GET DAILY SIGNALSArista Networks (ANET) Reports Strongest Growth Since IPO with +58.5% Revenue Increase
Key Takeaways
- Arista Networks reported third-quarter 2026 revenue of $3.66 billion, up 58.5% year over year — its fastest growth rate since its 2014 initial public offering (IPO).
- Adjusted earnings came in at $1.20 per share, beating the Wall Street consensus of $1.08 by $0.12.
- Revenue also topped estimates of roughly $3.33 billion, driven by strong demand for AI (artificial intelligence) data-center networking gear.
- GAAP (Generally Accepted Accounting Principles) net income nearly doubled to $1.56 billion, or $1.22 per share, from $853 million a year earlier.
- Management guided fourth-quarter revenue to a range of $3.9 billion to $4.0 billion and adjusted EPS (earnings per share) of $1.26 to $1.30, both well above Street expectations.
- Shares rose roughly 7% to 9% in after-hours trading following the report.
Earnings Context and Why It Matters
Arista Networks supplies Ethernet switches and software that connect servers inside cloud and AI data centers, with major customers including Microsoft and Meta Platforms. Its quarterly results serve as a key indicator of hyperscaler spending on AI infrastructure. Heading into this report, the company had already delivered six straight quarters of better-than-expected adjusted EPS, and attention centered on whether surging AI demand could offset margin pressure from a shift toward lower-margin products. The third-quarter 2026 results addressed that question clearly, posting the strongest year-over-year revenue growth since the IPO while also issuing fourth-quarter guidance above consensus estimates. I also checked this using Tickeron’s AI Screener to compare the stock against peers in the sector.
Reported Results
For the quarter ended September 30, 2026, Arista Networks reported revenue of $3.66 billion, a 58.5% increase from $2.31 billion in the same period a year earlier and above the company’s own guidance of roughly $3.3 billion. Adjusted earnings per share rose 60% to $1.20, surpassing the analyst consensus of $1.08 by $0.12. On a GAAP basis, net income nearly doubled to $1.56 billion, or $1.22 per diluted share, compared with $853 million, or $0.67 per share, a year earlier.
Growth was strongest in product revenue, which represented about 87% of total sales. That mix shift pressured profitability: GAAP gross margin slipped to 63.6% from 64.6% a year earlier. However, operating margin expanded to 44.9% from 42.4%, as operating expenses grew far more slowly than revenue. The company also recorded a $134.5 million gain on strategic investments, which was excluded from non-GAAP results.
For the fourth quarter, management guided to adjusted EPS of $1.26 to $1.30 on revenue of $3.9 billion to $4.0 billion. Both figures were comfortably above the consensus expectations of $1.15 per share and $3.6 billion in revenue, signaling continued confidence in AI-related demand.
Market Reaction and Investor Sentiment
The market responded positively to the report. Arista Networks shares climbed roughly 7% to 9% in after-hours trading, reaching about $182, as investors cheered both the sizeable revenue beat and the stronger-than-expected fourth-quarter outlook. Heading into the release, the stock had advanced about 25% in 2026 but had pulled back from a 52-week high of $217.41 set in early October, reflecting some caution about valuation and the sustainability of explosive growth. From what I see, the report’s tone reinforced bullish sentiment around AI infrastructure spending. CEO Jayshree Ullal described the quarter’s revenue growth as the strongest since the company’s IPO, citing broad momentum “across customer sectors” tied to “the generative and agentic AI era.” Even so, some analysts noted that growth is expected to decelerate meaningfully, with the fourth-quarter guide implying sequential growth of roughly 7% to 9% compared with the 20.5% sequential jump recorded in the third quarter.
Forward Outlook and Key Factors to Monitor
Investors will be watching several themes in the quarters ahead. First, management’s full-year 2026 outlook calls for about $12.6 billion in revenue, with AI-related revenue of at least $3.5 billion, or nearly 28% of total sales. The company has separately targeted roughly $2.75 billion in AI networking revenue for 2026, so progress against that goal will be closely monitored. Gross margin is another key variable. As product sales account for a larger share of the mix, gross margin has drifted lower. The company did not provide a specific gross-margin outlook in this release, leaving investors to assess whether the shift toward “back-end” Ethernet networking products for AI clusters will continue to pressure profitability even as operating leverage improves. Finally, customer concentration remains a structural risk. Arista relies heavily on a small number of very large cloud customers, whose orders can arrive in lumpy, hard-to-predict cycles. While the third quarter showed exceptional momentum, the sharp slowdown implied by fourth-quarter guidance is a reminder that this rapid growth rate may be difficult to sustain. Watching customer order patterns, product transition milestones, and the broader trajectory of cloud capital expenditure will be essential for interpreting Arista’s next earnings updates. I’m watching this closely for any signs of changing order patterns.
Exploring AI Tools for Deeper Analysis
In my research process, I often turn to Tickeron’s AI Screener to scan for stocks showing similar technical patterns and AI-driven momentum signals. This helps surface comparable opportunities across the technology sector and supports a more structured approach to evaluating names like Arista Networks alongside broader market trends. The tool’s customizable filters for industry, fundamentals, and performance metrics make it straightforward to identify potential ideas without manual effort.
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Contributor
Sergey Savastiouk, Ph.D. has a degree in Applied Mathematics from Moscow University and has extensive experience as an entrepreneur, investor, manager, and mathematician. His professional expertise is in applied mathematics, mathematical modeling, system and pattern analysis, and software and hardware system integration. He has served as the CEO of several hi-tech start-up companies and nonprofit organizations, which has given him proven capabilities in business strategy for high-tech start-up companies, market assessment, company formation, team building, product development, marketing, and sales. He has published numerous articles in journals and magazines on related fields. As a retail investor, he spent 15 years developing his proprietary trading and quantitative algorithms (now Tickeron’s A.I.), which brought him significant returns in trading the stock market. His current work and goal in founding Tickeron is to bring professional, sophisticated stock market analysis capabilities to retail investors via an easy-to-use interface.
Momentum Indicator for ANET turns negative, indicating new downward trend
ANET saw its Momentum Indicator move below the 0 level on October 14, 2026. This is an indication that the stock could be shifting in to a new downward move. Traders may want to consider selling the stock or exploring put options. Tickeron's A.I.dvisor looked at 79 similar instances where the indicator turned negative. In 58 of the 79 cases, the stock moved further down in the following days. The odds of a decline are at 73%.
Technical Analysis (Indicators)
Bearish Trend Analysis
The Moving Average Convergence Divergence Histogram (MACD) for ANET turned negative on October 13, 2026. This could be a sign that the stock is set to turn lower in the coming weeks. Traders may want to sell the stock or buy put options. Tickeron's A.I.dvisor looked at 51 similar instances when the indicator turned negative. In 35 of the 51 cases the stock turned lower in the days that followed. This puts the odds of success at 69%.
ANET moved below its 50-day moving average on October 14, 2026 date and that indicates a change from an upward trend to a downward trend.
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 8 of 16 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 50%.
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%.
Bullish Trend Analysis
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 23 resulted in an increase in price. Tickeron's analysis proposes that the odds of a continued upward trend are 74%.
The Stochastic Oscillator is in the oversold zone. Keep an eye out for a move up in the foreseeable future.
Following a +8.49% 3-day Advance, the price is estimated to grow further. Considering data from situations where ANET advanced for three days, in 307 of 369 cases, the price rose further within the following month. The odds of a continued upward trend are 83%.
ANET may jump back above the lower band and head toward the middle band. Traders may consider buying the stock or exploring call options.
The Aroon Indicator entered an Uptrend today. In 236 of 294 cases where ANET Aroon's Indicator entered an Uptrend, the price rose further within the following month. The odds of a continued Uptrend are 80%.
Fundamental Analysis (Ratings)
The Tickeron Profit vs. Risk Rating rating for this company is 17 (best 1 - 100 worst), indicating low risk on high returns. The average Profit vs. Risk Rating rating for the industry is 90, placing this stock better than average.
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 Price Growth Rating for this company is 61 (best 1 - 100 worst), indicating steady 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 PE Growth Rating for this company is 65 (best 1 - 100 worst), pointing to average 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 85 (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 (13.990) is normal, around the industry mean (-6.624). ANET has a moderately high P/E Ratio (50.975) as compared to the industry average of (-3.277). 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).
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a provider of cloud networking solutions
Industry ComputerProcessingHardware
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