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If you are wondering whether MKS at around US$278.59 is still reasonable value after a strong run, you are not alone.
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The stock has posted returns of 2.0% over 7 days, 22.7% over 30 days, 65.5% year to date and 365.1% over the last year. This performance can change how many investors think about its upside and risk.
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Recent coverage has focused on how this level of share price performance can reshape expectations for a company like MKS and what that means for those considering a position today. For investors, the key question is whether these returns are now fully reflected in the share price or if the market is still adjusting its view.
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MKS currently scores 1 out of 6 on our valuation checks . Next up is a closer look at what different valuation methods say about the stock and why there may be an even better way to think about value later in this article.
MKS scores just 1/6 on our valuation checks. See what other red flags we found in the full valuation breakdown .
Approach 1: MKS Discounted Cash Flow (DCF) Analysis
A Discounted Cash Flow, or DCF, model estimates what a business could be worth today by projecting its future cash flows and discounting them back to the present using a required rate of return. It focuses on the cash the company can generate for shareholders rather than short term earnings moves.
For MKS, the model uses a 2 Stage Free Cash Flow to Equity approach based on cash flow projections. The latest twelve month Free Cash Flow is about US$520.4 million. Analysts supply forecasts out to 2027, with Free Cash Flow in that year projected at US$739.9 million. Beyond those analyst years, Simply Wall St extrapolates cash flows out to 2035, with annual estimates ranging from roughly US$331.2 million in 2026 to about US$1.25 billion in 2035, all discounted back to reflect today’s value.
Aggregating these discounted cash flows gives an estimated intrinsic value of US$154.24 per share. Compared with the current MKS share price of about US$278.59, this DCF outcome suggests the stock is 80.6% overvalued on this model.
Result: OVERVALUED
Our Discounted Cash Flow (DCF) analysis suggests MKS may be overvalued by 80.6%. Discover 60 high quality undervalued stocks or create your own screener to find better value opportunities.
Approach 2: MKS Price vs Earnings
For profitable companies, the P/E ratio is a useful yardstick because it links what you pay for each share with the earnings that company is currently generating. It gives you a quick sense of how many dollars investors are willing to pay today for one dollar of earnings.
What counts as a “normal” P/E depends on how fast earnings are expected to grow and how risky those earnings are. Higher growth and lower perceived risk usually go with higher P/E ratios, while slower growth or higher risk tend to justify lower ones.
MKS currently trades on a P/E of 63.58x, compared with the Semiconductor industry average of 45.20x and a peer average of 71.48x. Simply Wall St also calculates a proprietary “Fair Ratio” for MKS of 36.99x. This Fair Ratio is designed to reflect the P/E that might be expected given factors such as the company’s earnings growth profile, profit margins, industry, market capitalization and risk characteristics, rather than relying only on broad peer or industry comparisons.
Because the current P/E of 63.58x is materially above the Fair Ratio of 36.99x, this approach points to the shares trading at a richer level than those fundamentals would imply.
Result: OVERVALUED
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Upgrade Your Decision Making: Choose your MKS Narrative
Earlier there was a reference to a better way to think about valuation. This is where Narratives come in, giving you a simple way to turn your view of MKS into a story that links its business drivers to explicit forecasts for revenue, earnings and margins, then to a Fair Value that can be compared with the current price. All of this is available within an easy tool on Simply Wall St’s Community page that updates when new news or earnings arrive. It already contains very different fair value ranges for MKS, such as a more cautious view around US$228 and a more optimistic view around US$320. This allows you to see how other investors translate their expectations into numbers and decide which story fits your own outlook and risk comfort.
For MKS however we will make it really easy for you with previews of two leading MKS Narratives:
These are not buy or sell signals, they are structured stories that help you line up your own expectations for growth, margins and risk with a clear fair value anchor.
🐂 MKS Bull Case
Fair value in this bullish narrative: US$320.00 per share.
At the last close of US$278.59, the price is about 13.0% below that fair value.
Revenue growth assumption in this narrative: 13.54% a year.
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Focuses on AI, advanced packaging and digital transformation as long running demand drivers for MKS chemistry, equipment and services.
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Leans on a rising mix of higher margin, recurring chemistry and service revenue combined with integrated solutions that increase customer switching costs.
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Assumes analysts in the bullish camp are broadly right that recent execution, product breadth and refinancing progress can support the higher fair value they model.
🐻 MKS Bear Case
Fair value in this more cautious narrative: about US$227.99 per share.
At the last close of US$278.59, the price is about 22.2% above that fair value.
Revenue growth assumption in this narrative: 8.84% a year.
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Highlights risks around trade barriers, tariffs and supply chain disruption that could pressure margins and cash flows.
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Flags customer localization, in house equipment efforts and acquisition integration challenges as potential drags on long term growth and profitability.
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Reflects an analyst group that, even while modelling higher earnings, sees current expectations as demanding relative to their fair value range.
Both narratives use the same current share price but tell very different stories about where value sits and why. The useful part for you is not picking a side outright, but using the numbers and assumptions behind each view to stress test your own thesis on MKS and decide which set of trade offs on growth, valuation and risk feels more realistic for your portfolio.
To see how these results tie into long-term growth, risks, and valuation, check out the full range of community narratives for MKS on Simply Wall St. Add the company to your watchlist or portfolio so you'll be alerted when the story evolves.
Do you think there's more to the story for MKS? Head over to our Community to see what others are saying!
This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice.It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.
Companies discussed in this article include MKSI .
Have feedback on this article? Concerned about the content? Get in touch with us directly. Alternatively, email editorial-team@simplywallst.com
