Arista Networks is a networking equipment provider that primarily sells Ethernet switches and software to data centers... Show more
Arista Networks is a leading provider of data-driven, client-to-cloud networking solutions for data center, AI, campus, and routing environments. The company's Extensible Operating System (EOS) and CloudVision platform power Ethernet switches that connect the world's largest cloud and AI data centers. Arista holds a leading share of Ethernet switching within hyperscale data centers, with major customers including Microsoft and Meta, and competes against networking and silicon providers such as Cisco and Nvidia. The company carries no debt, holds roughly $13.3 billion in cash and investments, and generates among the highest operating margins in the technology sector—qualities that make it a closely followed barometer for AI infrastructure spending.
Over the trailing 30 days, Arista shares fell about 18.6%, declining from approximately $207.35 to $168.86. The move was not a straight line: the stock reached its 52-week high of $217.41 on October 9 before momentum reversed and sellers took control through the final weeks of October.
The quarterly picture is similarly volatile. Roughly three months ago, shares traded near $184.89, meaning the stock is down about 9% over the trailing quarter despite having rallied more than 15% to its October peak along the way. In other words, Arista gave back its entire autumn advance and closed the period below where it began—a pattern consistent with a high-multiple growth stock repricing after an extended run.
Several factors converged to pressure the stock. First, valuation was stretched. After a strong year-to-date run, Arista traded near 53-to-64 times trailing earnings, leaving little room for disappointment, and investors locked in profits near the October 9 record high.
Second, insider-selling disclosures weighed on sentiment. Chief Executive Officer Jayshree Ullal sold a large block of shares near the highs, and Chief Technology Officer Kenneth Duda filed a Form 144 covering additional sales. Most transactions were executed under pre-arranged Rule 10b5-1 plans, but the headlines arrived just as the stock was already vulnerable.
Third, margin expectations softened. Second-quarter gross margin of 63.4% was down from 65.6% a year earlier, and management's guidance implied continued margin compression alongside rising memory and silicon costs.
Finally, a broader AI-infrastructure selloff hit the sector in late October. Microsoft, Arista's largest customer, reported data center spending below Wall Street expectations and said some third-party capacity deliveries were delayed, raising questions about the near-term timing of AI network buildouts. Arista shares fell alongside many other AI chip, networking, and data center names as investors reassessed the pace and cost of the AI buildout.
The trailing quarter told two different stories. The first was one of fundamental strength: Arista posted its first-ever $3 billion quarter in Q2, with revenue up 37.7% year over year and adjusted EPS of $1.02 versus a $0.89 consensus, while raising full-year 2026 revenue guidance to approximately $12.6 billion, or about 40% growth. Momentum carried shares to record territory in early October.
The second story was one of repricing. As the stock climbed, concerns over customer concentration, component shortages that management warned could persist into 2028, and a valuation that priced in sustained hypergrowth left the shares exposed. When the broader AI trade wobbled and profit-taking accelerated, Arista gave back its quarterly gains, ending the period modestly lower despite solid underlying results.
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The most immediate catalyst is Arista's third-quarter earnings report, scheduled for November 3, 2026. Investors will focus on whether revenue meets the roughly $3.3 billion guidance, whether gross margin stabilizes near 63%, and—critically—whether fourth-quarter and full-year guidance supports the company's 40% growth trajectory. Other factors to monitor include AI fabric adoption and Etherlink customer momentum, the timing of 1.6T switch trials, hyperscaler capital spending plans, and any further updates on component supply constraints. Given the stock's premium multiple, the market's reaction may hinge as much on guidance and margin durability as on headline results.
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ANET moved above its 50-day moving average on November 11, 2026 date and that indicates a change from a downward trend to an upward trend. In 38 of 42 similar past instances, the stock price increased further within the following month. The odds of a continued upward trend are 90%.
The RSI Indicator points to a transition from a downward trend to an upward trend -- in cases where ANET's RSI Indicator exited the oversold zone, 17 of 24 resulted in an increase in price. Tickeron's analysis proposes that the odds of a continued upward trend are 71%.
The Momentum Indicator moved above the 0 level on November 11, 2026. You may want to consider a long position or call options on ANET as a result. In 66 of 79 past instances where the momentum indicator moved above 0, the stock continued to climb. The odds of a continued upward trend are 84%.
The Moving Average Convergence Divergence (MACD) for ANET just turned positive on November 09, 2026. Looking at past instances where ANET's MACD turned positive, the stock continued to rise in 43 of 51 cases over the following month. The odds of a continued upward trend are 84%.
Following a +11.68% 3-day Advance, the price is estimated to grow further. Considering data from situations where ANET advanced for three days, in 306 of 367 cases, the price rose further within the following month. The odds of a continued upward trend are 83%.
The Stochastic Oscillator has been in the overbought zone for 2 days. Expect a price pull-back in the near future.
The 10-day moving average for ANET crossed bearishly below the 50-day moving average on October 21, 2026. This indicates that the trend has shifted lower and could be considered a sell signal. In 10 of 15 past instances when the 10-day crossed below the 50-day, the stock continued to move higher over the following month. The odds of a continued downward trend are 67%.
Following a 3-day decline, the stock is projected to fall further. Considering past instances where ANET declined for three days, the price rose further in 50 of 62 cases within the following month. The odds of a continued downward trend are 70%.
ANET broke above its upper Bollinger Band on November 12, 2026. This could be a sign that the stock is set to drop as the stock moves back below the upper band and toward the middle band. You may want to consider selling the stock or exploring put options.
The Aroon Indicator for ANET entered a downward trend on November 13, 2026. This could indicate a strong downward move is ahead for the stock. Traders may want to consider selling the stock or buying put options.
The Tickeron Profit vs. Risk Rating rating for this company is 11 (best 1 - 100 worst), indicating low risk on high returns. The average Profit vs. Risk Rating rating for the industry is 91, placing this stock better than average.
The Tickeron Price Growth Rating for this company is 15 (best 1 - 100 worst), indicating outstanding price growth. ANET’s price grows at a higher rate over the last 12 months as compared to S&P 500 index constituents.
The Tickeron SMR rating for this company is 32 (best 1 - 100 worst), indicating very strong sales and a profitable business model. SMR (Sales, Margin, Return on Equity) rating is based on comparative analysis of weighted Sales, Income Margin and Return on Equity values compared against S&P 500 index constituents. The weighted SMR value is a proprietary formula developed by Tickeron and represents an overall profitability measure for a stock.
The Tickeron PE Growth Rating for this company is 40 (best 1 - 100 worst), pointing to consistent earnings growth. The PE Growth rating is based on a comparative analysis of stock PE ratio increase over the last 12 months compared against S&P 500 index constituents.
The Tickeron Valuation Rating of 86 (best 1 - 100 worst) indicates that the company is significantly overvalued in the industry. This rating compares market capitalization estimated by our proprietary formula with the current market capitalization. This rating is based on the following metrics, as compared to industry averages: P/B Ratio (14.557) is normal, around the industry mean (-6.197). ANET has a moderately high P/E Ratio (53.043) as compared to the industry average of (-3.670). Projected Growth (PEG Ratio) (1.533) is also within normal values, averaging (23.994). Dividend Yield (0.000) settles around the average of (0.012) among similar stocks. P/S Ratio (23.923) is also within normal values, averaging (51.774).
The average fundamental analysis ratings, where 1 is best and 100 is worst, are as follows
a provider of cloud networking solutions
Industry ComputerProcessingHardware