RBBN vs AAOI vs EXTR Stock Comparison

Ribbon Communications, Applied Optoelectronics and Extreme Networks Prices as of Oct 29, 2026 Peers: Industry group
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EXTR Extreme Networks Inc
$23.59 +12.0% 1M +31.0% 1Y
Market cap
$3.03B
P/E
57.6x
Revenue (TTM)
$1.31B
Div. yield
–
Networking Equipment Technology
6 wins

Head to Head

11 decided of 12

Extreme Networks leads on 6 of the 12 questions below (Extreme Networks 6, Applied Optoelectronics 4, Ribbon Communications 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionRBBNAAOIEXTRLeader
Larger companyMarket capitalisation $282.60M $5.82B $3.03B AAOI
Cheaper on earningsLower P/E, profitable companies only 15.2x -102.1x 57.6x RBBN
Cheaper on forward earningsLower price / next fiscal year consensus EPS 32.6x 111.5x 17.1x EXTR
Faster revenue growthRevenue growth, trailing twelve months -7.8% +61.8% +11.3% AAOI
More profitableNet margin, trailing twelve months 2.3% -9.6% 4.0% EXTR
Better return on capitalReturn on invested capital 0.0% -4.2% 23.5% EXTR
Less leveragedLower net debt / EBITDA 9.4x 13.8x -0.4x EXTR
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months -52.8% +123.2% +31.0% AAOI
Better 5-year returnAnnualised price return, 5 years -21.5%/yr +59.6%/yr +19.1%/yr AAOI
Less volatileAnnualised volatility, 1 year 69.3% 139.0% 53.1% EXTR
Higher overall scoreMean of the five percentile scores vs peers 41/100 32/100 59/100 EXTR

Percentile Scorecard

RBBNAAOIEXTR

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

AxisRBBNAAOIEXTR
Valuation 62 #43 of 112 12 #99 of 112 53 #53 of 112
Growth 21 #86 of 108 54 #50 of 108 51 #54 of 108
Profitability 34 #69 of 104 16 #88 of 104 76 #26 of 104
Financial Health 18 #95 of 116 71 #34 of 116 24 #89 of 116
Shareholder Returns 71 #23 of 78 9 #71 of 78 90 #9 of 78
Overall 41 32 59
  • RBBN ranked among 121 companies in Computer Hardware
  • AAOI ranked among 121 companies in Computer Hardware
  • EXTR ranked among 121 companies in Computer Hardware

Price Performance

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

Returns

PeriodRBBNAAOIEXTRSPY
1 month -8.9%-21.3%+12.0% +0.7%
3 months -23.1%-12.1%-20.9% +3.7%
6 months -38.3%-51.8%+6.8% +7.1%
Year to date -43.4%+127.2%+41.7% +12.8%
1 year -52.8%+123.2%+31.0% +11.9%
3 years -14.2%+1,018.5%+19.0% +85.2%
3 years, per year -5.0%+123.8%+6.0% +22.8%
5 years -70.2%+935.2%+140.0% +67.6%
5 years, per year -21.5%+59.6%+19.1% +10.9%
10 years -71.3%+302.2%+482.5% +262.0%
10 years, per year -11.7%+14.9%+19.3% +13.7%

Risk

MeasureRBBNAAOIEXTRSPY
Volatility, 1Y 69.3%139.0%53.1% 12.7%
Downside volatility, 1Y 79.5%127.1%51.4% 12.6%
Beta vs S&P 500, 1Y 1.334.321.57 1.00
Return / volatility, 1Y -0.760.890.58 0.94
Max drawdown, 5Y -78.9%-82.6%-67.2% -25.4%
From 52-week high -52.8%-64.5%-30.0% -1.2%
52-week high $3.45$223.10$33.71 $779.14
52-week low $1.32$19.49$13.74 $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.

MultipleRBBNAAOIEXTR
P/E now vs peer median 15.7xmedian 32.9x -113.3xmedian 32.9x 59.1xmedian 32.9x
P/S now vs peer median 0.4xmedian 2.9x 11.2xmedian 2.9x 2.4xmedian 2.9x
EV/EBITDA now vs peer median 18.5xmedian 20.0x -194.4xmedian 20.0x 30.7xmedian 20.0x
P/FCF now vs peer median -10.0xmedian 30.2x -11.1xmedian 30.2x 20.2xmedian 30.2x
P/B now vs peer median 0.8xmedian 2.9x 4.0xmedian 2.9x 35.4xmedian 2.9x
PEG now vs peer median 0.48median 1.08 -3.41median 1.08 -3.29median 1.08

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 monthsRBBNAAOIEXTR
Revenue $800.98M $595.97M $1.31B
Gross profit $386.62M $172.33M $813.05M
Operating income -$29.02M -$67.41M $74.49M
Net income $18.59M -$57.02M $52.49M
Free cash flow -$29.11M -$600.81M $154.76M
R&D $178.44M $107.61M $233.95M
EPS (diluted) $0.10 $-0.70 $0.39
Cash & equivalents $40.38M $499.74M $244.52M
Total debt $342.88M $57.26M $200.00M
Shares (diluted) 178.86M 81.57M 134.68M
Enterprise value $34.75M $4.54B $2.14B

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
MetricRBBNAAOIEXTR
P/E 15.7x -113.3x 59.1x
P/FCF -10.0x -11.1x 20.2x
P/Operating cash flow -15.6x -50.7x 17.1x
P/S 0.4x 11.2x 2.4x
P/B 0.8x 4.0x 35.4x
P/Tangible book 1.1x 4.0x 36.5x
EV/EBITDA 18.5x -194.4x 30.7x
EV/EBIT -20.5x -92.6x 41.3x
EV/Revenue 0.7x 10.5x 2.3x
EV/FCF -20.4x -10.4x 19.9x
EV/Operating cash flow -31.8x -47.3x 16.8x
PEG (3Y EPS CAGR) 0.48 -3.41 -3.29

Growth

14 metrics
MetricRBBNAAOIEXTR
Revenue growth (1Y) -7.8% 61.8% 11.3%
Revenue CAGR (3Y) -1.3% 40.9% -1.3%
Gross profit growth (1Y) -12.1% 62.0% 11.7%
Gross profit CAGR (3Y) -1.2% 73.3% 0.5%
Operating income growth (1Y) -240.9% -40.6% 126.0%
Operating income CAGR (3Y) 9.9% -2.8% -16.3%
Net income growth (1Y) 143.2% 63.4% 506.9%
Net income CAGR (3Y) 33.0% 6.2% -17.7%
EPS growth (1Y) 142.6% 74.5% 508.7%
EPS CAGR (3Y) 32.7% 33.2% -18.0%
Operating cash flow growth (1Y) -122.3% 15.2% 52.9%
Operating cash flow CAGR (3Y) -50.8% -168.6% -12.8%
Free cash flow growth (1Y) -155.4% -146.3% 63.2%
Free cash flow CAGR (3Y) -90.6% -294.2% -15.9%

Profitability

14 metrics
MetricRBBNAAOIEXTR
Gross margin 48.3% 28.9% 61.9%
EBITDA margin 4.0% -5.4% 7.6%
Operating margin -3.6% -11.3% 5.7%
Pretax margin -8.9% -10.6% 4.7%
Net margin 2.3% -9.6% 4.0%
FCF margin -3.6% -100.8% 11.8%
Operating cash flow margin -2.3% -22.1% 13.9%
Return on equity 4.8% -4.1% 59.4%
Return on assets 1.6% -2.9% 4.2%
Return on invested capital 0.0% -4.2% 23.5%
Return on capital employed -3.5% -4.5% 12.8%
Asset turnover 0.7x 0.3x 1.1x
Cash conversion (OCF / net income) -1.0x 2.3x 3.5x
Stock comp / revenue 2.7% 2.6% 6.7%

Financial Health

11 metrics
MetricRBBNAAOIEXTR
Debt / assets 29.8% 2.5% 15.4%
Debt / equity 0.9x 0.0x 2.3x
Net debt / EBITDA 9.4x 13.8x -0.4x
Debt / FCF -11.8x -0.1x 1.3x
Liabilities / assets 66.2% 27.5% 93.2%
Equity / assets 33.8% 72.5% 6.8%
Interest coverage – -19.1x 4.9x
Current ratio 1.3x 2.8x 1.0x
Quick ratio 1.1x 1.9x 0.6x
Cash ratio 0.1x 1.2x 0.4x
Altman Z-score -1.00 6.57 1.79

Shareholder Returns

7 metrics
MetricRBBNAAOIEXTR
Dividend yield – – –
Net buyback yield 1.4% -20.2% 3.2%
Shareholder yield 1.4% -20.2% 3.2%
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.

ConsensusRBBNAAOIEXTR
Forward P/E 32.6xFY2026 111.5xFY2026 17.1xFY2027
EPS, next fiscal year $0.05FY2026 $0.71FY2026 $1.38FY2027
EPS growth, next FY -92.4%FY2026 – +30.2%FY2027
EPS growth, the year after +200.0% +646.5% +2.9%
Revenue, next fiscal year $790.52MFY2026 $994.70MFY2026 $1.34BFY2027
Revenue growth, next FY -6.4%FY2026 +118.3%FY2026 +4.5%FY2027
Revenue growth, the year after +11.9% +185.6% +21.3%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersRBBNAAOIEXTR
Held by institutions 71.8% 60.5% 96.7%
Institutions holding 161 481 338
Change in shares held, QoQ -0.7% -3.5% +1.2%
Institutions buying 88 313 181
Institutions selling 41 143 121
Buyers to sellers 2.15 2.19 1.50

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.

RBBNAAOIEXTR
RBBN 1.00 0.20 0.22
AAOI 0.20 1.00 0.35
EXTR 0.22 0.35 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, RBBN, AAOI and EXTR?

Applied Optoelectronics (AAOI) is the largest by market capitalisation: Ribbon Communications (RBBN) $282.60M, Applied Optoelectronics (AAOI) $5.82B, Extreme Networks (EXTR) $3.03B.

Which stock is cheaper, RBBN, AAOI and EXTR?

Ribbon Communications (RBBN) trades on the lowest price-to-earnings ratio (Ribbon Communications (RBBN) 15.2x, Applied Optoelectronics (AAOI) -102.1x, Extreme Networks (EXTR) 57.6x). On next year's consensus earnings, Extreme Networks (EXTR) is cheapest (Ribbon Communications (RBBN) 32.6x, Applied Optoelectronics (AAOI) 111.5x, Extreme Networks (EXTR) 17.1x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Applied Optoelectronics (AAOI) grew revenue fastest over the trailing twelve months: Ribbon Communications (RBBN) -7.8%, Applied Optoelectronics (AAOI) +61.8%, Extreme Networks (EXTR) +11.3%.

Which company is more profitable?

Extreme Networks (EXTR) has the highest net margin (Ribbon Communications (RBBN) 2.3%, Applied Optoelectronics (AAOI) -9.6%, Extreme Networks (EXTR) 4.0%). On return on invested capital, Extreme Networks (EXTR) leads (Ribbon Communications (RBBN) 0.0%, Applied Optoelectronics (AAOI) -4.2%, Extreme Networks (EXTR) 23.5%).

Which stock has performed better?

Over the past year Applied Optoelectronics (AAOI) returned the most: Ribbon Communications (RBBN) -52.8%, Applied Optoelectronics (AAOI) +123.2%, Extreme Networks (EXTR) +31.0%. Over five years, Applied Optoelectronics (AAOI) compounded fastest (Ribbon Communications (RBBN) -21.5%/yr, Applied Optoelectronics (AAOI) +59.6%/yr, Extreme Networks (EXTR) +19.1%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Extreme Networks (EXTR) has been the steadiest (Ribbon Communications (RBBN) 69.3%, Applied Optoelectronics (AAOI) 139.0%, Extreme Networks (EXTR) 53.1%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, RBBN, AAOI and EXTR?

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.