CALX vs VIV vs AAOI Stock Comparison

Calix, Telefonica Brasil and Applied Optoelectronics Prices as of Nov 5, 2026 Peers: Industry group
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CALX Calix, Inc
$31.86 -9.6% 1M -52.6% 1Y
Market cap
$1.95B
P/E
42.6x
Revenue (TTM)
$1.15B
Div. yield
–
Networking Equipment Technology
VIV Telefonica Brasil S.A.
$11.32 -10.6% 1M -10.1% 1Y
Market cap
$18.47B
P/E
14.8x
Revenue (TTM)
$11.69B
Div. yield
–
Wireless Carriers Communication Services
7 wins

Head to Head

10 decided of 12

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

QuestionCALXVIVAAOILeader
Larger companyMarket capitalisation $1.95B $18.47B $4.22B VIV
Cheaper on earningsLower P/E, profitable companies only 42.6x 14.8x -128.7x VIV
Cheaper on forward earningsLower price / next fiscal year consensus EPS 19.1x 12.4x 66.0x VIV
Faster revenue growthRevenue growth, trailing twelve months +22.9% +15.9% +77.2% AAOI
More profitableNet margin, trailing twelve months 4.0% 10.7% -4.4% VIV
Better return on capitalReturn on invested capital — — -2.3% –
Less leveragedLower net debt / EBITDA — -0.3x 68.1x VIV
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months -52.6% -10.1% +48.8% AAOI
Better 5-year returnAnnualised price return, 5 years -14.9%/yr +4.6%/yr +51.6%/yr AAOI
Less volatileAnnualised volatility, 1 year 41.8% 34.6% 141.5% VIV
Higher overall scoreMean of the five percentile scores vs peers 71/100 86/100 33/100 VIV

Percentile Scorecard

CALXVIVAAOI

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

AxisCALXVIVAAOI
Valuation 50 #57 of 112 90 #6 of 49 14 #96 of 112
Growth 69 #34 of 108 80 #10 of 47 64 #40 of 108
Profitability 59 #43 of 104 82 #9 of 46 18 #85 of 104
Financial Health 75 #30 of 116 94 #4 of 49 63 #44 of 116
Shareholder Returns 100 #1 of 83 86 #6 of 36 4 #80 of 83
Overall 71 86 33
  • CALX ranked among 121 companies in Computer Hardware
  • VIV ranked among 51 companies in Telecommunications
  • 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

PeriodCALXVIVAAOISPY
1 month -9.6%-10.6%-64.0% -5.9%
3 months -14.9%-6.4%-62.3% -4.6%
6 months -26.8%-26.4%-70.2% +0.2%
Year to date -39.8%-4.6%+34.5% +7.5%
1 year -52.6%-10.1%+48.8% +8.2%
3 years -10.5%+17.7%+383.9% +68.3%
3 years, per year -3.6%+5.6%+69.2% +19.0%
5 years -55.2%+25.2%+700.2% +56.5%
5 years, per year -14.9%+4.6%+51.6% +9.4%
10 years +382.7%-18.4%+116.6% +251.5%
10 years, per year +17.1%-2.0%+8.0% +13.4%

Risk

MeasureCALXVIVAAOISPY
Volatility, 1Y 41.8%34.6%141.5% 13.6%
Downside volatility, 1Y 45.9%39.1%132.3% 14.2%
Beta vs S&P 500, 1Y 0.990.464.37 1.00
Return / volatility, 1Y -1.26-0.290.34 0.60
Max drawdown, 5Y -65.3%-44.5%-79.0% -25.4%
From 52-week high -52.6%-34.0%-79.0% -5.9%
52-week high $67.18$17.14$223.10 $779.14
52-week low $31.86$10.98$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.

MultipleCALXVIVAAOI
P/E now vs peer median 43.7xmedian 25.2x 14.7xmedian 11.9x -122.1xmedian 25.2x
P/S now vs peer median 1.7xmedian 2.4x 1.5xmedian 1.1x 5.7xmedian 2.4x
EV/EBITDA now vs peer median 23.2xmedian 16.2x 3.4xmedian 6.6x -463.5xmedian 16.2x
P/FCF now vs peer median 31.7xmedian 23.4x 4.7xmedian 4.7x -4.8xmedian 23.4x
P/B now vs peer median 2.8xmedian 2.3x —median 1.5x 1.9xmedian 2.3x
PEG now vs peer median 41.08median 0.98 -30.70median 0.27 -2.91median 0.98

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 monthsCALXVIVAAOI
Revenue $1.15B $11.69B $747.22M
Gross profit $637.49M $5.26B $215.22M
Operating income $60.39M $1.99B -$50.66M
Net income $45.75M $1.29B -$32.78M
Free cash flow $62.16M $3.83B -$883.41M
R&D $215.00M – $124.46M
EPS (diluted) $0.71 $0.77 $-0.37
Cash & equivalents $55.89M $1.64B $605.41M
Total debt – $29.48M $59.99M
Shares (diluted) 64.45M 1.61B 87.84M
Enterprise value $970.16M $12.49B $2.47B

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
MetricCALXVIVAAOI
P/E 43.7x 14.7x -122.1x
P/FCF 31.7x 4.7x -4.8x
P/Operating cash flow 23.6x 4.7x -40.1x
P/S 1.7x 1.5x 5.7x
P/B 2.8x – 1.9x
P/Tangible book 2.8x – 1.9x
EV/EBITDA 23.2x 3.4x -463.5x
EV/EBIT 30.0x 8.3x -73.2x
EV/Revenue 1.6x 1.4x 5.0x
EV/FCF 29.2x 4.3x -4.2x
EV/Operating cash flow 21.7x 4.3x -34.9x
PEG (3Y EPS CAGR) 41.08 -30.70 -2.91

Growth

14 metrics
MetricCALXVIVAAOI
Revenue growth (1Y) 22.9% 15.9% 77.2%
Revenue CAGR (3Y) 4.0% 6.2% 50.6%
Gross profit growth (1Y) 21.6% 18.6% 74.0%
Gross profit CAGR (3Y) 6.4% 7.7% 70.3%
Operating income growth (1Y) 958.5% 27.2% -2.2%
Operating income CAGR (3Y) 6.0% 12.4% 2.8%
Net income growth (1Y) 730.9% 35.5% 79.0%
Net income CAGR (3Y) -1.5% 12.6% 19.3%
EPS growth (1Y) 783.2% -15.5% 84.8%
EPS CAGR (3Y) 1.1% -0.5% 41.9%
Operating cash flow growth (1Y) -19.9% 8.3% 37.3%
Operating cash flow CAGR (3Y) 20.7% -0.5% -101.6%
Free cash flow growth (1Y) -27.3% 384.6% -192.6%
Free cash flow CAGR (3Y) 29.3% -0.5% -275.9%

Profitability

14 metrics
MetricCALXVIVAAOI
Gross margin 55.6% 45.0% 28.8%
EBITDA margin 6.8% 42.0% -1.1%
Operating margin 5.3% 17.1% -6.8%
Pretax margin 6.1% 12.6% -4.9%
Net margin 4.0% 10.7% -4.4%
FCF margin 5.4% 32.7% -118.2%
Operating cash flow margin 7.3% 32.7% -14.2%
Return on equity 6.5% – -1.7%
Return on assets 4.9% 5.2% -1.2%
Return on invested capital – – -2.3%
Return on capital employed 8.0% – -2.5%
Asset turnover 1.2x 0.5x 0.3x
Cash conversion (OCF / net income) 1.8x 3.0x 3.2x
Stock comp / revenue 7.0% – 2.4%

Financial Health

11 metrics
MetricCALXVIVAAOI
Debt / assets – 0.1% 1.9%
Debt / equity – – 0.0x
Net debt / EBITDA – -0.3x 68.1x
Debt / FCF – 0.0x -0.1x
Liabilities / assets 24.1% – 28.5%
Equity / assets 75.9% – 71.5%
Interest coverage – 2.5x -13.1x
Current ratio 3.0x – 2.3x
Quick ratio 1.5x – 1.5x
Cash ratio 0.8x – 0.9x
Altman Z-score 6.80 – 3.15

Shareholder Returns

7 metrics
MetricCALXVIVAAOI
Dividend yield – 7.8% –
Net buyback yield 12.6% – -41.5%
Shareholder yield 12.6% 7.8% -41.5%
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.

ConsensusCALXVIVAAOI
Forward P/E 19.1xFY2026 12.4xFY2026 66.0xFY2026
EPS, next fiscal year $1.67FY2026 $0.91FY2026 $0.71FY2026
EPS growth, next FY +24.6%FY2026 +23.0%FY2026 –
EPS growth, the year after +56.3% +39.6% +646.5%
Revenue, next fiscal year $1.11BFY2026 $13.09BFY2026 $994.70MFY2026
Revenue growth, next FY +11.0%FY2026 +13.1%FY2026 +118.3%FY2026
Revenue growth, the year after +19.6% -3.3% +185.6%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersCALXVIVAAOI
Held by institutions 94.5% 3.9% 60.5%
Institutions holding 290 226 482
Change in shares held, QoQ +0.5% -4.8% -3.5%
Institutions buying 148 123 313
Institutions selling 111 76 144
Buyers to sellers 1.33 1.62 2.17

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.

CALXVIVAAOI
CALX 1.00 0.07 0.25
VIV 0.07 1.00 0.08
AAOI 0.25 0.08 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, CALX, VIV and AAOI?

Telefonica Brasil (VIV) is the largest by market capitalisation: Calix (CALX) $1.95B, Telefonica Brasil (VIV) $18.47B, Applied Optoelectronics (AAOI) $4.22B.

Which stock is cheaper, CALX, VIV and AAOI?

Telefonica Brasil (VIV) trades on the lowest price-to-earnings ratio (Calix (CALX) 42.6x, Telefonica Brasil (VIV) 14.8x, Applied Optoelectronics (AAOI) -128.7x). On next year's consensus earnings, Telefonica Brasil (VIV) is cheapest (Calix (CALX) 19.1x, Telefonica Brasil (VIV) 12.4x, Applied Optoelectronics (AAOI) 66.0x). 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: Calix (CALX) +22.9%, Telefonica Brasil (VIV) +15.9%, Applied Optoelectronics (AAOI) +77.2%.

Which company is more profitable?

Telefonica Brasil (VIV) has the highest net margin (Calix (CALX) 4.0%, Telefonica Brasil (VIV) 10.7%, Applied Optoelectronics (AAOI) -4.4%).

Which stock has performed better?

Over the past year Applied Optoelectronics (AAOI) returned the most: Calix (CALX) -52.6%, Telefonica Brasil (VIV) -10.1%, Applied Optoelectronics (AAOI) +48.8%. Over five years, Applied Optoelectronics (AAOI) compounded fastest (Calix (CALX) -14.9%/yr, Telefonica Brasil (VIV) +4.6%/yr, Applied Optoelectronics (AAOI) +51.6%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Telefonica Brasil (VIV) has been the steadiest (Calix (CALX) 41.8%, Telefonica Brasil (VIV) 34.6%, Applied Optoelectronics (AAOI) 141.5%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, CALX, VIV 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, Telefonica Brasil (VIV) 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.