ALLT vs CALX vs AAOI Stock Comparison

Allot, Calix and Applied Optoelectronics Prices as of Oct 29, 2026 Peers: Industry group
ALLT Allot Ltd.
$8.94 +5.9% 1M -8.1% 1Y
Market cap
$381.65M
P/E
37.3x
Revenue (TTM)
$108.95M
Div. yield
–
Networking Equipment Technology
5 wins
CALX Calix, Inc
$38.31 +14.3% 1M -38.4% 1Y
Market cap
$2.33B
P/E
45.6x
Revenue (TTM)
$1.11B
Div. yield
–
Networking Equipment Technology
2 wins

Head to Head

11 decided of 12

Allot leads on 5 of the 12 questions below (Allot 5, Applied Optoelectronics 4, Calix 2). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionALLTCALXAAOILeader
Larger companyMarket capitalisation $381.65M $2.33B $5.59B AAOI
Cheaper on earningsLower P/E, profitable companies only 37.3x 45.6x -98.1x ALLT
Cheaper on forward earningsLower price / next fiscal year consensus EPS 25.5x 23.6x 111.5x CALX
Faster revenue growthRevenue growth, trailing twelve months +14.3% +27.8% +61.8% AAOI
More profitableNet margin, trailing twelve months 9.4% 4.6% -9.6% ALLT
Better return on capitalReturn on invested capital 5.4% — -4.2% ALLT
Less leveragedLower net debt / EBITDA -6.7x — 13.8x ALLT
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months -8.1% -38.4% +123.2% AAOI
Better 5-year returnAnnualised price return, 5 years -9.7%/yr -9.4%/yr +59.6%/yr AAOI
Less volatileAnnualised volatility, 1 year 62.0% 41.6% 139.0% CALX
Higher overall scoreMean of the five percentile scores vs peers 77/100 76/100 32/100 ALLT

Percentile Scorecard

ALLTCALXAAOI

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

AxisALLTCALXAAOI
Valuation 69 #36 of 112 60 #46 of 112 12 #99 of 112
Growth 87 #15 of 108 82 #20 of 108 54 #50 of 108
Profitability 75 #27 of 104 64 #38 of 104 16 #88 of 104
Financial Health 77 #27 of 116 77 #28 of 116 71 #34 of 116
Shareholder Returns – 97 #3 of 78 9 #71 of 78
Overall 77 76 32
  • ALLT ranked among 121 companies in Computer Hardware
  • CALX 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

PeriodALLTCALXAAOISPY
1 month +5.9%+14.3%-21.3% +0.7%
3 months +19.0%+8.9%-12.1% +3.7%
6 months +21.8%-12.1%-51.8% +7.1%
Year to date -9.1%-27.6%+127.2% +12.8%
1 year -8.1%-38.4%+123.2% +11.9%
3 years +388.5%+16.2%+1,018.5% +85.2%
3 years, per year +69.7%+5.1%+123.8% +22.8%
5 years -39.8%-38.8%+935.2% +67.6%
5 years, per year -9.7%-9.4%+59.6% +10.9%
10 years +70.0%+498.6%+302.2% +262.0%
10 years, per year +5.4%+19.6%+14.9% +13.7%

Risk

MeasureALLTCALXAAOISPY
Volatility, 1Y 62.0%41.6%139.0% 12.7%
Downside volatility, 1Y 71.8%43.8%127.1% 12.6%
Beta vs S&P 500, 1Y 1.590.884.32 1.00
Return / volatility, 1Y -0.13-0.920.89 0.94
Max drawdown, 5Y -91.8%-65.3%-82.6% -25.4%
From 52-week high -22.3%-44.0%-64.5% -1.2%
52-week high $11.50$68.42$223.10 $779.14
52-week low $6.25$33.15$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.

MultipleALLTCALXAAOI
P/E now vs peer median 38.5xmedian 32.9x 47.5xmedian 32.9x -113.3xmedian 32.9x
P/S now vs peer median 4.0xmedian 2.9x 2.2xmedian 2.9x 11.2xmedian 2.9x
EV/EBITDA now vs peer median 35.4xmedian 20.0x 28.0xmedian 20.0x -194.4xmedian 20.0x
P/FCF now vs peer median 13.0xmedian 30.2x 28.2xmedian 30.2x -11.1xmedian 30.2x
P/B now vs peer median 3.6xmedian 2.9x 3.4xmedian 2.9x 4.0xmedian 2.9x
PEG now vs peer median 1.32median 1.08 6.72median 1.08 -3.41median 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 monthsALLTCALXAAOI
Revenue $108.95M $1.11B $595.97M
Gross profit $77.68M $628.73M $172.33M
Operating income $7.35M $61.25M -$67.41M
Net income $10.24M $51.19M -$57.02M
Free cash flow $33.47M $85.42M -$600.81M
R&D $24.52M $207.99M $107.61M
EPS (diluted) $0.22 $0.78 $-0.70
Cash & equivalents $13.76M $68.91M $499.74M
Total debt $3.57M – $57.26M
Shares (diluted) 46.18M 65.51M 81.57M
Enterprise value $133.90M $1.17B $4.31B

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
MetricALLTCALXAAOI
P/E 38.5x 47.5x -113.3x
P/FCF 13.0x 28.2x -11.1x
P/Operating cash flow 13.9x 22.0x -50.7x
P/S 4.0x 2.2x 11.2x
P/B 3.6x 3.4x 4.0x
P/Tangible book 3.6x 3.4x 4.0x
EV/EBITDA 35.4x 28.0x -194.4x
EV/EBIT 49.7x 36.2x -92.6x
EV/Revenue 3.4x 2.0x 10.5x
EV/FCF 10.9x 26.0x -10.4x
EV/Operating cash flow 11.7x 20.3x -47.3x
PEG (3Y EPS CAGR) 1.32 6.72 -3.41

Growth

14 metrics
MetricALLTCALXAAOI
Revenue growth (1Y) 14.3% 27.8% 61.8%
Revenue CAGR (3Y) 1.5% 3.9% 40.9%
Gross profit growth (1Y) 16.3% 30.3% 62.0%
Gross profit CAGR (3Y) 4.0% 7.4% 73.3%
Operating income growth (1Y) 819.6% 273.3% -40.6%
Operating income CAGR (3Y) 28.8% 3.8% -2.8%
Net income growth (1Y) 605.8% 290.5% 63.4%
Net income CAGR (3Y) 30.0% 4.9% 6.2%
EPS growth (1Y) 526.3% 287.6% 74.5%
EPS CAGR (3Y) 29.2% 7.1% 33.2%
Operating cash flow growth (1Y) 168.4% 24.5% 15.2%
Operating cash flow CAGR (3Y) 41.3% 41.8% -168.6%
Free cash flow growth (1Y) 168.0% 19.4% -146.3%
Free cash flow CAGR (3Y) 43.8% 62.0% -294.2%

Profitability

14 metrics
MetricALLTCALXAAOI
Gross margin 71.3% 56.6% 28.9%
EBITDA margin 9.5% 7.1% -5.4%
Operating margin 6.7% 5.5% -11.3%
Pretax margin 10.8% 6.5% -10.6%
Net margin 9.4% 4.6% -9.6%
FCF margin 30.7% 7.7% -100.8%
Operating cash flow margin 28.7% 9.9% -22.1%
Return on equity 8.7% 7.1% -4.1%
Return on assets 5.2% 5.4% -2.9%
Return on invested capital 5.4% – -4.2%
Return on capital employed 5.8% 8.2% -4.5%
Asset turnover 0.6x 1.2x 0.3x
Cash conversion (OCF / net income) 3.0x 2.1x 2.3x
Stock comp / revenue 4.9% 7.2% 2.6%

Financial Health

11 metrics
MetricALLTCALXAAOI
Debt / assets 0.8% – 2.5%
Debt / equity 0.0x – 0.0x
Net debt / EBITDA -6.7x – 13.8x
Debt / FCF 0.0x – -0.1x
Liabilities / assets 41.4% 25.6% 27.5%
Equity / assets 58.6% 74.4% 72.5%
Interest coverage – – -19.1x
Current ratio 2.3x 2.8x 2.8x
Quick ratio 1.4x 1.6x 1.9x
Cash ratio 1.0x 0.9x 1.2x
Altman Z-score 2.50 7.28 6.57

Shareholder Returns

7 metrics
MetricALLTCALXAAOI
Dividend yield – – –
Net buyback yield – 7.9% -20.2%
Shareholder yield – 7.9% -20.2%
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.

ConsensusALLTCALXAAOI
Forward P/E 25.5xFY2026 23.6xFY2026 111.5xFY2026
EPS, next fiscal year $0.35FY2026 $1.62FY2026 $0.71FY2026
EPS growth, next FY +52.2%FY2026 +20.9%FY2026 –
EPS growth, the year after +5.7% +48.1% +646.5%
Revenue, next fiscal year $120.75MFY2026 $1.11BFY2026 $994.70MFY2026
Revenue growth, next FY +18.4%FY2026 +11.0%FY2026 +118.3%FY2026
Revenue growth, the year after +11.3% +18.8% +185.6%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersALLTCALXAAOI
Held by institutions 82.4% 94.5% 60.5%
Institutions holding 82 289 481
Change in shares held, QoQ +1.0% +0.5% -3.5%
Institutions buying 49 148 313
Institutions selling 19 111 143
Buyers to sellers 2.58 1.33 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.

ALLTCALXAAOI
ALLT 1.00 0.25 0.17
CALX 0.25 1.00 0.24
AAOI 0.17 0.24 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, ALLT, CALX and AAOI?

Applied Optoelectronics (AAOI) is the largest by market capitalisation: Allot (ALLT) $381.65M, Calix (CALX) $2.33B, Applied Optoelectronics (AAOI) $5.59B.

Which stock is cheaper, ALLT, CALX and AAOI?

Allot (ALLT) trades on the lowest price-to-earnings ratio (Allot (ALLT) 37.3x, Calix (CALX) 45.6x, Applied Optoelectronics (AAOI) -98.1x). On next year's consensus earnings, Calix (CALX) is cheapest (Allot (ALLT) 25.5x, Calix (CALX) 23.6x, Applied Optoelectronics (AAOI) 111.5x). 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: Allot (ALLT) +14.3%, Calix (CALX) +27.8%, Applied Optoelectronics (AAOI) +61.8%.

Which company is more profitable?

Allot (ALLT) has the highest net margin (Allot (ALLT) 9.4%, Calix (CALX) 4.6%, Applied Optoelectronics (AAOI) -9.6%). On return on invested capital, Allot (ALLT) leads (Allot (ALLT) 5.4%, Applied Optoelectronics (AAOI) -4.2%).

Which stock has performed better?

Over the past year Applied Optoelectronics (AAOI) returned the most: Allot (ALLT) -8.1%, Calix (CALX) -38.4%, Applied Optoelectronics (AAOI) +123.2%. Over five years, Applied Optoelectronics (AAOI) compounded fastest (Allot (ALLT) -9.7%/yr, Calix (CALX) -9.4%/yr, Applied Optoelectronics (AAOI) +59.6%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Calix (CALX) has been the steadiest (Allot (ALLT) 62.0%, Calix (CALX) 41.6%, Applied Optoelectronics (AAOI) 139.0%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, ALLT, CALX 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, Allot (ALLT) leads on 5. 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.