Between Arista Networks and Ciena, Which Stock Looks Set to Break Out?

CIEN: Ciena logo
CIEN
Ciena

Ciena surged 7.0% during the past Day. You may be tempted to buy more, or may want to reduce your exposure. But there is an entirely different perspective you might be missing. Is there a better alternative? Turns out, its peer Arista Networks gives you more. Arista Networks (ANET) stock offers superior revenue growth across key periods, better profitability, and relatively lower valuation vs Ciena (CIEN) stock, suggesting you may be better off investing in ANET

  • ANET’s Last 12 Months revenue growth was 28.6%, vs. CIEN’s 26.5%.
  • In addition, its Last 3-Year Average revenue growth came in at 27.3%, ahead of CIEN’s 11.0%.
  • ANET leads on profitability over both periods – LTM margin of 42.8% and 3-year average of 41.1%.

These differences become even clearer when you look at the financials side by side. The table highlights how CIEN’s fundamentals stack up against those of ANET on growth, margins, momentum, and valuation multiples.

Trefis: CIEN Stock Insights

Valuation & Performance Overview

  CIEN ANET Preferred
     
Valuation      
P/EBIT Ratio 140.2 40.7 ANET
     
Revenue Growth      
Last Quarter 33.1% 28.9% CIEN
Last 12 Months 26.5% 28.6% ANET
Last 3 Year Average 11.0% 27.3% ANET
     
Operating Margins      
Last 12 Months 8.2% 42.8% ANET
Last 3 Year Average 7.2% 41.1% ANET
     
Momentum      
Last 3 Year Return 690.9% 197.5% ANET

Note: For “Last 3 Year Return” metric, preferred stock is one with higher returns unless the returns are too high (>300%) which creates risk of sell off.
See more revenue details: CIEN Revenue Comparison | ANET Revenue Comparison
See more margin details: CIEN Operating Income Comparison | ANET Operating Income Comparison

Relevant Articles
  1. How To Earn 9.2% Yield While Waiting to Buy LLY 30% Cheaper
  2. Could Accenture Stock’s Cash Flow Spark the Next Rally?
  3. Years of Rewards: $35 Bil From Charter Communications Stock
  4. McDonald’s Stock Capital Return Hits $35 Bil
  5. Palo Alto Networks Stock at Support Zone – Bargain or Trap?
  6. Super Micro Computer Stock Pulls Back to Support – Smart Entry?

See detailed fundamentals on Buy or Sell ANET Stock and Buy or Sell CIEN Stock. Below we compare market return and related metrics across years.

Historical Market Performance

  2021 2022 2023 2024 2025 2026 Total [1] Avg Best
Returns
CIEN Return 46% -34% -12% 88% 176% 66% 635%   <===
ANET Return 98% -16% 94% 88% 19% -6% 576%    
S&P 500 Return 27% -19% 24% 23% 16% -5% 74%    
Monthly Win Rates [3]
CIEN Win Rate 67% 33% 42% 83% 83% 100%   68% <===
ANET Win Rate 75% 42% 67% 83% 75% 33%   63%  
S&P 500 Win Rate 75% 42% 67% 75% 67% 33%   60%  
Max Drawdowns [4]
CIEN Max Drawdown -8% -49% -21% -3% -37% -4%   -20%  
ANET Max Drawdown -8% -37% -10% -3% -42% -11%   -18%  
S&P 500 Max Drawdown -1% -25% -1% -2% -15% -7%   -9% <===

[1] Cumulative total returns since the beginning of 2021
[2] 2026 data is for the year up to 4/1/2026 (YTD)
[3] Win Rate = % of calendar months in which monthly returns were positive
[4] Max drawdown represents maximum peak-to-trough decline within a year

No matter how good the numbers, stock investment is never a smooth ride. There is a risk you must factor in. Read ANET Dip Buyer Analyses and CIEN Dip Buyer Analyses to see how these stocks have fallen and recovered in the past.

Still not sure about CIEN or ANET? Consider portfolio approach.

The Best Investors Think In Portfolios

Individual stocks can soar or tank, but one thing matters: staying invested. The right portfolio can help you stay invested, capture upside, and mitigate the downside associated with any individual stock.

The Trefis High Quality (HQ) Portfolio, with a collection of 30 stocks, has a track record of comfortably outperforming its benchmark that includes all 3 – the S&P 500, S&P mid-cap, and Russell 2000 indices. Why is that? HQ Portfolio has posted more than 105% in cumulative return since inception, with less risk versus the benchmark index, as evident in HQ Portfolio performance metrics.