S vs ZS Stock Comparison: AI Score, Valuation, Performance and Upside
SentinelOne and Zscaler both represent next-generation, cloud-native cybersecurity approaches, but SentinelOne focuses on AI-native endpoint detection and response protecting devices and workloads, while Zscaler focuses on cloud-delivered zero trust network access, securing how users connect to applications without relying on traditional network security hardware.
SentinelOne offers exposure to AI-native endpoint security as a smaller challenger with share-gain potential, while Zscaler offers exposure to the more established, category-defining zero trust network access market at a premium valuation. Consider whether you prefer SentinelOne's endpoint security challenger positioning or Zscaler's zero trust network access leadership.
ZS holds the edge across 3 of 5 key metrics in this comparison. S has delivered stronger 1-year price return (+38.81% vs -17.14%), though ZS has the better forward P/E setup (40.07x vs 42.15x for S). ZS leads on both revenue growth (25.40%) and operating margin (-3.28%), suggesting a stronger fundamental setup on both dimensions. Analyst consensus implies meaningfully more upside for S (+22.69%) than for ZS (+7.95%).
Human Wall Street analysts' price targets, typically implying a ~12-month view — a separate signal from this site's own AI Prediction Signal further down the page, which is a 5-/30-day machine-learning forecast based on price history alone.
- Want exposure to AI-native endpoint detection and response as a smaller challenger in a large market
- Value SentinelOne's autonomous, machine-learning-driven threat detection architecture
- Believe continued platform expansion beyond endpoint protection can drive further growth
- Are comfortable with the execution risk of a smaller company still working toward sustained profitability
- Want exposure to the leading, category-defining cloud-delivered zero trust network access platform
- Value Zscaler's cloud-native architecture that avoids legacy network security hardware limitations
- Believe continued zero trust adoption will drive further large customer expansion
- Are comfortable paying a premium valuation for the established zero trust network access market leader
| Metric | S | ZS |
|---|---|---|
| AI scorei | 26.3 | 55.1 |
| AI ranki | #2509 | #499 |
| Latest closei | $24.00 | $255.15 |
| 1M returni | -0.41% | +18.98% |
| 3M returni | +32.30% | +79.28% |
| 6M returni | +68.54% | +88.30% |
| 1Y returni | +38.81% | -17.14% |
How much would $10,000 be worth today if invested at the start of each period, with all dividends reinvested?
| Period | S | ZS |
|---|---|---|
| 1Y ago | $13.82K (+38.2%) started 2025-10-23 | $8K (-20.0%) started 2025-10-23 |
| 5Y ago | $3.68K (-63.2%) started 2021-10-25 | $8.2K (-18.0%) started 2021-10-25 |
| 10Y ago | $5.65K (-43.5%) started 2021-06-30 | $77.32K (+673.2%) started 2018-03-16 |
Hypothetical — past performance does not guarantee future results.
| Metric | S | ZS |
|---|---|---|
| Market capi | $6.85B | $29.79B |
| Trailing P/Ei | N/A | N/A |
| Forward P/Ei | 42.15 | 40.07 |
| Price/Salesi | N/A | 8.60 |
| EV/Revenuei | 5.82 | 8.86 |
| Analyst targeti | $24.15 | $198.88 |
| Target upsidei | +22.69% | +7.95% |
| Metric | S | ZS |
|---|---|---|
| Revenue growthi | 20.60% | 25.40% |
| Earnings growthi | N/A | N/A |
| EPS growthi | N/A | N/A |
| FCF margini | +27.06% | +34.94% |
| Operating margini | -21.57% | -3.28% |
| Profit margini | -30.95% | -2.44% |
| ROIC proxyi | -23.01% | -3.71% |
| Return on equityi | -23.01% | -3.71% |
| Dividend yieldi | N/A | N/A |
| Payout ratioi | N/A | N/A |
| Dividend growth streaki | N/A | N/A |
| Betai | 0.75 | 0.92 |
| Debt/equityi | N/A | 78.94 |
| Current ratioi | 1.45 | 1.86 |
| Quick ratioi | 1.27 | 1.72 |
Over the past year, S and ZS have moved moderately in the same direction (correlation of 0.65), based on daily returns.
Lower drawdown and smaller single-period drops generally indicate a smoother ride, though they do not guarantee lower future risk.
| Period | Metric | S | ZS |
|---|---|---|---|
| 1Y | Growthi | +38.17% | -19.96% |
| CAGRi | +38.23% | -19.98% | |
| Volatilityi | 54.23% | 67.50% | |
| Sharpe ratioi | 0.79 | -0.04 | |
| Sortino ratioi | 1.12 | -0.05 | |
| Max drawdowni | 33.11% | 64.89% | |
| Current drawdowni | 8.64% | 24.12% | |
| Avg drawdowni | 13.19% | 44.15% | |
| Ulcer Indexi | 15.82% | 47.00% | |
| Max daily dropi | 14.44% | 31.52% | |
| Max wkly dropi | 17.85% | 27.87% | |
| 5Y | Growthi | -63.22% | -18.01% |
| CAGRi | -18.15% | -3.90% | |
| Volatilityi | 62.93% | 58.04% | |
| Sharpe ratioi | -0.07 | 0.15 | |
| Sortino ratioi | -0.09 | 0.21 | |
| Max drawdowni | 84.35% | 76.41% | |
| Current drawdowni | 68.55% | 30.81% | |
| Avg drawdowni | 70.36% | 47.20% | |
| Ulcer Indexi | 71.65% | 49.88% | |
| Max daily dropi | 35.14% | 31.52% | |
| Max wkly dropi | 40.12% | 34.63% | |
| 10Y | Growthi | -43.53% | +673.18% |
| CAGRi | -10.20% | +26.83% | |
| Volatilityi | 63.46% | 58.52% | |
| Sharpe ratioi | 0.08 | 0.62 | |
| Sortino ratioi | 0.11 | 0.91 | |
| Max drawdowni | 84.35% | 76.41% | |
| Current drawdowni | 68.55% | 30.81% | |
| Avg drawdowni | 66.72% | 33.53% | |
| Ulcer Indexi | 69.52% | 40.25% | |
| Max daily dropi | 35.14% | 31.52% | |
| Max wkly dropi | 40.12% | 34.63% |
| Category | S | ZS |
|---|---|---|
| Company | SentinelOne, Inc. | Zscaler, Inc. |
| Sector | Technology | Technology |
| Industry | Software - Infrastructure | Software - Infrastructure |
| Core business | A cybersecurity company providing an AI-native endpoint detection and response platform, using autonomous, machine-learning-driven threat detection to protect enterprise devices, cloud workloads, and identities from cyberattacks. | A cloud-native cybersecurity company providing zero trust network access, replacing traditional network security hardware with a cloud-delivered security platform that connects users directly and securely to applications without a traditional corporate network perimeter. |
| Investor focus | Annual recurring revenue (ARR) growth, platform module adoption beyond core endpoint protection, and progress toward sustained profitability. | Annual recurring revenue (ARR) growth, large customer expansion, and progress on newer platform initiatives beyond core zero trust network access. |
- AI-native architecture designed from the ground up for autonomous, machine-learning-driven threat detection and response
- Growing platform expanding beyond core endpoint protection into cloud security and identity protection
- Positioned as a challenger with room to gain share in the large and growing endpoint security market
- Leading position in cloud-delivered zero trust network access, a category it helped pioneer and define
- Cloud-native architecture avoids the scalability and management challenges of legacy network security hardware
- Strong enterprise customer base with significant land-and-expand opportunity as zero trust adoption continues growing
- Smaller scale than more established endpoint security competitors like CrowdStrike, requiring continued share gains to grow
- Path to sustained GAAP profitability remains a key area of investor focus given continued growth investment
- Faces intense competition from both larger, established players and other emerging endpoint security vendors
- Premium valuation reflects high growth expectations that require continued large customer and platform expansion to justify
- Faces increasing competition from other cybersecurity vendors expanding into zero trust and SASE offerings
- Growth rate has moderated from earlier hyper-growth years as the company scales and its market matures
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