RNG vs API vs ZM Stock Comparison

RingCentral, Agora and Zoom Communications Prices as of Oct 26, 2026 Peers: Industry group
RNG RingCentral, Inc.
$86.35 +13.4% 1M +188.1% 1Y
Market cap
$7.23B
P/E
10.9x
Revenue (TTM)
$2.62B
Div. yield
–
Communications Platforms Technology
3 wins
API Agora, Inc.
$4.48 +6.4% 1M +24.4% 1Y
Market cap
$416.18M
P/E
38.0x
Revenue (TTM)
$151.69M
Div. yield
–
Communications Platforms Technology
1 win
ZM Zoom Communications, Inc.
$98.04 +9.3% 1M +16.3% 1Y
Market cap
$28.77B
P/E
9.0x
Revenue (TTM)
$4.97B
Div. yield
–
Communications Platforms Technology
6 wins

Head to Head

10 decided of 12

Zoom Communications leads on 6 of the 12 questions below (Zoom Communications 6, RingCentral 3, Agora 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionRNGAPIZMLeader
Larger companyMarket capitalisation $7.23B $416.18M $28.77B ZM
Cheaper on earningsLower P/E, profitable companies only 10.9x 38.0x 9.0x ZM
Cheaper on forward earningsLower price / next fiscal year consensus EPS 16.4x 32.0x 15.2x ZM
Faster revenue growthRevenue growth, trailing twelve months +5.5% +13.6% +4.6% API
More profitableNet margin, trailing twelve months 25.3% 7.2% 64.1% ZM
Better return on capitalReturn on invested capital 26.1% — — –
Less leveragedLower net debt / EBITDA 1.5x 1,164x — RNG
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months +188.1% +24.4% +16.3% RNG
Better 5-year returnAnnualised price return, 5 years -18.3%/yr -28.9%/yr -18.5%/yr RNG
Less volatileAnnualised volatility, 1 year 67.7% 49.0% 44.8% ZM
Higher overall scoreMean of the five percentile scores vs peers 58/100 42/100 80/100 ZM

Percentile Scorecard

RNGAPIZM

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

AxisRNGAPIZM
Valuation 68 #10 of 29 18 #24 of 29 71 #9 of 29
Growth 65 #10 of 27 54 #13 of 27 69 #9 of 27
Profitability 76 #7 of 26 20 #21 of 26 84 #5 of 26
Financial Health 20 #25 of 31 77 #8 of 31 97 #2 of 31
Shareholder Returns 63 #7 of 17 – –
Overall 58 42 80
  • RNG ranked among 32 companies in Workplace Software
  • API ranked among 32 companies in Workplace Software
  • ZM ranked among 32 companies in Workplace Software

Price Performance

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

Returns

PeriodRNGAPIZMSPY
1 month +13.4%+6.4%+9.3% -0.8%
3 months +60.5%+12.6%+7.5% +3.5%
6 months +113.5%+26.2%+7.9% +7.0%
Year to date +199.0%+10.1%+13.6% +12.2%
1 year +188.1%+24.4%+16.3% +13.0%
3 years +241.3%+51.4%+65.4% +86.3%
3 years, per year +50.6%+14.8%+18.3% +23.1%
5 years -63.6%-81.9%-64.1% +68.6%
5 years, per year -18.3%-28.9%-18.5% +11.0%
10 years +300.7%—— +258.0%
10 years, per year +14.9%—— +13.6%

Risk

MeasureRNGAPIZMSPY
Volatility, 1Y 67.7%49.0%44.8% 12.7%
Downside volatility, 1Y 56.0%45.6%42.6% 12.7%
Beta vs S&P 500, 1Y 1.140.891.03 1.00
Return / volatility, 1Y 2.780.500.36 1.02
Max drawdown, 5Y -92.4%-93.1%-80.6% -25.4%
From 52-week high 0.0%-14.8%-12.4% -1.8%
52-week high $86.35$5.26$111.88 $779.14
52-week low $24.82$3.24$72.72 $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.

MultipleRNGAPIZM
P/E now vs peer median 10.9xmedian 31.9x 37.6xmedian 31.9x 9.0xmedian 31.9x
P/S now vs peer median 2.8xmedian 2.4x 3.5xmedian 2.4x 5.8xmedian 2.4x
EV/EBITDA now vs peer median 14.1xmedian 11.5x -7,072xmedian 11.5x 13.9xmedian 11.5x
P/FCF now vs peer median 10.9xmedian 14.2x 35.9xmedian 14.2x 14.2xmedian 14.2x
P/B now vs peer median -588.8xmedian 3.0x —median 3.0x 2.5xmedian 3.0x
PEG now vs peer median 0.20median 0.77 1.35median 0.77 0.05median 0.77

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 monthsRNGAPIZM
Revenue $2.62B $151.69M $4.97B
Gross profit $1.89B $97.83M $3.84B
Operating income $196.64M -$5.19M $1.20B
Net income $662.40M $10.97M $3.19B
Free cash flow $667.24M $14.67M –
R&D $330.14M $57.28M $881.96M
EPS (diluted) $7.55 $0.11 $10.64
Cash & equivalents $110.12M $72.67M $931.99M
Total debt $1.01B $1.34M –
Shares (diluted) 87.69M 98.86M 299.75M
Enterprise value $6.76B $67.04M -$2.02B

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
MetricRNGAPIZM
P/E 10.9x 37.6x 9.0x
P/FCF 10.9x 35.9x 14.2x
P/Operating cash flow 10.4x 38.9x –
P/S 2.8x 3.5x 5.8x
P/B -588.8x – 2.5x
P/Tangible book -129.3x – 2.5x
EV/EBITDA 14.1x -7,072x 13.9x
EV/EBIT 41.7x -87.2x 17.9x
EV/Revenue 3.1x 3.0x 4.3x
EV/FCF 12.3x 30.9x –
EV/Operating cash flow 11.7x 33.4x –
PEG (3Y EPS CAGR) 0.20 1.35 0.05

Growth

14 metrics
MetricRNGAPIZM
Revenue growth (1Y) 5.5% 13.6% 4.6%
Revenue CAGR (3Y) 6.7% 0.0% 3.7%
Gross profit growth (1Y) 7.0% 9.3% 5.7%
Gross profit CAGR (3Y) 8.0% 1.7% 4.5%
Operating income growth (1Y) 109.8% 85.7% 23.2%
Operating income CAGR (3Y) 35.4% 65.3% 112.9%
Net income growth (1Y) 4,905% 149.5% 168.3%
Net income CAGR (3Y) 53.9% 27.8% 182.3%
EPS growth (1Y) 5,149% 146.7% 175.9%
EPS CAGR (3Y) 55.7% 27.9% 184.2%
Operating cash flow growth (1Y) 16.3% -20.9% –
Operating cash flow CAGR (3Y) 29.1% 35.5% –
Free cash flow growth (1Y) 16.5% -25.1% –
Free cash flow CAGR (3Y) 30.7% 37.4% –

Profitability

14 metrics
MetricRNGAPIZM
Gross margin 72.2% 64.5% 77.2%
EBITDA margin 22.2% 0.0% 30.9%
Operating margin 7.5% -3.4% 24.1%
Pretax margin 5.0% 7.3% 82.5%
Net margin 25.3% 7.2% 64.1%
FCF margin 25.5% 9.7% –
Operating cash flow margin 26.7% 8.9% –
Return on equity – – 30.2%
Return on assets 40.7% 1.6% 25.0%
Return on invested capital 26.1% – –
Return on capital employed 20.7% -0.8% 11.2%
Asset turnover 1.6x 0.2x 0.4x
Cash conversion (OCF / net income) 1.1x 1.2x –
Stock comp / revenue 9.2% 3.0% –

Financial Health

11 metrics
MetricRNGAPIZM
Debt / assets 53.9% 0.2% –
Debt / equity -81.6x – –
Net debt / EBITDA 1.5x 1,164x –
Debt / FCF 1.5x 0.1x –
Liabilities / assets 100.7% 24.1% 16.8%
Equity / assets -0.7% – 83.2%
Interest coverage 3.1x -86.5x –
Current ratio 1.1x 5.1x 3.8x
Quick ratio 0.9x 1.3x 3.7x
Cash ratio 0.2x 1.0x 3.4x
Altman Z-score 3.27 – 9.51

Shareholder Returns

7 metrics
MetricRNGAPIZM
Dividend yield 0.3% – –
Net buyback yield 4.4% – –
Shareholder yield 4.7% – –
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.

ConsensusRNGAPIZM
Forward P/E 16.4xFY2026 32.0xFY2026 15.2xFY2026
EPS, next fiscal year $5.28FY2026 $0.14FY2026 $6.45FY2026
EPS growth, next FY +21.1%FY2026 +40.0%FY2026 +9.0%FY2026
EPS growth, the year after +0.6% +107.1% +2.8%
Revenue, next fiscal year $2.76BFY2026 $171.35MFY2026 $4.76BFY2026
Revenue growth, next FY +9.7%FY2026 +21.5%FY2026 -2.4%FY2026
Revenue growth, the year after -3.9% +1.5% +8.0%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersRNGAPIZM
Held by institutions 100.0% 21.2% 67.2%
Institutions holding 379 59 862
Change in shares held, QoQ +2.0% -1.9% +2.9%
Institutions buying 212 27 477
Institutions selling 121 18 279
Buyers to sellers 1.75 1.50 1.71

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.

RNGAPIZM
RNG 1.00 0.23 0.50
API 0.23 1.00 0.27
ZM 0.50 0.27 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, RNG, API and ZM?

Zoom Communications (ZM) is the largest by market capitalisation: RingCentral (RNG) $7.23B, Agora (API) $416.18M, Zoom Communications (ZM) $28.77B.

Which stock is cheaper, RNG, API and ZM?

Zoom Communications (ZM) trades on the lowest price-to-earnings ratio (RingCentral (RNG) 10.9x, Agora (API) 38.0x, Zoom Communications (ZM) 9.0x). On next year's consensus earnings, Zoom Communications (ZM) is cheapest (RingCentral (RNG) 16.4x, Agora (API) 32.0x, Zoom Communications (ZM) 15.2x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Agora (API) grew revenue fastest over the trailing twelve months: RingCentral (RNG) +5.5%, Agora (API) +13.6%, Zoom Communications (ZM) +4.6%.

Which company is more profitable?

Zoom Communications (ZM) has the highest net margin (RingCentral (RNG) 25.3%, Agora (API) 7.2%, Zoom Communications (ZM) 64.1%).

Which stock has performed better?

Over the past year RingCentral (RNG) returned the most: RingCentral (RNG) +188.1%, Agora (API) +24.4%, Zoom Communications (ZM) +16.3%. Over five years, RingCentral (RNG) compounded fastest (RingCentral (RNG) -18.3%/yr, Agora (API) -28.9%/yr, Zoom Communications (ZM) -18.5%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Zoom Communications (ZM) has been the steadiest (RingCentral (RNG) 67.7%, Agora (API) 49.0%, Zoom Communications (ZM) 44.8%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, RNG, API and ZM?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Zoom Communications (ZM) 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.