MKS Inc. (MKSI)
Tech Top 100 · Information Technology · data since 1999-03-30 · last close 2026-07-24
1d
-4.67%
7d
+1.38%
30d
-13.74%
YTD
+106.35%
1y
+232.47%
MKS Inc. (MKSI) monthly returns (%)
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 47.3 | 3.9 | -6.0 | 23.5 | 14.3 | 37.3 | -26.0 | · | · | · | · | · |
| 2025 | 8.5 | -18.8 | -12.7 | -12.5 | 17.5 | 20.9 | -4.2 | 8.8 | 19.8 | 16.1 | 9.0 | 2.2 |
| 2024 | 3.5 | 15.5 | 8.3 | -10.5 | 6.6 | 3.1 | -3.6 | -5.1 | -8.8 | -8.6 | 14.6 | -8.1 |
| 2023 | 20.8 | -5.0 | -8.6 | -5.4 | 16.3 | 11.1 | 1.0 | -8.0 | -13.7 | -24.1 | 26.1 | 24.6 |
| 2022 | -10.8 | -2.9 | -0.4 | -24.0 | 8.6 | -16.9 | 15.2 | -15.6 | -17.0 | -0.6 | 2.4 | 1.0 |
| 2021 | 5.1 | 4.5 | 12.4 | -3.4 | 5.2 | -5.5 | -12.1 | -5.8 | 2.5 | -0.6 | 1.5 | 14.5 |
| 2020 | -4.7 | -4.3 | -18.7 | 23.1 | 5.6 | 7.2 | 12.5 | -6.0 | -8.6 | -0.8 | 27.5 | 9.0 |
| 2019 | 26.3 | 1.8 | 12.3 | -2.2 | -21.3 | 9.0 | 9.3 | -7.8 | 17.9 | 17.3 | -1.6 | 3.5 |
| 2018 | 8.3 | 9.0 | 3.9 | -11.5 | 9.8 | -14.7 | -1.5 | -1.3 | -13.7 | -8.1 | 6.8 | -17.6 |
| 2017 | 10.9 | -0.2 | 4.8 | 13.8 | 4.7 | -17.7 | 24.3 | -1.3 | 14.7 | 15.0 | -13.1 | 0.2 |
| 2016 | -1.6 | -6.7 | 14.4 | -4.8 | 14.8 | 5.1 | 6.1 | 7.1 | 2.0 | 1.4 | 14.4 | 3.2 |
| 2015 | -4.3 | 1.5 | -4.4 | 3.0 | 8.8 | 0.6 | -6.4 | -4.6 | -0.5 | 5.1 | 5.1 | -2.4 |
| 2014 | 0.7 | 0.3 | -0.6 | -5.8 | 3.1 | 8.3 | 1.7 | 7.3 | -1.6 | 9.1 | 0.6 | 0.4 |
| 2013 | 7.8 | -1.8 | 0.2 | -1.2 | 5.4 | -5.7 | 2.2 | -7.0 | 6.2 | 11.5 | 1.0 | 0.5 |
| 2012 | 8.4 | -0.2 | -1.4 | -6.4 | -4.9 | 10.4 | -8.5 | 3.3 | -6.0 | -7.4 | 3.4 | 6.3 |
| 2011 | 17.2 | 5.1 | 10.9 | -14.8 | -6.8 | 0.5 | -5.6 | -6.3 | -6.5 | 22.7 | 1.4 | 3.6 |
| 2010 | -4.6 | 8.6 | 8.7 | 15.8 | -12.4 | -5.7 | 14.6 | -19.6 | 4.2 | 14.8 | -1.4 | 20.3 |
| 2009 | -5.0 | -10.4 | 16.5 | 6.7 | -13.9 | -2.5 | 47.4 | -4.8 | 4.7 | -18.9 | -3.1 | 14.8 |
| 2008 | -2.8 | 8.0 | 6.5 | 6.8 | 3.1 | -7.0 | -5.9 | 9.4 | -11.7 | -6.8 | -22.9 | 3.4 |
| 2007 | -3.1 | 10.3 | 5.8 | 5.6 | 1.1 | 1.6 | -18.1 | -2.9 | -13.7 | 5.6 | -9.5 | 5.3 |
| 2006 | 21.6 | 2.8 | 4.8 | 1.5 | -8.2 | -7.8 | 2.7 | 1.1 | -2.8 | 6.6 | -4.1 | 8.7 |
| 2005 | -15.6 | 18.1 | -14.1 | -6.8 | 12.8 | 1.2 | 13.1 | -7.1 | -3.0 | 9.5 | 0.0 | -5.2 |
| 2004 | -18.5 | 2.2 | -0.6 | -20.0 | 21.7 | -2.3 | -35.5 | -8.7 | 14.0 | 3.3 | 7.4 | 9.2 |
| 2003 | -17.6 | -2.1 | -5.7 | 11.3 | 40.2 | -6.5 | 23.3 | 22.4 | -21.3 | 20.1 | 6.8 | 4.4 |
| 2002 | -11.1 | 11.8 | 27.5 | -1.0 | -9.4 | -34.6 | -15.3 | -20.4 | -19.4 | 20.2 | 45.0 | -13.7 |
| 2001 | 51.6 | -25.5 | 6.9 | 34.7 | 5.9 | 7.9 | -11.2 | -12.7 | -20.6 | 21.6 | 3.9 | 20.6 |
| 2000 | -9.9 | 39.7 | 11.0 | -6.9 | -16.2 | -0.6 | -35.6 | 39.5 | -22.1 | -32.9 | -17.7 | 2.5 |
| 1999 | · | · | -4.9 | 1.9 | 11.9 | 22.1 | 14.4 | -13.8 | 21.1 | -5.6 | 18.4 | 45.2 |
| Avg | 4.8 | 2.4 | 2.7 | 0.4 | 4.4 | 0.7 | -0.1 | -2.2 | -3.1 | 3.2 | 4.5 | 5.8 |
Values in %. Current and first-listed months are partial (greyed).
returnsview.com
Seasonality — average by calendar month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg | +4.8% | +2.4% | +2.8% | +0.4% | +4.4% | +0.7% | +0.9% | -2.2% | -3.1% | +3.2% | +4.5% | +5.8% |
| Win rate | 52%/27 | 59%/27 | 57%/28 | 43%/28 | 71%/28 | 54%/28 | 52%/27 | 30%/27 | 37%/27 | 59%/27 | 67%/27 | 81%/27 |
Win rate = share of positive months / sample size.
Risk & extremes
Max drawdown
-85.7%
Worst peak-to-trough fall on record
Monthly volatility
±13.8%
Std. dev. of monthly returns
Positive months
55%
Share of completed months in the green
Best month
+51.61%
2001-01
Worst month
-35.62%
2000-07
Longest streaks
9▲ / 6▼
Consecutive up / down months
Drawdown & rolling returns
Percent below the all-time high at each month-end — how far underwater the asset was.
About MKS Inc.
MKS Inc. turns caffeine and code into shareholder value — with price receipts on this site going back to 1999. And the long game: $100 at its first close here (1999) would be about $4,060 today.
Did you know?
- Its best month on record was January 2001 at +51.61%; its worst, July 2000 at -35.62%.
- It has closed December in the green 22 out of 27 times — past performance, future shrug.
Trivia for entertainment — the numbers come from our price data; the jokes don't.