AUDC vs RNG vs AAOI Stock Comparison

Audiocodes, RingCentral and Applied Optoelectronics Prices as of Nov 5, 2026 Peers: Industry group
1 more company in this comparison (CSCO) Create a free account to keep reading and compare up to 10 companies.
AUDC Audiocodes Ltd
$7.65 -29.8% 1M -21.0% 1Y
Market cap
$207.23M
P/E
27.4x
Revenue (TTM)
$251.85M
Div. yield
5.23%
Networking Equipment Technology
4 wins
RNG RingCentral, Inc.
$74.30 -3.9% 1M +172.1% 1Y
Market cap
$6.27B
P/E
9.4x
Revenue (TTM)
$2.62B
Div. yield
0.36%
Communications Platforms Technology
6 wins

Head to Head

12 decided of 12

RingCentral leads on 6 of the 12 questions below (RingCentral 6, Audiocodes 4, Applied Optoelectronics 2). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionAUDCRNGAAOILeader
Larger companyMarket capitalisation $207.23M $6.27B $4.26B RNG
Cheaper on earningsLower P/E, profitable companies only 27.4x 9.4x -122.1x RNG
Cheaper on forward earningsLower price / next fiscal year consensus EPS 12.0x 14.1x 66.0x AUDC
Faster revenue growthRevenue growth, trailing twelve months +3.0% +5.5% +77.2% AAOI
More profitableNet margin, trailing twelve months 3.2% 25.3% -4.4% RNG
Better return on capitalReturn on invested capital 9.5% 26.1% -2.3% RNG
Less leveragedLower net debt / EBITDA -2.1x 1.5x 68.1x AUDC
Higher dividend yieldTrailing dividend yield 5.23% 0.36% — AUDC
Better 1-year returnPrice return, last 12 months -21.0% +172.1% +48.8% RNG
Better 5-year returnAnnualised price return, 5 years -26.6%/yr -20.5%/yr +51.6%/yr AAOI
Less volatileAnnualised volatility, 1 year 49.1% 67.4% 141.5% AUDC
Higher overall scoreMean of the five percentile scores vs peers 55/100 62/100 33/100 RNG

Percentile Scorecard

AUDCRNGAAOI

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

AxisAUDCRNGAAOI
Valuation 92 #10 of 112 75 #8 of 29 14 #96 of 112
Growth 21 #86 of 108 78 #7 of 28 64 #40 of 108
Profitability 67 #35 of 104 77 #7 of 27 18 #85 of 104
Financial Health 60 #47 of 116 20 #25 of 31 63 #44 of 116
Shareholder Returns 37 #53 of 83 62 #9 of 22 4 #80 of 83
Overall 55 62 33
  • AUDC ranked among 121 companies in Computer Hardware
  • RNG ranked among 31 companies in Workplace Software
  • 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

PeriodAUDCRNGAAOISPY
1 month -29.8%-3.9%-64.0% -5.9%
3 months -22.7%+20.1%-62.3% -4.6%
6 months -8.4%+63.7%-70.2% +0.2%
Year to date -12.4%+157.3%+34.5% +7.5%
1 year -21.0%+172.1%+48.8% +8.2%
3 years -21.4%+163.0%+383.9% +68.3%
3 years, per year -7.7%+38.1%+69.2% +19.0%
5 years -78.7%-68.3%+700.2% +56.5%
5 years, per year -26.6%-20.5%+51.6% +9.4%
10 years +43.5%+270.6%+116.6% +251.5%
10 years, per year +3.7%+14.0%+8.0% +13.4%

Risk

MeasureAUDCRNGAAOISPY
Volatility, 1Y 49.1%67.4%141.5% 13.6%
Downside volatility, 1Y 59.6%55.3%132.3% 14.2%
Beta vs S&P 500, 1Y 0.991.094.37 1.00
Return / volatility, 1Y -0.432.550.34 0.60
Max drawdown, 5Y -81.0%-92.4%-79.0% -25.4%
From 52-week high -34.6%-14.0%-79.0% -5.9%
52-week high $11.70$86.35$223.10 $779.14
52-week low $7.03$24.82$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.

MultipleAUDCRNGAAOI
P/E now vs peer median 27.4xmedian 25.2x 9.4xmedian 34.8x -122.1xmedian 25.2x
P/S now vs peer median 0.8xmedian 2.4x 2.4xmedian 2.1x 5.7xmedian 2.4x
EV/EBITDA now vs peer median 9.3xmedian 16.2x 12.3xmedian 11.9x -463.5xmedian 16.2x
P/FCF now vs peer median 6.5xmedian 23.4x 9.4xmedian 13.6x -4.8xmedian 23.4x
P/B now vs peer median 1.6xmedian 2.3x -506.6xmedian 3.1x 1.9xmedian 2.3x
PEG now vs peer median -2.49median 0.98 0.17median 0.73 -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 monthsAUDCRNGAAOI
Revenue $251.85M $2.62B $747.22M
Gross profit $165.71M $1.89B $215.22M
Operating income $13.67M $196.64M -$50.66M
Net income $7.97M $662.40M -$32.78M
Free cash flow $32.12M $667.24M -$883.41M
R&D $54.31M $330.14M $124.46M
EPS (diluted) $0.27 $7.55 $-0.37
Cash & equivalents $41.99M $110.12M $605.41M
Total debt $7.12M $1.01B $59.99M
Shares (diluted) 28.98M 87.69M 87.84M
Enterprise value -$36.68M $5.80B $2.51B

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
MetricAUDCRNGAAOI
P/E 27.4x 9.4x -122.1x
P/FCF 6.5x 9.4x -4.8x
P/Operating cash flow 7.6x 9.0x -40.1x
P/S 0.8x 2.4x 5.7x
P/B 1.6x -506.6x 1.9x
P/Tangible book 2.4x -111.2x 1.9x
EV/EBITDA 9.3x 12.3x -463.5x
EV/EBIT 12.4x 36.5x -73.2x
EV/Revenue 0.7x 2.7x 5.0x
EV/FCF 5.3x 10.8x -4.2x
EV/Operating cash flow 6.3x 10.3x -34.9x
PEG (3Y EPS CAGR) -2.49 0.17 -2.91

Growth

14 metrics
MetricAUDCRNGAAOI
Revenue growth (1Y) 3.0% 5.5% 77.2%
Revenue CAGR (3Y) 0.0% 6.7% 50.6%
Gross profit growth (1Y) 4.0% 7.0% 74.0%
Gross profit CAGR (3Y) 0.7% 8.0% 70.3%
Operating income growth (1Y) -5.1% 109.8% -2.2%
Operating income CAGR (3Y) -4.2% 35.4% 2.8%
Net income growth (1Y) -42.4% 4,905% 79.0%
Net income CAGR (3Y) -14.3% 53.9% 19.3%
EPS growth (1Y) -39.1% 5,149% 84.8%
EPS CAGR (3Y) -11.0% 55.7% 41.9%
Operating cash flow growth (1Y) -33.1% 16.3% 37.3%
Operating cash flow CAGR (3Y) 65.0% 29.1% -101.6%
Free cash flow growth (1Y) -34.3% 16.5% -192.6%
Free cash flow CAGR (3Y) 40.1% 30.7% -275.9%

Profitability

14 metrics
MetricAUDCRNGAAOI
Gross margin 65.8% 72.2% 28.8%
EBITDA margin 7.2% 22.2% -1.1%
Operating margin 5.4% 7.5% -6.8%
Pretax margin 4.7% 5.0% -4.9%
Net margin 3.2% 25.3% -4.4%
FCF margin 12.8% 25.5% -118.2%
Operating cash flow margin 10.8% 26.7% -14.2%
Return on equity 11.3% – -1.7%
Return on assets 5.2% 40.7% -1.2%
Return on invested capital 9.5% 26.1% -2.3%
Return on capital employed 6.4% 20.7% -2.5%
Asset turnover 0.8x 1.6x 0.3x
Cash conversion (OCF / net income) 3.4x 1.1x 3.2x
Stock comp / revenue 2.3% 9.2% 2.4%

Financial Health

11 metrics
MetricAUDCRNGAAOI
Debt / assets 2.4% 53.9% 1.9%
Debt / equity 0.1x -81.6x 0.0x
Net debt / EBITDA -2.1x 1.5x 68.1x
Debt / FCF 0.2x 1.5x -0.1x
Liabilities / assets 56.2% 100.7% 28.5%
Equity / assets 43.8% -0.7% 71.5%
Interest coverage – 3.1x -13.1x
Current ratio 1.7x 1.1x 2.3x
Quick ratio 1.2x 0.9x 1.5x
Cash ratio 0.5x 0.2x 0.9x
Altman Z-score – 2.95 3.15

Shareholder Returns

7 metrics
MetricAUDCRNGAAOI
Dividend yield 5.2% 0.4% –
Net buyback yield -21.1% 5.1% -41.5%
Shareholder yield -15.9% 5.5% -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.

ConsensusAUDCRNGAAOI
Forward P/E 12.0xFY2026 14.1xFY2026 66.0xFY2026
EPS, next fiscal year $0.64FY2026 $5.28FY2026 $0.71FY2026
EPS growth, next FY +4.9%FY2026 +21.1%FY2026 –
EPS growth, the year after +3.1% +0.6% +646.5%
Revenue, next fiscal year $265.51MFY2026 $2.76BFY2026 $994.70MFY2026
Revenue growth, next FY +8.1%FY2026 +9.7%FY2026 +118.3%FY2026
Revenue growth, the year after +1.2% -3.9% +185.6%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersAUDCRNGAAOI
Held by institutions 33.5% 100.0% 60.5%
Institutions holding 67 379 482
Change in shares held, QoQ +7.5% +2.0% -3.5%
Institutions buying 31 212 313
Institutions selling 20 121 144
Buyers to sellers 1.55 1.75 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.

AUDCRNGAAOI
AUDC 1.00 0.28 0.24
RNG 0.28 1.00 -0.01
AAOI 0.24 -0.01 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, AUDC, RNG and AAOI?

RingCentral (RNG) is the largest by market capitalisation: Audiocodes (AUDC) $207.23M, RingCentral (RNG) $6.27B, Applied Optoelectronics (AAOI) $4.26B.

Which stock is cheaper, AUDC, RNG and AAOI?

RingCentral (RNG) trades on the lowest price-to-earnings ratio (Audiocodes (AUDC) 27.4x, RingCentral (RNG) 9.4x, Applied Optoelectronics (AAOI) -122.1x). On next year's consensus earnings, Audiocodes (AUDC) is cheapest (Audiocodes (AUDC) 12.0x, RingCentral (RNG) 14.1x, 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: Audiocodes (AUDC) +3.0%, RingCentral (RNG) +5.5%, Applied Optoelectronics (AAOI) +77.2%.

Which company is more profitable?

RingCentral (RNG) has the highest net margin (Audiocodes (AUDC) 3.2%, RingCentral (RNG) 25.3%, Applied Optoelectronics (AAOI) -4.4%). On return on invested capital, RingCentral (RNG) leads (Audiocodes (AUDC) 9.5%, RingCentral (RNG) 26.1%, Applied Optoelectronics (AAOI) -2.3%).

Which stock has performed better?

Over the past year RingCentral (RNG) returned the most: Audiocodes (AUDC) -21.0%, RingCentral (RNG) +172.1%, Applied Optoelectronics (AAOI) +48.8%. Over five years, Applied Optoelectronics (AAOI) compounded fastest (Audiocodes (AUDC) -26.6%/yr, RingCentral (RNG) -20.5%/yr, Applied Optoelectronics (AAOI) +51.6%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Audiocodes (AUDC) has the highest dividend yield: Audiocodes (AUDC) 5.23%, RingCentral (RNG) 0.36%. Applied Optoelectronics (AAOI) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Audiocodes (AUDC) has been the steadiest (Audiocodes (AUDC) 49.1%, RingCentral (RNG) 67.4%, Applied Optoelectronics (AAOI) 141.5%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, AUDC, RNG 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, RingCentral (RNG) 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.