 2023-24%
Nov 2023+26%
Dec 2023+25%
Jan 2024+3.5%2024
Feb 2024+16%
Mar 2024+8.3%
Apr 2024-11%
May 2024+6.6%
Jun 2024+3.2%
Jul 2024-3.6%
Aug 2024-5.1%
Sep 2024-8.8%
Oct 2024-8.6%
Nov 2024+15%
Dec 2024-8.1%
Jan 2025+8.5%2025
Feb 2025-19%
Mar 2025-13%
Apr 2025-12%
May 2025+17%
Jun 2025+21%
Jul 2025-4.2%
Aug 2025+8.8%
Sep 2025+20%
Oct 2025+16%
Nov 2025+9.0%
Dec 2025+2.2%
Jan 2026+47%2026
Feb 2026+3.9%
Mar 2026-6.0%
Apr 2026+23%
May 2026+14%
Jun 2026+37%
Jul 2026-33%
Aug 2026-14%
Sep 2026+3.6%
Oct 2026+5.2%
Methodology#
Monthly returns are total returns (dividends reinvested), computed from MKSI's split- and dividend-adjusted month-end closes. The table shows the most recent 120 months and the bar chart the most recent 60. See the year-by-year returns for the annual view. Past performance does not predict future returns; not investment advice.
FAQ#
- What is MKS Inc.'s average monthly return?
- MKS Inc. (MKSI) has averaged about 1.60% per month, positive in roughly 55% of months. The best month was Jan 2001 (+51.6%) and the worst was Jul 2000 (-35.6%).
More on MKS Inc.
By month for: S&P 500 · S&P 500 Equal Weight · US Stock Market · Nasdaq-100