Zscaler Q4FY26 Results: Revenue up 25% YoY, AI bookings surge
- Revenue rose 25% YoY to $898.2 million in Q4 FY26
- Non-GAAP operating margins hit a record 24.3%
- AI security bookings surged over 50% sequentially
- Z-Flex program generated $770 million in quarterly contract value
- Fiscal 2027 revenue guided at $3.91 billion–$3.94 billion

*this image is generated using AI for illustrative purposes only.
Zscaler Inc (NASDAQ: ZS) shares rose 14.83% to $188.94 on Monday afternoon, driven by sector-wide capital rotation into enterprise cybersecurity platforms. The rally follows the company's fourth-quarter fiscal 2026 earnings update on Sept. 3, which highlighted robust fundamental execution and accelerating demand for AI-focused security solutions.
The stock movement aligns with broader market sentiment regarding AI safety governance. Weekend statements from industry leaders, including Anthropic CEO Dario Amodei, emphasized the need for voluntary deceleration in frontier model development to prioritize system security. This narrative has elevated demand for runtime security capabilities, benefiting cloud-native providers like Zscaler.
Financial Performance Overview
Zscaler delivered strong top-line growth and margin expansion in its latest fiscal quarter. The company reported revenue of $898.2 million, representing a 25% year-over-year increase. Total Annual Recurring Revenue (ARR) reached $3.77 billion.
| Metric | Value | Change |
|---|---|---|
| Revenue | $898.2 million | +25% YoY |
| Total ARR | $3.77 billion | N/A |
| Non-GAAP Operating Margin | 24.3% | Record high |
Profitability metrics showed significant strength, with non-GAAP operating margins reaching a record 24.3%. This margin expansion underscores the scalability of Zscaler's software model as it scales revenue.
AI Security and Commercial Growth
A key driver of the recent performance was the surge in AI-specific demand. AI-focused security bookings grew by over 50% sequentially in the fourth quarter. This acceleration reflects enterprise adoption of Zscaler's Zero Trust Exchange architecture, which integrates inline AI Guardrails, AI Asset Management, and Agentic SOC protection for large language models.
Additionally, the company's flexible Z-Flex commercial program generated $770 million in quarterly contract value, indicating sustained commercial momentum beyond core product lines.
What the Numbers Show
The divergence between the 25% revenue growth and the record 24.3% operating margin suggests improving operational leverage. Simultaneously, the >50% sequential jump in AI security bookings indicates that new AI-related workloads are being monetized rapidly, contributing to both top-line expansion and high-margin software revenue streams.
Forward Guidance
Looking ahead, Zscaler provided fiscal 2027 revenue guidance of $3.91 billion–$3.94 billion. This outlook reinforces management's confidence in continued enterprise AI adoption and the immediate monetization potential of its security platform.
How might the industry's push for voluntary deceleration in frontier model development impact the long-term revenue trajectory of Zscaler's AI security bookings?
Can Zscaler sustain its record 24.3% operating margin as it scales to meet the $3.91 billion–$3.94 billion fiscal 2027 revenue guidance?
What competitive risks does Zscaler face from traditional cybersecurity vendors or cloud providers integrating similar AI guardrails into their native platforms?

































