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Arista Networks Just Hit a Record High After Its First $3 Billion Quarter. Is It Too Late to Buy?

Wiltone Asuncion7 minute read
Reviewed by: David Hanson
Last updated Aug 15, 2026

@A stockphoto from Getty Images Pro via Canva, @Cnv Studio from CnvStudio's Images via Canva

Key Stats for Arista Networks Stock

  • Current Price: $198.82
  • Target Price (Mid): ~$390
  • Street Target: ~$242
  • Potential Total Return: ~96%
  • Annualized IRR: ~17% / year

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What Happened?

Arista Networks (ANET) closed at $198.82 on August 14, after touching an all-time high near $210 on August 12. The stock is up sharply over the past year, well off its 52-week low of $114.52, and the reason is not a mystery: on August 4, Arista posted its first-ever $3 billion revenue quarter and raised full-year guidance for the third time in 2026, now to $12.6 billion. The drift back to $199 since the record is mild profit-taking, not a reversal. The real question for anyone looking at it today is whether that acceleration is already in the price.

Shares trade at roughly 63 times trailing earnings, one of the richest multiples in the company’s peer group, and co-founder Andreas Bechtolsheim has been selling stock steadily into the run. What a buyer at this level is really paying for is not this year’s growth, which is largely locked in, but the durability of it.

The Guide Raise Was Bigger Than the Beat

Revenue of $3.04 billion rose 37.7% year over year and topped guidance of $2.8 billion, while non-GAAP EPS of $1.02 beat the $0.89 consensus and climbed 39.7%. Operating margin hit 49.9%, and the company generated roughly $1.1 billion in cash from operations.

Arista raised its 2026 revenue target to approximately $12.6 billion, implying 40% annual growth. CEO Jayshree Ullal framed the jump against the company’s own prior markers: an incremental $2.1 billion over the Analyst Day goal of $10.5 billion, and $1.1 billion over the $11.5 billion projected as recently as May. When an analyst pressed whether the increase was AI or campus-driven, she declined to attribute it to one bucket, saying only that “all numbers are going up.” The raise is broad, not concentrated in a single product line.

For two quarters, Ullal had been candid about component shortages she calls a multiyear industry problem. This quarter, the tone shifted: Arista secured memory supply for 2026 with visibility into 2027, stood up a liquid cooling supply chain, and nearly tripled multiyear purchase commitments to roughly $9.7 billion from $3.6 billion a year ago. That commitment figure is a contractual forward order on the silicon needed to fulfill demand, which Arista can see but has not yet shipped. Ullal did not declare victory, noting the industry will not fully clear the shortage until 2028, but the second half of 2026 is supply-enabled in a way the first half was not.

Arista Networks Revenues & YoY (TIKR)

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What You Are Paying For at 63 Times Earnings

Arista trades at about 63 times trailing earnings and around 43 times the next twelve months of expected earnings. Against its communications equipment peers, that is steep: Cisco trades near 22 times forward earnings and F5 around 23 times, and neither grows anything close to Arista’s pace. The premium is not indefensible, since Arista pairs 40% growth with a nearly 50% operating margin and a 30.7% return on invested capital that no pure-play networking rival matches. But it means the stock is priced for the growth to continue, not fade. A buyer here has little cushion if the guide slips.

Bechtolsheim sold about $79 million of stock on August 6, days after the record high, and has sold in each of the past several months. That reads as ominous until you check the mechanism: every sale ran through a Rule 10b5-1 plan he adopted on February 20, 2026, which pre-schedules trades regardless of the price on any given day. It is planned diversification by a founder who still controls more than 180 million shares, not a discretionary call on the top.

Gross margin was 63.4%, down from 65.6% a year earlier on customer mix and rising memory and silicon costs, though it did tick up sequentially from 62.4% on tariff refunds and mix. Management guided the full year to 62% to 64% and warned that price increases meant to offset those costs will not flow through until late 2026 or into 2027, because Arista is still shipping older backlog. If component costs climb faster than the company can re-price, the margin that justifies the premium is the first thing to give.

Arista Networks Gross Margins (TIKR)

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TIKR Advanced Model Analysis

  • Current Price: $198.82
  • Target Price (Mid): ~$390
  • Potential Total Return: ~96%
  • Annualized IRR: ~17% / year
Arista Networks Advanced Valuation Model (TIKR)

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The two revenue drivers carrying that number are AI back-end fabrics, targeted at least $3.5 billion for 2026, with Etherlink now past 100 cumulative customers, and the scale-across opportunity Ullal sized at a $15 billion to $20 billion market by 2030 as customers link data centers they cannot power in one location. The margin driver is operating leverage, with the model holding net income margin around 41%, roughly today’s level, which requires price increases to eventually offset component inflation. The primary risk is the mirror image: stickier gross margin compression drags the whole model lower. Upside is that AI networking stays supply-gated rather than demand-gated, and Arista ships everything it can build at premium margins. Downside is that a single soft guide at this multiple resets the stock hard, exactly as the 12.6% after-hours drop after the Q1 beat in May showed.

Conclusion

The next real test is the Q3 print, guided to approximately $3.3 billion in revenue and $1.06 to $1.08 in EPS, expected in early November. Watch gross margin hardest: the 62% to 64% full-year range gives management room, but a reading slipping toward the low end would mean component costs are winning the race against price increases, and at 63 times earnings, that is the number that breaks the thesis. A gross margin at or above 63% alongside another guide raise confirms the acceleration is real and supply-enabled. Anything softer, and the record high will look like the moment the market got ahead of the business.

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Should You Invest in Arista Networks?

The only way to really know is to look at the numbers yourself. TIKR gives you free access to the same institutional-quality financial data that professional analysts use to answer exactly that question.

Pull up Arista Networks, and you’ll see years of historical financials, what Wall Street analysts expect for revenue and earnings in the quarters ahead, how valuation multiples have moved over time, and whether price targets are trending up or down.

You can build a free watchlist to track Arista Networks alongside every other stock on your radar. No credit card required. Just the data you need to decide for yourself.

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Disclaimer:

Please note that the articles on TIKR are not intended to serve as investment or financial advice from TIKR or our content team, nor are they recommendations to buy or sell any stocks. We create our content based on TIKR Terminal’s investment data and analysts’ estimates. Our analysis might not include recent company news or important updates. TIKR has no position in any stocks mentioned. Thank you for reading, and happy investing!

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