MKSI
MKS Inc.Stock · Industrials$306.10−$0.73 (-0.24%)as of market close, Aug 13, 2026
☾ After hours:$306.29+0.00%3:59 PM ET
MKSI monthly returns
MKS Inc. has averaged 1.63% per month, positive in 55% of months. Month-by-month returns for MKS Inc. (MKSI) below, through August 13, 2026 — the table lists the most recent months; the bar chart plots the last 5 years.
Average month
+1.6%
320 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 |
|---|---|---|
| Aug 2026 | +2.9% | |
| 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% |
Monthly total return (since Sep 2021)
-40%-20%+0%+20%+40%
20222023202420252026
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.
See also: S&P 500 · Nasdaq-100 · Dow Jones · Russell 2000 · US Bond Market · Gold · Silver · Bitcoin · Ethereum
FAQ#
- What is MKS Inc.'s average monthly return?
- MKS Inc. (MKSI) has averaged about 1.63% per month, positive in roughly 55% of months. The best month was Jan 2001 (+51.6%) and the worst was Jul 2000 (-35.6%).