FFIV vs ZS vs NTSK Stock Comparison

F5, Zscaler and Netskope Prices as of Oct 23, 2026 Peers: Industry group
FFIV F5, Inc.
$455.42 -0.1% 1M +50.9% 1Y
Market cap
$26.20B
P/E
36.1x
Revenue (TTM)
$3.31B
Div. yield
–
Cybersecurity Software Technology
6 wins
ZS Zscaler, Inc.
$255.15 +19.0% 1M -20.0% 1Y
Market cap
$41.78B
P/E
–
Revenue (TTM)
—
Div. yield
–
Cybersecurity Software Technology
1 win
NTSK Netskope Inc
$24.28 +30.7% 1M +5.6% 1Y
Market cap
$10.25B
P/E
–
Revenue (TTM)
$802.64M
Div. yield
–
Cybersecurity Software Technology
1 win

Head to Head

8 decided of 12

F5 leads on 6 of the 12 questions below (F5 6, Zscaler 1, Netskope 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionFFIVZSNTSKLeader
Larger companyMarket capitalisation $26.20B $41.78B $10.25B ZS
Cheaper on earningsLower P/E, profitable companies only 36.1x -647.0x -13.9x –
Cheaper on forward earningsLower price / next fiscal year consensus EPS 28.0x 56.1x — FFIV
Faster revenue growthRevenue growth, trailing twelve months +9.4% — +30.4% NTSK
More profitableNet margin, trailing twelve months 22.0% — -91.8% FFIV
Better return on capitalReturn on invested capital — — — –
Less leveragedLower net debt / EBITDA — — — –
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months +50.9% -20.0% +5.6% FFIV
Better 5-year returnAnnualised price return, 5 years +17.0%/yr -3.7%/yr — FFIV
Less volatileAnnualised volatility, 1 year 35.1% 71.1% 77.5% FFIV
Higher overall scoreMean of the five percentile scores vs peers 64/100 — 23/100 FFIV

Percentile Scorecard

FFIVZSNTSK

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

AxisFFIVZSNTSK
Valuation 74 #33 of 124 17 #103 of 124 12 #109 of 124
Growth 40 #68 of 113 – 38 #71 of 113
Profitability 94 #8 of 110 – 23 #85 of 110
Financial Health 52 #63 of 129 33 #87 of 129 29 #92 of 129
Shareholder Returns 60 #28 of 68 – 15 #58 of 68
Overall 64 – 23
  • FFIV ranked among 137 companies in Infrastructure Software
  • ZS ranked among 137 companies in Infrastructure Software
  • NTSK ranked among 137 companies in Infrastructure Software

Price Performance

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

Returns

PeriodFFIVZSNTSKSPY
1 month -0.1%+19.0%+30.7% -1.0%
3 months +16.1%+79.3%+110.6% +2.9%
6 months +50.2%+88.3%+152.1% +6.4%
Year to date +78.4%+13.4%+38.4% +11.4%
1 year +50.9%-20.0%+5.6% +13.1%
3 years +207.2%+54.8%— +79.4%
3 years, per year +45.4%+15.7%— +21.5%
5 years +118.7%-17.1%— +67.7%
5 years, per year +17.0%-3.7%— +10.9%
10 years +285.7%—— +255.2%
10 years, per year +14.5%—— +13.5%

Risk

MeasureFFIVZSNTSKSPY
Volatility, 1Y 35.1%71.1%77.5% 12.7%
Downside volatility, 1Y 34.6%83.1%87.8% 12.7%
Beta vs S&P 500, 1Y 1.040.961.86 1.00
Return / volatility, 1Y 1.45-0.280.07 1.03
Max drawdown, 5Y -47.4%-76.4%-70.0% -25.4%
From 52-week high -5.1%-24.1%0.0% -2.5%
52-week high $479.83$336.27$24.28 $779.14
52-week low $223.99$118.05$7.73 $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.

MultipleFFIVZSNTSK
P/E now vs peer median 35.6xmedian 37.4x -647.0xmedian 37.4x -13.3xmedian 37.4x
P/S now vs peer median 7.8xmedian 4.4x 12.4xmedian 4.4x 12.3xmedian 4.4x
EV/EBITDA now vs peer median 26.7xmedian 35.0x —median 35.0x -13.4xmedian 35.0x
P/FCF now vs peer median 26.7xmedian 27.2x 48.8xmedian 27.2x -141.2xmedian 27.2x
P/B now vs peer median 6.7xmedian 3.4x 16.0xmedian 3.4x 63.2xmedian 3.4x
PEG now vs peer median 1.12median 1.27 —median 1.27 —median 1.27

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 monthsFFIVZSNTSK
Revenue $3.31B – $802.64M
Gross profit $2.71B – $561.19M
Operating income $812.13M – -$759.79M
Net income $726.51M – -$737.16M
Free cash flow $969.60M – -$70.14M
R&D $593.25M – $575.79M
EPS (diluted) $12.62 – $-1.82
Cash & equivalents $1.61B $928.35M $220.85M
Shares (diluted) 57.55M 160.22M 405.05M
Enterprise value $20.60B $27.90B $5.76B

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
MetricFFIVZSNTSK
P/E 35.6x -647.0x -13.3x
P/FCF 26.7x 48.8x -141.2x
P/Operating cash flow 24.7x – -241.0x
P/S 7.8x 12.4x 12.3x
P/B 6.7x 16.0x 63.2x
P/Tangible book 6.7x 17.5x 71.7x
EV/EBITDA 26.7x – -13.4x
EV/EBIT 29.9x – -11.6x
EV/Revenue 7.3x – 11.0x
EV/FCF 25.0x – -126.0x
EV/Operating cash flow 23.1x – -215.1x
PEG (3Y EPS CAGR) 1.12 – –

Growth

14 metrics
MetricFFIVZSNTSK
Revenue growth (1Y) 9.4% – 30.4%
Revenue CAGR (3Y) 5.7% – –
Gross profit growth (1Y) 10.5% – 32.4%
Gross profit CAGR (3Y) 7.1% – –
Operating income growth (1Y) 8.1% – -307.8%
Operating income CAGR (3Y) 25.8% – –
Net income growth (1Y) 8.9% – -132.3%
Net income CAGR (3Y) 29.8% – –
EPS growth (1Y) 10.7% – 38.0%
EPS CAGR (3Y) 31.9% – –
Operating cash flow growth (1Y) 6.2% – –
Operating cash flow CAGR (3Y) 19.3% – –
Free cash flow growth (1Y) 1.5% – –
Free cash flow CAGR (3Y) 19.3% – –

Profitability

14 metrics
MetricFFIVZSNTSK
Gross margin 81.9% – 69.9%
EBITDA margin 27.5% – -82.0%
Operating margin 24.5% – -94.7%
Pretax margin 25.8% – -90.3%
Net margin 22.0% – -91.8%
FCF margin 29.3% – -8.7%
Operating cash flow margin 31.7% – -5.1%
Return on equity 19.4% – -443.7%
Return on assets 10.9% – -43.3%
Return on invested capital – – –
Return on capital employed 16.6% – -75.1%
Asset turnover 0.5x – 0.5x
Cash conversion (OCF / net income) 1.4x – 0.1x
Stock comp / revenue 7.6% – 79.4%

Financial Health

11 metrics
MetricFFIVZSNTSK
Debt / assets – – –
Debt / equity – – –
Net debt / EBITDA – – –
Debt / FCF – – –
Liabilities / assets 43.5% 67.0% 90.8%
Equity / assets 56.5% 33.0% 9.2%
Interest coverage – – –
Current ratio 1.7x 1.7x 2.0x
Quick ratio 1.5x 1.6x 1.8x
Cash ratio 0.9x 1.2x 1.5x
Altman Z-score 7.09 – 0.98

Shareholder Returns

7 metrics
MetricFFIVZSNTSK
Dividend yield – – –
Net buyback yield 0.6% – -10.4%
Shareholder yield 0.6% – -10.4%
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.

ConsensusFFIVZSNTSK
Forward P/E 28.0xFY2026 56.1xFY2027 –
EPS, next fiscal year $16.24FY2026 $4.55FY2027 $-0.16FY2026
EPS growth, next FY +2.7%FY2026 +8.1%FY2027 –
EPS growth, the year after +5.0% +27.0% –
Revenue, next fiscal year $3.52BFY2026 $4.07BFY2027 $868.74MFY2026
Revenue growth, next FY +13.8%FY2026 +21.5%FY2027 +22.5%FY2026
Revenue growth, the year after +6.4% +19.4% +28.8%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersFFIVZSNTSK
Held by institutions 96.6% 51.4% 45.9%
Institutions holding 831 734 203
Change in shares held, QoQ -2.6% -3.9% +31.5%
Institutions buying 483 416 154
Institutions selling 240 236 30
Buyers to sellers 2.01 1.76 5.13

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.

FFIVZSNTSK
FFIV 1.00 0.34 0.35
ZS 0.34 1.00 0.58
NTSK 0.35 0.58 1.00

Add a Peer

Largest companies in the same industry

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Frequently Asked Questions

Which is bigger, FFIV, ZS and NTSK?

Zscaler (ZS) is the largest by market capitalisation: F5 (FFIV) $26.20B, Zscaler (ZS) $41.78B, Netskope (NTSK) $10.25B.

Which company is growing faster?

Netskope (NTSK) grew revenue fastest over the trailing twelve months: F5 (FFIV) +9.4%, Netskope (NTSK) +30.4%.

Which company is more profitable?

F5 (FFIV) has the highest net margin (F5 (FFIV) 22.0%, Netskope (NTSK) -91.8%).

Which stock has performed better?

Over the past year F5 (FFIV) returned the most: F5 (FFIV) +50.9%, Zscaler (ZS) -20.0%, Netskope (NTSK) +5.6%. Over five years, F5 (FFIV) compounded fastest (F5 (FFIV) +17.0%/yr, Zscaler (ZS) -3.7%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, F5 (FFIV) has been the steadiest (F5 (FFIV) 35.1%, Zscaler (ZS) 71.1%, Netskope (NTSK) 77.5%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, FFIV, ZS and NTSK?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, F5 (FFIV) 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.