EXTR vs AAOI Stock Comparison

Extreme Networks and Applied Optoelectronics Prices as of Oct 26, 2026 Peers: Industry group
EXTR Extreme Networks Inc
$22.70 +5.5% 1M +8.7% 1Y
Market cap
$3.17B
P/E
75.2x
Revenue (TTM)
$1.28B
Div. yield
–
Networking Equipment Technology
6 wins

Head to Head

10 decided of 12

Extreme Networks leads on 6 of the 12 questions below (Extreme Networks 6, Applied Optoelectronics 4). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionEXTRAAOILeader
Larger companyMarket capitalisation $3.17B $6.28B AAOI
Cheaper on earningsLower P/E, profitable companies only 75.2x -110.0x –
Cheaper on forward earningsLower price / next fiscal year consensus EPS 16.4x 101.3x EXTR
Faster revenue growthRevenue growth, trailing twelve months +12.6% +61.8% AAOI
More profitableNet margin, trailing twelve months 3.3% -9.6% EXTR
Better return on capitalReturn on invested capital 19.4% -4.2% EXTR
Less leveragedLower net debt / EBITDA -0.6x 13.8x EXTR
Higher dividend yieldTrailing dividend yield 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months +8.7% +111.5% AAOI
Better 5-year returnAnnualised price return, 5 years +18.6%/yr +56.4%/yr AAOI
Less volatileAnnualised volatility, 1 year 55.5% 138.9% EXTR
Higher overall scoreMean of the five percentile scores vs peers 51/100 33/100 EXTR

Percentile Scorecard

EXTRAAOI

Each axis is the mean percentile of its metrics against the company's industry group. 100 is the best in the group, 50 the middle.

Scores by Axis

AxisEXTRAAOI
Valuation 37 #70 of 111 12 #98 of 111
Growth 39 #66 of 108 55 #49 of 108
Profitability 70 #32 of 104 16 #88 of 104
Financial Health 23 #89 of 115 72 #33 of 115
Shareholder Returns 88 #11 of 81 9 #74 of 81
Overall 51 33
  • EXTR ranked among 121 companies in Computer Hardware
  • AAOI ranked among 121 companies in Computer Hardware

Price Performance

Price return, split-adjusted, before dividends. Click a name to hide or show it.

Returns

PeriodEXTRAAOISPY
1 month +5.5%-29.1% -0.8%
3 months -24.2%-26.5% +3.5%
6 months +30.0%-50.7% +7.0%
Year to date +36.3%+106.4% +12.2%
1 year +8.7%+111.5% +13.0%
3 years +10.5%+921.9% +86.3%
3 years, per year +3.4%+117.1% +23.1%
5 years +134.7%+835.5% +68.6%
5 years, per year +18.6%+56.4% +11.0%
10 years +434.1%+236.3% +258.0%
10 years, per year +18.2%+12.9% +13.6%

Risk

MeasureEXTRAAOISPY
Volatility, 1Y 55.5%138.9% 12.7%
Downside volatility, 1Y 56.6%126.6% 12.7%
Beta vs S&P 500, 1Y 1.544.29 1.00
Return / volatility, 1Y 0.160.80 1.02
Max drawdown, 5Y -67.2%-82.6% -25.4%
From 52-week high -32.7%-67.8% -1.8%
52-week high $33.71$223.10 $779.14
52-week low $13.74$19.49 $631.97

Valuation History

Weekly multiples on trailing twelve-month fundamentals. Negative or extreme readings (a loss year, a collapsed denominator) are left out so the chart stays readable.

MultipleEXTRAAOI
P/E now vs peer median 71.5xmedian 32.0x -102.9xmedian 32.0x
P/S now vs peer median 2.3xmedian 2.8x 10.2xmedian 2.8x
EV/EBITDA now vs peer median 34.0xmedian 19.4x -175.3xmedian 19.4x
P/FCF now vs peer median 31.3xmedian 29.0x -10.1xmedian 29.0x
P/B now vs peer median 33.6xmedian 2.9x 3.6xmedian 2.9x
PEG now vs peer median -3.79median 1.13 -3.10median 1.13

Financial History

Reported figures by fiscal period, placed on the calendar year (or quarter) each period ended in, so companies with different fiscal years line up.

Trailing twelve monthsEXTRAAOI
Revenue $1.28B $595.97M
Gross profit $789.14M $172.33M
Operating income $62.70M -$67.41M
Net income $42.12M -$57.02M
Free cash flow $95.24M -$600.81M
R&D $233.88M $107.61M
EPS (diluted) $0.31 $-0.70
Cash & equivalents $211.76M $499.74M
Total debt $163.72M $57.26M
Shares (diluted) 134.97M 81.57M
Enterprise value $2.31B $4.99B

All Metrics

58 metrics · best in bold

Bold marks the best reading: the lowest positive value for multiples, leverage and payout, the highest for everything else. The bar under each value is its percentile against that company's own peers. Hover a value for its rank and the peer median.

Valuation

12 metrics
MetricEXTRAAOI
P/E 71.5x -102.9x
P/FCF 31.3x -10.1x
P/Operating cash flow 24.2x -46.1x
P/S 2.3x 10.2x
P/B 33.6x 3.6x
P/Tangible book 34.8x 3.6x
EV/EBITDA 34.0x -175.3x
EV/EBIT 46.7x -83.5x
EV/Revenue 2.3x 9.4x
EV/FCF 30.8x -9.4x
EV/Operating cash flow 23.8x -42.7x
PEG (3Y EPS CAGR) -3.79 -3.10

Growth

14 metrics
MetricEXTRAAOI
Revenue growth (1Y) 12.6% 61.8%
Revenue CAGR (3Y) -0.7% 40.9%
Gross profit growth (1Y) 11.3% 62.0%
Gross profit CAGR (3Y) 1.5% 73.3%
Operating income growth (1Y) 269.9% -40.6%
Operating income CAGR (3Y) -16.7% -2.8%
Net income growth (1Y) 664.1% 63.4%
Net income CAGR (3Y) -18.6% 6.2%
EPS growth (1Y) 653.0% 74.5%
EPS CAGR (3Y) -18.9% 33.2%
Operating cash flow growth (1Y) -19.0% 15.2%
Operating cash flow CAGR (3Y) -20.9% -168.6%
Free cash flow growth (1Y) -25.2% -146.3%
Free cash flow CAGR (3Y) -26.0% -294.2%

Profitability

14 metrics
MetricEXTRAAOI
Gross margin 61.5% 28.9%
EBITDA margin 6.7% -5.4%
Operating margin 4.9% -11.3%
Pretax margin 4.0% -10.6%
Net margin 3.3% -9.6%
FCF margin 7.4% -100.8%
Operating cash flow margin 9.6% -22.1%
Return on equity 50.3% -4.1%
Return on assets 3.6% -2.9%
Return on invested capital 19.4% -4.2%
Return on capital employed 10.8% -4.5%
Asset turnover 1.1x 0.3x
Cash conversion (OCF / net income) 2.9x 2.3x
Stock comp / revenue 6.9% 2.6%

Financial Health

11 metrics
MetricEXTRAAOI
Debt / assets 13.9% 2.5%
Debt / equity 1.8x 0.0x
Net debt / EBITDA -0.6x 13.8x
Debt / FCF 1.7x -0.1x
Liabilities / assets 92.5% 27.5%
Equity / assets 7.5% 72.5%
Interest coverage 4.5x -19.1x
Current ratio 0.9x 2.8x
Quick ratio 0.6x 1.9x
Cash ratio 0.4x 1.2x
Altman Z-score 1.78 5.99

Shareholder Returns

7 metrics
MetricEXTRAAOI
Dividend yield – –
Net buyback yield 2.9% -22.3%
Shareholder yield 2.9% -22.3%
Payout ratio (earnings) – –
Payout ratio (FCF) – –
Dividend growth (1Y) – –
Dividend CAGR (3Y) – –

Analyst Estimates

Solid lines are reported fiscal-year results; dashed lines are the consensus for the years ahead. Hover a year for the analysts' high and low, and how each result compared with its estimate.

ConsensusEXTRAAOI
Forward P/E 16.4xFY2027 101.3xFY2026
EPS, next fiscal year $1.38FY2027 $0.71FY2026
EPS growth, next FY +30.2%FY2027 –
EPS growth, the year after +2.9% +646.5%
Revenue, next fiscal year $1.34BFY2027 $994.70MFY2026
Revenue growth, next FY +4.5%FY2027 +118.3%FY2026
Revenue growth, the year after +21.3% +185.6%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersEXTRAAOI
Held by institutions 96.7% 60.5%
Institutions holding 338 481
Change in shares held, QoQ +1.2% -3.5%
Institutions buying 181 313
Institutions selling 121 143
Buyers to sellers 1.50 2.19

Return Correlation

Daily returns, last 12 months

1.00 means two stocks move in lockstep, 0 that they move independently. Pairs below about 0.5 diversify each other.

EXTRAAOI
EXTR 1.00 0.34
AAOI 0.34 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, EXTR and AAOI?

Applied Optoelectronics (AAOI) is the largest by market capitalisation: Extreme Networks (EXTR) $3.17B, Applied Optoelectronics (AAOI) $6.28B.

Which company is growing faster?

Applied Optoelectronics (AAOI) grew revenue fastest over the trailing twelve months: Extreme Networks (EXTR) +12.6%, Applied Optoelectronics (AAOI) +61.8%.

Which company is more profitable?

Extreme Networks (EXTR) has the highest net margin (Extreme Networks (EXTR) 3.3%, Applied Optoelectronics (AAOI) -9.6%). On return on invested capital, Extreme Networks (EXTR) leads (Extreme Networks (EXTR) 19.4%, Applied Optoelectronics (AAOI) -4.2%).

Which stock has performed better?

Over the past year Applied Optoelectronics (AAOI) returned the most: Extreme Networks (EXTR) +8.7%, Applied Optoelectronics (AAOI) +111.5%. Over five years, Applied Optoelectronics (AAOI) compounded fastest (Extreme Networks (EXTR) +18.6%/yr, Applied Optoelectronics (AAOI) +56.4%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Extreme Networks (EXTR) has been the steadiest (Extreme Networks (EXTR) 55.5%, Applied Optoelectronics (AAOI) 138.9%). Volatility measures how widely the price swings, not the risk of the business.

Do EXTR and AAOI move together?

Their daily returns over the past year have a correlation of 0.34, a weak relationship. Holding both diversifies more than two closely linked stocks would.

Which is the better stock, EXTR and AAOI?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Extreme Networks (EXTR) leads on 6. Business Quant does not give investment advice; use the comparison as a starting point for your own research.

Data from SEC filings, exchange prices and consensus estimates, via Business Quant. Percentile scores compare each company with its own peer group, so two companies' scores are each relative to different peers unless you rank against the whole market. Price returns exclude dividends. Nothing on this page is investment advice.