NASDAQ: MKSI · Hardware, Equipment & Parts
MKS (MKSI) fair value: undervalued or overvalued?
As of 26 Sep 2026, Faircurve's model values MKS (MKSI) at $334.18 a share. The stock last closed at $279.15, which puts the model's fair value 19.7% above the price. On the model's bands that reads as Undervalued.
Revalued . Price is the close of 2 Oct 2026. MKS Inc.
Faircurve Insights · 26 Sep 2026
MKS Inc. (MKSI) functions as a worldwide supplier of sophisticated instruments, integrated systems, specialized components, and advanced process control solutions.
Faircurve's model on 26 Sep 2026 found a fair value of $334.18 a share, the midpoint of 2,000 simulations. The previous run on 19 Sep 2026 gave $316.62, so the fair value moved +5.5%. The calibrated range over 63 trading days is $280.37 to $407.47, built from the fair value, and ranges built this way held the price 60% of the time at this horizon. The model's evidence grade is High.
The overall quality score against comparable companies is 48 out of 100. Comparable companies are Fortive Corporation (FTV), Fabrinet (FN), Trimble Inc. (TRMB), TTM Technologies, Inc. (TTMI), Vicor Corporation (VICR), Sanmina Corporation (SANM), Advanced Energy Industries, Inc. (AEIS), and Teledyne Technologies Incorporated (TDY). The stock's moves around its last 8 earnings reports had a median size, ignoring direction, of 8.3%.
Written from the figures on this page for the 26 Sep 2026 valuation and checked by rule before publishing: every number is one printed here, no forecast, no instruction. The price, the gap and the verdict are the page's own and change daily. Not a recommendation.
What price range does the model give MKSI?
The calibrated range for MKSI over 63 trading days is $280.37 to $407.47. There is no live options data for this stock, so the range is built from the fair value and calibrated weekly against realised prices (n = 4,327 past valuations, refreshed 26 Sep 2026). Ranges built this way held the price 60% of the time at this horizon.
The price is below this range. For names with fair value 15 to 30% above price, the calibrated range has held the price 50% of the time over 63 trading days, and 47% ended below it; the typical move was +4.1%.
The model's own simulated range, from the 20th to the 80th percentile of its runs, is $256.62 to $423.44. In 78% of the simulations the fair value came out above the price the model ran on.
How does MKSI score on business quality?
MKS's overall quality score is 48 out of 100. Each factor below is a score against comparable companies, not a percentile of the metric beside it.
| Factor | Score (0 to 100) | Headline measure | Peer median |
|---|---|---|---|
| ProfitabilityReturn on invested capital against the peer group, with a bonus for an improving trend. | 60 | 9.9%ROIC | 8.4% |
| Earnings qualityHow much of reported profit is cash: free cash flow to net income, and the accrual ratio (the share of earnings that is not cash). | 40 | 1.03xFCF / net income | 0.84x |
| Growth qualityTrailing revenue growth, forward growth from consensus, and the direction of analyst estimate revisions. | 80 | 9.6%Revenue growth, trailing | 7.4% |
| Capital disciplineReinvestment efficiency (capital spending per unit of revenue) and net buybacks. | 41 | 0.0%Net buybacks / market value | 0.3% |
| Balance sheetNet debt to EBITDA and interest coverage. | 19 | 3.82xNet debt / EBITDA | -0.14x |
| StabilityDownside volatility of the EBITDA margin over the last five years. | 0 | 19.6 ptsEBITDA margin downside volatility, 5y | 1.6 pts |
How does MKSI compare with similar companies?
The companies in hardware, equipment & parts closest to MKS in market value, each on the same model and the same date.
| Company | Last close | Model fair value | Gap | Model verdict |
|---|---|---|---|---|
| FTV Fortive Corporation | $57.47 | $49.53 | -13.8% | Fairly valued |
| FN Fabrinet | $463.69 | $431.48 | -6.9% | Fairly valued |
| TRMB Trimble Inc. | $57.52 | $60.40 | +5.0% | Fairly valued |
| TTMI TTM Technologies, Inc. | $131.87 | $130.07 | -1.4% | Fairly valued |
| VICR Vicor Corporation | $308.90 | $260.21 | -15.8% | Overvalued |
| SANM Sanmina Corporation | $229.04 | $258.36 | +12.8% | Fairly valued |
| AEIS Advanced Energy Industries, Inc. | $304.28 | $299.09 | -1.7% | Fairly valued |
| TDY Teledyne Technologies Incorporated | $617.17 | $565.86 | -8.3% | Fairly valued |
All hardware, equipment & parts stocks ranked by gap to fair value
When does MKSI report earnings, and how has the stock reacted?
MKS's next earnings report is scheduled for 4 Nov 2026. Companies can move their dates.
Options prices on 2 Oct 2026 imply a move of about 7.9% in either direction through the nearest expiry, about 13 days out. That is the size the market is pricing, not a direction.
How MKSI moved around its last 8 earnings reports
Each move runs from the last close before the report to the first close after it, so it covers companies that report before the open and after the close. The median size across these 8 reports, ignoring direction, was 8.3%.
| Report date | Two session move |
|---|---|
| 5 Aug 2026 | -9.2% |
| 6 May 2026 | +4.6% |
| 17 Feb 2026 | -4.0% |
| 5 Nov 2025 | +13.2% |
| 6 Aug 2025 | +7.3% |
| 7 May 2025 | +23.9% |
| 12 Feb 2025 | -6.1% |
| 7 Nov 2024 | +12.6% |
MKS at a glance
MKS Inc. (MKSI) functions as a worldwide supplier of sophisticated instruments, integrated systems, specialized components, and advanced process control solutions.
- Market value
- $17.6B
- Sector
- Technology
- Industry
- Hardware, Equipment & Parts
- Revenue expected, next twelve months
- $5.8B
- Consensus revenue growth, next fiscal year
- +29.3%
- Analysts with estimates
- 9
- Beta to the US market
- 2.79
- First valued by Faircurve
- 11 Jul 2026
How the fair value is worked out: the model prices MKS on the value of the whole business, debt included, against the operating profit analysts expect next year (forward EV/EBITDA), runs 2,000 simulations across its inputs and takes the midpoint. The full method is documented here.
What changed in the latest valuation?
On 19 Sep 2026 the model's fair value for MKSI was $316.62. As of 26 Sep 2026 it is $334.18, a change of +5.5%. The model revalues every stock it covers each week, and again after an earnings report.
Questions about MKS's valuation
Is MKS stock undervalued or overvalued?
On Faircurve's model, MKSI reads as Undervalued as of 26 Sep 2026. The model's fair value is $334.18 a share against a last close of $279.15, a gap of +19.7%.
What is MKSI's fair value?
$334.18 a share as of 26 Sep 2026, the midpoint of 2,000 simulations. The model's own 20th to 80th percentile range is $256.62 to $423.44.
What price range does the model give MKSI?
$280.37 to $407.47 over 63 trading days. Ranges built this way held the price 60% of the time across 4,327 past valuations, refreshed 26 Sep 2026.
When does MKS report earnings next?
The next report is scheduled for 4 Nov 2026. Companies can move their dates.
How much has MKSI moved on past earnings reports?
Across its last 8 reports the median two session move was 8.3%, ignoring direction. The largest was +23.9% around the report of 7 May 2025.
How confident is the model in this valuation?
The model's evidence grade for MKSI is high. The grade looks at how complete the inputs are, how many comparable companies there are and how closely they agree, and how wide the range of outcomes is. It is not a probability that the fair value is right, or that the price reaches it.