AAOI vs ERIC vs CALX Stock Comparison

Applied Optoelectronics, Ericsson Lm Telephone and Calix Prices as of Oct 26, 2026 Peers: Industry group
ERIC Ericsson Lm Telephone Co
$10.89 +14.3% 1M +15.2% 1Y
Market cap
$36.91B
P/E
18.1x
Revenue (TTM)
$24.56B
Div. yield
-0.03%
Networking Equipment Technology
7 wins
CALX Calix, Inc
$37.69 +13.7% 1M -38.5% 1Y
Market cap
$2.43B
P/E
47.5x
Revenue (TTM)
$1.11B
Div. yield
–
Networking Equipment Technology
1 win

Head to Head

11 decided of 12

Ericsson Lm Telephone leads on 7 of the 12 questions below (Ericsson Lm Telephone 7, Applied Optoelectronics 3, Calix 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionAAOIERICCALXLeader
Larger companyMarket capitalisation $6.25B $36.91B $2.43B ERIC
Cheaper on earningsLower P/E, profitable companies only -109.7x 18.1x 47.5x ERIC
Cheaper on forward earningsLower price / next fiscal year consensus EPS 101.3x 16.8x 23.3x ERIC
Faster revenue growthRevenue growth, trailing twelve months +61.8% -38.5% +27.8% AAOI
More profitableNet margin, trailing twelve months -9.6% 8.3% 4.6% ERIC
Better return on capitalReturn on invested capital -4.2% 20.0% — ERIC
Less leveragedLower net debt / EBITDA 13.8x -0.6x — ERIC
Higher dividend yieldTrailing dividend yield 0.00% -0.03% 0.00% –
Better 1-year returnPrice return, last 12 months +111.5% +15.2% -38.5% AAOI
Better 5-year returnAnnualised price return, 5 years +56.4%/yr -0.2%/yr -8.5%/yr AAOI
Less volatileAnnualised volatility, 1 year 138.9% 36.5% 41.6% ERIC
Higher overall scoreMean of the five percentile scores vs peers 33/100 59/100 76/100 CALX

Percentile Scorecard

AAOIERICCALX

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

AxisAAOIERICCALX
Valuation 12 #98 of 111 88 #14 of 111 59 #46 of 111
Growth 55 #49 of 108 46 #59 of 108 81 #21 of 108
Profitability 16 #88 of 104 86 #15 of 104 65 #37 of 104
Financial Health 72 #33 of 115 40 #70 of 115 75 #29 of 115
Shareholder Returns 9 #74 of 81 38 #51 of 81 98 #3 of 81
Overall 33 59 76
  • AAOI ranked among 121 companies in Computer Hardware
  • ERIC ranked among 121 companies in Computer Hardware
  • CALX ranked among 121 companies in Computer Hardware

Price Performance

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

Returns

PeriodAAOIERICCALXSPY
1 month -29.1%+14.3%+13.7% -0.8%
3 months -26.5%+12.6%+2.2% +3.5%
6 months -50.7%-1.5%-11.6% +7.0%
Year to date +106.4%+12.8%-28.8% +12.2%
1 year +111.5%+15.2%-38.5% +13.0%
3 years +921.9%+149.8%+15.2% +86.3%
3 years, per year +117.1%+35.7%+4.8% +23.1%
5 years +835.5%-1.0%-35.9% +68.6%
5 years, per year +56.4%-0.2%-8.5% +11.0%
10 years +236.3%+116.1%+493.5% +258.0%
10 years, per year +12.9%+8.0%+19.5% +13.6%

Risk

MeasureAAOIERICCALXSPY
Volatility, 1Y 138.9%36.5%41.6% 12.7%
Downside volatility, 1Y 126.6%36.7%44.0% 12.7%
Beta vs S&P 500, 1Y 4.291.030.88 1.00
Return / volatility, 1Y 0.800.42-0.92 1.02
Max drawdown, 5Y -82.6%-65.8%-65.3% -25.4%
From 52-week high -67.8%-20.7%-44.9% -1.8%
52-week high $223.10$13.74$68.42 $779.14
52-week low $19.49$9.15$33.15 $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.

MultipleAAOIERICCALX
P/E now vs peer median -102.9xmedian 32.0x 17.8xmedian 32.0x 46.8xmedian 32.0x
P/S now vs peer median 10.2xmedian 2.8x 1.5xmedian 2.8x 2.1xmedian 2.8x
EV/EBITDA now vs peer median -175.3xmedian 19.4x 9.1xmedian 19.4x 27.5xmedian 19.4x
P/FCF now vs peer median -10.1xmedian 29.0x 9.8xmedian 29.0x 27.8xmedian 29.0x
P/B now vs peer median 3.6xmedian 2.9x 3.3xmedian 2.9x 3.3xmedian 2.9x
PEG now vs peer median -3.10median 1.13 0.41median 1.13 6.61median 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 monthsAAOIERICCALX
Revenue $595.97M $24.56B $1.11B
Gross profit $172.33M $11.51B $628.73M
Operating income -$67.41M $2.90B $61.25M
Net income -$57.02M $2.04B $51.19M
Free cash flow -$600.81M $3.76B $85.42M
R&D $107.61M $5.22B $207.99M
EPS (diluted) $-0.70 $0.61 $0.78
Cash & equivalents $499.74M $5.11B $68.91M
Total debt $57.26M $3.73B –
Shares (diluted) 81.57M 3.34B 65.51M
Enterprise value $4.97B $14.53B $1.27B

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
MetricAAOIERICCALX
P/E -102.9x 17.8x 46.8x
P/FCF -10.1x 9.8x 27.8x
P/Operating cash flow -46.1x 10.7x 21.7x
P/S 10.2x 1.5x 2.1x
P/B 3.6x 3.3x 3.3x
P/Tangible book 3.6x 3.3x 3.3x
EV/EBITDA -175.3x 9.1x 27.5x
EV/EBIT -83.5x 11.9x 35.6x
EV/Revenue 9.4x 1.4x 2.0x
EV/FCF -9.4x 9.2x 25.5x
EV/Operating cash flow -42.7x 10.0x 19.9x
PEG (3Y EPS CAGR) -3.10 0.41 6.61

Growth

14 metrics
MetricAAOIERICCALX
Revenue growth (1Y) 61.8% -38.5% 27.8%
Revenue CAGR (3Y) 40.9% -2.0% 3.9%
Gross profit growth (1Y) 62.0% 3.7% 30.3%
Gross profit CAGR (3Y) 73.3% 4.0% 7.4%
Operating income growth (1Y) -40.6% -18.4% 273.3%
Operating income CAGR (3Y) -2.8% 55.0% 3.8%
Net income growth (1Y) 63.4% -18.7% 290.5%
Net income CAGR (3Y) 6.2% 43.4% 4.9%
EPS growth (1Y) 74.5% -17.7% 287.6%
EPS CAGR (3Y) 33.2% 43.1% 7.1%
Operating cash flow growth (1Y) 15.2% 4.3% 24.5%
Operating cash flow CAGR (3Y) -168.6% 44.0% 41.8%
Free cash flow growth (1Y) -146.3% 6.1% 19.4%
Free cash flow CAGR (3Y) -294.2% 34.7% 62.0%

Profitability

14 metrics
MetricAAOIERICCALX
Gross margin 28.9% 46.8% 56.6%
EBITDA margin -5.4% 15.4% 7.1%
Operating margin -11.3% 11.8% 5.5%
Pretax margin -10.6% 11.2% 6.5%
Net margin -9.6% 8.3% 4.6%
FCF margin -100.8% 15.3% 7.7%
Operating cash flow margin -22.1% 14.0% 9.9%
Return on equity -4.1% 18.7% 7.1%
Return on assets -2.9% 6.8% 5.4%
Return on invested capital -4.2% 20.0% –
Return on capital employed -4.5% 17.8% 8.2%
Asset turnover 0.3x 0.8x 1.2x
Cash conversion (OCF / net income) 2.3x 1.7x 2.1x
Stock comp / revenue 2.6% – 7.2%

Financial Health

11 metrics
MetricAAOIERICCALX
Debt / assets 2.5% 12.4% –
Debt / equity 0.0x 0.3x –
Net debt / EBITDA 13.8x -0.6x –
Debt / FCF -0.1x 1.0x –
Liabilities / assets 27.5% 63.1% 25.6%
Equity / assets 72.5% 36.9% 74.4%
Interest coverage -19.1x – –
Current ratio 2.8x 1.2x 2.8x
Quick ratio 1.9x 0.8x 1.6x
Cash ratio 1.2x 0.4x 0.9x
Altman Z-score 5.99 – 7.18

Shareholder Returns

7 metrics
MetricAAOIERICCALX
Dividend yield – 2.8% –
Net buyback yield -22.3% -2.2% 8.1%
Shareholder yield -22.3% 0.6% 8.1%
Payout ratio (earnings) – 50.9% –
Payout ratio (FCF) – 27.7% –
Dividend growth (1Y) – -13.4% –
Dividend CAGR (3Y) – -7.7% –

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.

ConsensusAAOIERICCALX
Forward P/E 101.3xFY2026 16.8xFY2026 23.3xFY2026
EPS, next fiscal year $0.71FY2026 $0.65FY2026 $1.62FY2026
EPS growth, next FY – -30.9%FY2026 +20.9%FY2026
EPS growth, the year after +646.5% -3.1% +48.1%
Revenue, next fiscal year $994.70MFY2026 $24.16BFY2026 $1.11BFY2026
Revenue growth, next FY +118.3%FY2026 -8.1%FY2026 +11.0%FY2026
Revenue growth, the year after +185.6% +1.0% +18.8%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersAAOIERICCALX
Held by institutions 60.5% 9.5% 94.5%
Institutions holding 481 388 288
Change in shares held, QoQ -3.5% +0.4% +0.5%
Institutions buying 313 219 148
Institutions selling 143 110 111
Buyers to sellers 2.19 1.99 1.33

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.

AAOIERICCALX
AAOI 1.00 0.23 0.23
ERIC 0.23 1.00 0.26
CALX 0.23 0.26 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, AAOI, ERIC and CALX?

Ericsson Lm Telephone (ERIC) is the largest by market capitalisation: Applied Optoelectronics (AAOI) $6.25B, Ericsson Lm Telephone (ERIC) $36.91B, Calix (CALX) $2.43B.

Which stock is cheaper, AAOI, ERIC and CALX?

Ericsson Lm Telephone (ERIC) trades on the lowest price-to-earnings ratio (Applied Optoelectronics (AAOI) -109.7x, Ericsson Lm Telephone (ERIC) 18.1x, Calix (CALX) 47.5x). On next year's consensus earnings, Ericsson Lm Telephone (ERIC) is cheapest (Applied Optoelectronics (AAOI) 101.3x, Ericsson Lm Telephone (ERIC) 16.8x, Calix (CALX) 23.3x). 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: Applied Optoelectronics (AAOI) +61.8%, Ericsson Lm Telephone (ERIC) -38.5%, Calix (CALX) +27.8%.

Which company is more profitable?

Ericsson Lm Telephone (ERIC) has the highest net margin (Applied Optoelectronics (AAOI) -9.6%, Ericsson Lm Telephone (ERIC) 8.3%, Calix (CALX) 4.6%). On return on invested capital, Ericsson Lm Telephone (ERIC) leads (Applied Optoelectronics (AAOI) -4.2%, Ericsson Lm Telephone (ERIC) 20.0%).

Which stock has performed better?

Over the past year Applied Optoelectronics (AAOI) returned the most: Applied Optoelectronics (AAOI) +111.5%, Ericsson Lm Telephone (ERIC) +15.2%, Calix (CALX) -38.5%. Over five years, Applied Optoelectronics (AAOI) compounded fastest (Applied Optoelectronics (AAOI) +56.4%/yr, Ericsson Lm Telephone (ERIC) -0.2%/yr, Calix (CALX) -8.5%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Ericsson Lm Telephone (ERIC) has been the steadiest (Applied Optoelectronics (AAOI) 138.9%, Ericsson Lm Telephone (ERIC) 36.5%, Calix (CALX) 41.6%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, AAOI, ERIC and CALX?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Ericsson Lm Telephone (ERIC) leads on 7. 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.