• Wondering whether Arista Networks at US$141.75 is offering fair value or asking too much for its growth story? This article breaks down what the current price may be implying about the stock.
• The stock has moved sharply in both directions recently, with a 17.9% decline over the last 7 days, a 6.1% return over the last 30 days, and a 62.4% return over the last year, all on top of a very large 3 year gain and a very large 5 year gain.
• Recent coverage has focused on Arista Networks as part of broader discussions around AI infrastructure and networking, as investors look at companies supplying the hardware and software behind growing data traffic. That context helps explain why the stock has seen strong multi year returns even with short term pullbacks as expectations and risk views shift.
• Arista Networks currently holds a value score of 3/6, which points to a mixed picture that will be unpacked using different valuation approaches before turning to an even more complete way to think about what the stock is really worth.

Approach 1: Arista Networks Discounted Cash Flow (DCF) Analysis

A Discounted Cash Flow, or DCF, model estimates what a stock could be worth by projecting future cash flows and then discounting them back to today, so everything is expressed in present dollar terms.

For Arista Networks, the model used is a 2 Stage Free Cash Flow to Equity approach. The latest twelve month Free Cash Flow sits at about $5.33b. Analyst and extrapolated estimates suggest Free Cash Flow reaching about $9.58b by 2030, with a detailed path of projected cash flows for each year between 2026 and 2035, all expressed in dollars and discounted back to today.

Aggregating these discounted cash flows produces an estimated intrinsic value of $148.99 per share, compared with the current share price of $141.75. That implies the stock trades at roughly a 4.9% discount to this DCF estimate, which is a relatively small gap and suggests the market price is close to the modeled value.

Result: ABOUT RIGHT

Arista Networks is fairly valued according to our Discounted Cash Flow (DCF), but this can change at a moment's notice. Track the value in your watchlist or portfolio and be alerted on when to act.

Approach 2: Arista Networks Price vs Earnings

For a profitable company like Arista Networks, the P/E ratio is a useful shorthand for what investors are currently willing to pay for each dollar of earnings. Higher expected earnings growth and lower perceived risk usually support a higher “normal” P/E, while slower growth or higher risk tend to align with a lower multiple.

Arista Networks trades on a P/E of 48.0x, compared with an average P/E of 35.97x for the Communications industry and a peer average of 39.22x. Simply Wall St’s Fair Ratio framework estimates what a company’s P/E might be given its earnings growth profile, industry, profit margins, market value and risk factors. For Arista Networks, that Fair Ratio is 48.6x.

Because the Fair Ratio is tailored to the company’s own characteristics rather than relying only on broad peer or industry comparisons, it can provide a more targeted sense of what a “reasonable” multiple could look like. Here, the actual P/E of 48.0x sits very close to the Fair Ratio of 48.6x, which points to the stock being priced at about the level this model would suggest.

Result: ABOUT RIGHT

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Upgrade Your Decision Making: Choose your Arista Networks Narrative

Earlier it was mentioned that there is an even better way to understand valuation. Narratives on Simply Wall St’s Community page let you turn your view of Arista Networks into a clear story that links the business explanation, a forecast for future revenue, earnings and margins, and then a Fair Value that you can compare to today’s price. The platform updates that Fair Value as new news or earnings arrive and allows very different perspectives to sit side by side. For example, one investor may treat Arista as a relatively cautious opportunity with a Fair Value of about US$76, while another may use more optimistic assumptions that support a Fair Value in line with bullish analyst targets around US$207.51.

For Arista Networks however we will make it really easy for you with previews of two leading Arista Networks Narratives:

Together they frame the current price against two different views of fair value and future growth, so you can decide which story is closer to your own expectations.

Fair value in this narrative: US$180.33

Implied discount to this fair value: about 21.4% below the narrative fair value based on the last close of US$141.75

Revenue growth assumption: 23.57% a year

• Views Arista as a key AI and high bandwidth networking supplier, with Etherlink, 7800 platforms and open Ethernet standards helping it capture AI data center demand and expand its addressable market.
• Assumes strong next few years for revenue and earnings, supported by AI related build outs, cloud infrastructure refresh cycles and a higher mix of software and services through EOS and CloudVision.
• Highlights concentration in large hyperscaler customers, rising competition, geopolitics and revenue recognition uncertainty as the main risks that could challenge this fair value.

Fair value in this narrative: US$127.06

Implied premium to this fair value: about 11.6% above the narrative fair value based on the last close of US$141.75

Revenue growth assumption: 15%

• Focuses on Arista as a relatively young, debt free networking company that has already re rated, with current pricing compared against a fair value of about US$76 from the Simply Wall St DCF used in that narrative.
• Points to free cash flow needing to roughly double from an estimated US$2.135m in 2024 to US$4.470m in 2027 for that earlier framework, which the author sees as demanding but still achievable.
• Emphasises balance sheet strength and return on equity of around 20% as positives, while implicitly questioning how much of this quality is already reflected in the share price.

If you want to see how other investors balance these kinds of assumptions, as well as how their fair values update over time as new data comes in, you can go straight to the full range of community views for Arista Networks with See what the community is saying about Arista Networks.

Do you think there's more to the story for Arista Networks? 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.