Buy
Thesis MAINTAINING
×
Valuation CHEAP
·
Method PS
HIGH 6.4pts from 70 ↓10.4 over 7d unstable 5d

Investment Thesis

Strong — all assumptions holding Maintaining — minor concerns, thesis intact Weak — key assumptions under pressure Broken — critical assumption invalidated
Status MAINTAINING
Conviction 64 / 100
Time Horizon 12-18 months
Last Grading 10-Q Q3 FY26 2 BEAT 2 MEET
GROWTH Over the next 12-18 months, Zscaler will deliver durable, profitable growth by capturing market share in AI security and expanding its Zero Trust Everywhere platform, leading to continued ARR growth and operating margin expansion.

Conviction vs. Price

Assumptions

Holding — assumption intact At Risk — evidence weakening Broken — assumption invalidated Critical — if broken, thesis fails
BEAT — exceeded target MEET — met expectations MISS — missed target Insufficient Data
#1 CRITICAL GROWTH HOLDING 72

Zscaler will successfully monetize the rapidly expanding AI security market by accelerating adoption of its AI Protect and Agentic Operations solutions across new and existing customers.

GROWTH 60% VOLUME 40%
Quarterly Checkpoint: Q4 FY26 Revenue growth >= 26.3% YoY (Q3 FY26 actual: 25.0% YoY; Management guidance: ~22% YoY, but calibration anchor is higher)
Thesis Horizon Target: ZDX Advanced Plus bookings (including ZDX CoPilot) grow over 80% YoY to exceed $100M in 12 months (Q2 FY26 booking data: >$100M in last 12 months, +80% YoY)
Grade History: 10-Q Q2 FY26 10-Q Q3 FY26
#2 CRITICAL GROWTH AT_RISK 47

Expansion of Zscaler's Zero Trust Everywhere platform, particularly Zero Trust Branch and Zero Trust Cloud, will continue to displace legacy security infrastructure and contribute meaningfully to ARR growth.

GROWTH 50% VOLUME 50%
Quarterly Checkpoint: Q4 FY26 Revenue >= $876.5M (Q3 FY26 actual: $850M; Management guidance: $875M-$878M, using midpoint)
Thesis Horizon Target: FY26 full-year ARR of $3.74B to $3.75B, representing approximately 24% YoY growth (Management guidance revised)
Grade History: 10-Q Q2 FY26 10-Q Q3 FY26
#3 FINANCIAL HEALTH AT_RISK 49

Zscaler will expand its non-GAAP operating margins through sustained sales productivity improvements and scale benefits from its cloud infrastructure, while maintaining robust free cash flow generation.

COGS 40% CAPEX 30% PRICING 30%
Quarterly Checkpoint: Q4 FY26 OPM% >= 23% (Q3 FY26 actual: 23%; Management guidance: $206M-$208M operating profit, implying ~23.5% OPM)
Thesis Horizon Target: FY26 full-year non-GAAP operating profit of $742M to $748M, up 28% to 29% YoY, with FCF margin of 22.8% to 23.3% (Management guidance revised)
Grade History: 10-Q Q2 FY26 10-Q Q3 FY26
#4 GOING CONCERN AT_RISK 64

No significant governance or regulatory issues will emerge that materially impede Zscaler's operations or market position, including challenges related to data privacy or AI security compliance.

GOING_CONCERN 100%
Quarterly Checkpoint: No major data breaches or regulatory fines > $50M, and no adverse findings from data privacy audits in Q4 FY26 (Q3 FY26 actual: compliant)
Thesis Horizon Target: Continued adherence to global data privacy laws (e.g., GDPR, CCPA) and no material legal/regulatory actions impacting business continuity through FY26
Transcript Checkpoint: No further sales leadership departures or material supply chain disruptions impacting guidance in Q4 FY26 (Q3 FY26 actual: 2 sales leaders departed, supply chain pressures noted)
Grade History: 10-Q Q2 FY26 10-Q Q3 FY26

Recent Developments

Structural Tactical
VOLUME STRUCTURAL Apr 29, 2026

IXT Brings Zero Trust Security to IoT Connectivity with Zscaler - Yahoo Finance UK

Partnered with IXT to integrate Zero Trust Exchange security into IoT connectivity solutions for autonomous and industrial traffic.

GROWTH STRUCTURAL Mar 13, 2026

Zscaler (ZS) Enhances Global Data Sovereignty with Expanded Capa - GuruFocus

Expanded global data sovereignty capabilities with new regional control planes and in-region SSL inspection to meet local compliance laws.

GROWTH STRUCTURAL Feb 19, 2026

Zscaler, together with Bharti Airtel, announce launch of AI & cyber threat research center - marketscreener.com

Zscaler partnered with Bharti Airtel to launch an AI and cyber threat research center in India to study AI-driven attacks.

GROWTH STRUCTURAL Feb 14, 2026

Your Encryption Is Already Outdated. A $6.15 Trillion Fix Is Underway - GlobeNewswire

CISA issued procurement guidance requiring post-quantum cryptography (PQC) for federal agencies, positioning Zscaler as a primary beneficiary of mandatory security migrations.

GROWTH STRUCTURAL Feb 12, 2026

Down 18% In Last 12 Months, Can Zscaler Stock Deliver Strong Returns in 2026? - TIKR.com

AI Security ARR grew 80% YoY, hitting the $400M FY2026 target three quarters early; company now operates at a Rule of 78.

GROWTH STRUCTURAL Feb 11, 2026

Zscaler Finds Enterprises Unprepared For AI-Driven Cyber Threats - SMEStreet

Zscaler ThreatLabz 2026 report confirms AI/ML transactions on the platform reached nearly 1 trillion annually, with 309% YoY growth in India, validating the platform's role in securing autonomous AI traffic.

GROWTH STRUCTURAL Feb 10, 2026

AI fear grips Wall Street as a new stock market reality sets in - Communications Today

Zscaler acquired SquareX to integrate browser-native threat protection into its Zero Trust Exchange, targeting unmanaged devices and AI workflows.

GROWTH STRUCTURAL Feb 08, 2026

Key deals this week: Zscaler, Eldorado Gold, Henkel and more (ZS:NASDAQ) - Seeking Alpha

Zscaler acquired SquareX to integrate browser-based security into its Zero Trust Exchange. The move targets the browser as a primary attack vector in the AI era, allowing for lightweight security extensions that bypass traditional traffic backhauling. This strengthens the platform's technological moat and addresses evolving enterprise AI security requirements.

Investor Documents