ZS Stock Eases After-Hours — Zscaler Tops Q4 Forecasts Driven By AI-Powered Security Demand, But High-Value Customer Growth Slows
Zscaler (ZS) reported Q4 revenue of $898.2M, up 25% YoY, beating estimates. Adjusted earnings were $1.19 per share, exceeding forecasts. The company narrowed its GAAP net loss and saw a 50% sequential rise in AI security bookings. For FY2026, revenue rose 25% to $3.353B. ZS stock slipped 1.8% after-hours due to concerns over growth relative to peers and high-value customer growth slowdown.
How this was made

The 30-second read
Why it matters
Earnings beat and guidance above consensus provide a fresh catalyst for price movement; investors will weigh growth sustainability.
Market read
Zscaler's performance is a bellwether for the AI‑enabled cybersecurity market, influencing peer valuations.
What to watch
Potential competitive pressure from Palo Alto, CrowdStrike and Okta may limit margin expansion.
Background
Zscaler's Q4 results and FY27 outlook were released after market close, with analysts noting AI security demand.
Ticker impact
Zscaler reported Q4 revenue beat and issued FY27 revenue and EPS guidance above estimates.
Potential short‑term rally of 3‑5% if market digests guidance positively.
Quarterly beat is material and guidance exceeds consensus; market typically reacts sharply to such earnings.
Market effects
Highlights growing demand for AI‑driven security, may boost other cloud‑security peers.
U.S. tech sector could see modest lift in the near term.
Signals broader AI security spending trends worldwide.
Counterpoint
Slowing high‑value customer growth could indicate a ceiling on future ARR expansion.
Key entities
- executiveJay Chaudhry
CEO of Zscaler, provided commentary on AI security demand.


