API vs SPOK vs ZM Stock Comparison

Agora, Spok Holdings and Zoom Communications Prices as of Oct 28, 2026 Peers: Industry group
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API Agora, Inc.
$4.46 +7.5% 1M +27.1% 1Y
Market cap
$405.15M
P/E
36.9x
Revenue (TTM)
$151.69M
Div. yield
–
Communications Platforms Technology
2 wins
SPOK Spok Holdings, Inc
$10.18 -1.8% 1M -38.0% 1Y
Market cap
$239.62M
P/E
12.8x
Revenue (TTM)
$135.10M
Div. yield
–
Healthcare IT Technology
2 wins
ZM Zoom Communications, Inc.
$100.26 +14.8% 1M +18.1% 1Y
Market cap
$28.54B
P/E
9.0x
Revenue (TTM)
$4.97B
Div. yield
–
Communications Platforms Technology
5 wins

Head to Head

9 decided of 12

Zoom Communications leads on 5 of the 12 questions below (Zoom Communications 5, Agora 2, Spok Holdings 2). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionAPISPOKZMLeader
Larger companyMarket capitalisation $405.15M $239.62M $28.54B ZM
Cheaper on earningsLower P/E, profitable companies only 36.9x 12.8x 9.0x ZM
Cheaper on forward earningsLower price / next fiscal year consensus EPS 31.9x 15.9x 15.5x ZM
Faster revenue growthRevenue growth, trailing twelve months +13.6% -3.3% +4.6% API
More profitableNet margin, trailing twelve months 7.2% — 64.1% ZM
Better return on capitalReturn on invested capital — — — –
Less leveragedLower net debt / EBITDA 1,164x — — –
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months +27.1% -38.0% +18.1% API
Better 5-year returnAnnualised price return, 5 years -27.2%/yr -0.2%/yr -18.3%/yr SPOK
Less volatileAnnualised volatility, 1 year 48.9% 31.7% 44.8% SPOK
Higher overall scoreMean of the five percentile scores vs peers 43/100 67/100 79/100 ZM

Percentile Scorecard

APISPOKZM

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

AxisAPISPOKZM
Valuation 21 #23 of 29 96 #5 of 89 68 #10 of 29
Growth 54 #13 of 27 23 #63 of 81 69 #9 of 27
Profitability 20 #21 of 26 57 #33 of 76 84 #5 of 26
Financial Health 77 #8 of 31 60 #38 of 94 97 #2 of 31
Shareholder Returns – 98 #2 of 52 –
Overall 43 67 79
  • API ranked among 32 companies in Workplace Software
  • SPOK ranked among 98 companies in Vertical 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

PeriodAPISPOKZMSPY
1 month +7.5%-1.8%+14.8% +0.9%
3 months +13.2%-7.1%+8.5% +5.9%
6 months +27.1%-7.9%+4.7% +8.5%
Year to date +9.6%-22.8%+16.2% +13.3%
1 year +27.1%-38.0%+18.1% +12.4%
3 years +50.7%-32.8%+69.1% +88.1%
3 years, per year +14.7%-12.4%+19.2% +23.5%
5 years -79.5%-1.1%-63.5% +68.2%
5 years, per year -27.2%-0.2%-18.3% +11.0%
10 years —-41.2%— +263.4%
10 years, per year —-5.2%— +13.8%

Risk

MeasureAPISPOKZMSPY
Volatility, 1Y 48.9%31.7%44.8% 12.7%
Downside volatility, 1Y 45.5%39.0%42.6% 12.7%
Beta vs S&P 500, 1Y 0.890.181.03 1.00
Return / volatility, 1Y 0.55-1.200.40 0.98
Max drawdown, 5Y -93.1%-46.1%-80.6% -25.4%
From 52-week high -15.2%-38.0%-10.4% -0.9%
52-week high $5.26$16.41$111.88 $779.14
52-week low $3.24$10.11$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.

MultipleAPISPOKZM
P/E now vs peer median 37.4xmedian 31.0x 11.3xmedian 40.6x 9.2xmedian 31.0x
P/S now vs peer median 3.5xmedian 2.5x 1.6xmedian 2.4x 5.9xmedian 2.5x
EV/EBITDA now vs peer median -7,035xmedian 11.2x —median 18.3x 14.4xmedian 11.2x
P/FCF now vs peer median 35.8xmedian 15.6x 8.6xmedian 20.5x —median 15.6x
P/B now vs peer median —median 3.2x 1.5xmedian 1.8x 2.6xmedian 3.2x
PEG now vs peer median 1.34median 0.74 -0.54median 1.74 0.05median 0.74

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 monthsAPISPOKZM
Revenue $151.69M $135.10M $4.97B
Gross profit $97.83M – $3.84B
Operating income -$5.19M $17.45M $1.20B
Net income $10.97M $18.75M $3.19B
Free cash flow $14.67M – –
R&D $57.28M – $881.96M
EPS (diluted) $0.11 $0.89 $10.64
Cash & equivalents $72.67M $30.07M $931.99M
Total debt $1.34M – –
Shares (diluted) 98.86M 21.08M 299.75M
Enterprise value $56.00M $239.62M -$2.24B

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
MetricAPISPOKZM
P/E 37.4x 11.3x 9.2x
P/FCF 35.8x 8.6x –
P/Operating cash flow 38.7x 6.4x –
P/S 3.5x 1.6x 5.9x
P/B – 1.5x 2.6x
P/Tangible book – 1.5x 2.6x
EV/EBITDA -7,035x – 14.4x
EV/EBIT -86.8x – 18.4x
EV/Revenue 3.0x 1.6x 4.4x
EV/FCF 30.7x – –
EV/Operating cash flow 33.2x 6.4x –
PEG (3Y EPS CAGR) 1.34 -0.54 0.05

Growth

14 metrics
MetricAPISPOKZM
Revenue growth (1Y) 13.6% -3.3% 4.6%
Revenue CAGR (3Y) 0.0% -0.8% 3.7%
Gross profit growth (1Y) 9.3% – 5.7%
Gross profit CAGR (3Y) 1.7% – 4.5%
Operating income growth (1Y) 85.7% -14.5% 23.2%
Operating income CAGR (3Y) 65.3% -4.6% 112.9%
Net income growth (1Y) 149.5% 13.0% 168.3%
Net income CAGR (3Y) 27.8% -19.9% 182.3%
EPS growth (1Y) 146.7% 12.7% 175.9%
EPS CAGR (3Y) 27.9% -20.9% 184.2%
Operating cash flow growth (1Y) -20.9% 29.4% –
Operating cash flow CAGR (3Y) 35.5% 16.8% –
Free cash flow growth (1Y) -25.1% – –
Free cash flow CAGR (3Y) 37.4% – –

Profitability

14 metrics
MetricAPISPOKZM
Gross margin 64.5% – 77.2%
EBITDA margin 0.0% – 30.9%
Operating margin -3.4% – 24.1%
Pretax margin 7.3% – 82.5%
Net margin 7.2% – 64.1%
FCF margin 9.7% – –
Operating cash flow margin 8.9% 24.7% –
Return on equity – – 30.2%
Return on assets 1.6% – 25.0%
Return on invested capital – – –
Return on capital employed -0.8% – 11.2%
Asset turnover 0.2x 0.7x 0.4x
Cash conversion (OCF / net income) 1.2x 1.8x –
Stock comp / revenue 3.0% 4.4% –

Financial Health

11 metrics
MetricAPISPOKZM
Debt / assets 0.2% – –
Debt / equity – – –
Net debt / EBITDA 1,164x – –
Debt / FCF 0.1x – –
Liabilities / assets 24.1% 27.1% 16.8%
Equity / assets – 72.9% 83.2%
Interest coverage -86.5x – –
Current ratio 5.1x 1.3x 3.8x
Quick ratio 1.3x – 3.7x
Cash ratio 1.0x – 3.4x
Altman Z-score – – 9.68

Shareholder Returns

7 metrics
MetricAPISPOKZM
Dividend yield – 12.2% –
Net buyback yield – – –
Shareholder yield – 12.2% –
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.

ConsensusAPISPOKZM
Forward P/E 31.9xFY2026 15.9xFY2026 15.5xFY2026
EPS, next fiscal year $0.14FY2026 $0.64FY2026 $6.45FY2026
EPS growth, next FY +40.0%FY2026 -14.7%FY2026 +9.0%FY2026
EPS growth, the year after +107.1% -34.4% +2.8%
Revenue, next fiscal year $171.35MFY2026 $144.30MFY2026 $4.76BFY2026
Revenue growth, next FY +21.5%FY2026 +3.3%FY2026 -2.4%FY2026
Revenue growth, the year after +1.5% -1.7% +8.0%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersAPISPOKZM
Held by institutions 21.2% 51.6% 67.2%
Institutions holding 59 131 862
Change in shares held, QoQ -1.9% +3.0% +2.9%
Institutions buying 27 76 477
Institutions selling 18 40 279
Buyers to sellers 1.50 1.90 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.

APISPOKZM
API 1.00 0.06 0.27
SPOK 0.06 1.00 0.26
ZM 0.27 0.26 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, API, SPOK and ZM?

Zoom Communications (ZM) is the largest by market capitalisation: Agora (API) $405.15M, Spok Holdings (SPOK) $239.62M, Zoom Communications (ZM) $28.54B.

Which stock is cheaper, API, SPOK and ZM?

Zoom Communications (ZM) trades on the lowest price-to-earnings ratio (Agora (API) 36.9x, Spok Holdings (SPOK) 12.8x, Zoom Communications (ZM) 9.0x). On next year's consensus earnings, Zoom Communications (ZM) is cheapest (Agora (API) 31.9x, Spok Holdings (SPOK) 15.9x, Zoom Communications (ZM) 15.5x). 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: Agora (API) +13.6%, Spok Holdings (SPOK) -3.3%, Zoom Communications (ZM) +4.6%.

Which company is more profitable?

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

Which stock has performed better?

Over the past year Agora (API) returned the most: Agora (API) +27.1%, Spok Holdings (SPOK) -38.0%, Zoom Communications (ZM) +18.1%. Over five years, Spok Holdings (SPOK) compounded fastest (Agora (API) -27.2%/yr, Spok Holdings (SPOK) -0.2%/yr, Zoom Communications (ZM) -18.3%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Spok Holdings (SPOK) has been the steadiest (Agora (API) 48.9%, Spok Holdings (SPOK) 31.7%, Zoom Communications (ZM) 44.8%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, API, SPOK 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 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.