Zscaler, Inc. (ZS) Down 4.8% — Is It Time to Move On?
Zscaler, Inc. (ZS) shed $7.11 in today's session, closing at $140.01 on the NASDAQ after dropping 4.83% from the prior close. The decline adds another layer of pressure to a stock already deep in retreat — ZS now sits roughly 58.5% below its 52-week high of $336.99, a level reached as recently as November 3, 2025. That collapse in market value, from peak to current price, tells a story of deteriorating investor confidence that today's session does nothing to reverse.
Volume came in at approximately 1.29 million shares, a fraction of the 90-day average of around 4.04 million. The thin trading is notable — sellers drove the stock lower without needing heavy participation, suggesting limited buying interest willing to step in and absorb the pressure.
Why Zscaler, Inc. Price is Moving Lower
The proximate cause of Zscaler's recent decline traces back to its fiscal Q3 2026 earnings release on May 26, 2026, and the market has not yet finished repricing the damage. While the headline numbers carried some genuine positives — revenue of $850.5 million beat the roughly $836 million consensus, and adjusted EPS also cleared Street estimates — management's guidance updates overwhelmed the beat. Full-year FY2026 free-cash-flow margin guidance was cut to 22.8%–23.3% from a prior range of 26.5%–27.0%, a reduction of roughly 350 to 425 basis points driven by accelerating capital spending on memory, compute, and storage infrastructure. Management also signaled that similarly compressed FCF margins should be expected into the following year, removing what had been a key pillar of the bull case.
The more damaging signal, however, came in the form of preliminary FY2027 growth guidance. ARR and revenue growth of only 16%–17% for the coming year represents a sharp step-down from the 24%–25% pace guiding the current year — and for a stock that previously commanded a premium valuation on the expectation of sustained hypergrowth, that deceleration is a fundamental problem. A forward P/E of -300.00, reflecting ongoing losses rather than earnings, leaves ZS with little valuation support to cushion further disappointment. The combination of deteriorating cash generation, a growth slowdown, and a loss-making income statement gives cautious investors few reasons to step in at current levels.
What is the Zscaler, Inc. Rating - Should I Sell?
Weiss Ratings assigns ZS an E rating. The rating was downgraded on 3/13/2026. Current recommendation is Sell.
The case against ZS begins with profitability — or the absence of it. A profit margin of -2.43% and EPS of -$0.49 underpin the Very Weak Efficiency Index, a particularly stark result for a cybersecurity platform company that has been operating for nearly two decades and counts Fortune 500 enterprises among its customers. At this stage of maturity, the inability to translate 25.43% revenue growth into positive earnings — reflected in the Fair Growth Index — signals that scaling costs are outpacing revenue gains rather than converging toward profitability. The Weak Total Return Index and Weak Volatility Index round out a profile that combines poor risk-adjusted performance with the kind of price swings that tend to punish holders during periods of uncertainty, as the 58%-plus decline from the 52-week high makes clear.
There is one genuine bright spot: the Excellent Solvency Index reflects a balance sheet that, at least for now, provides a meaningful runway. That structural strength matters in a capital-intensive environment where Zscaler is explicitly increasing spending on compute and storage, and it reduces near-term liquidity risk. But solvency alone cannot justify holding a stock where free-cash-flow guidance is being cut, growth is decelerating, and losses persist.
Within the Information Technology sector, Zscaler sits at the bottom of a peer group that is itself under pressure. CrowdStrike Holdings, Inc. (CRWD, D-) and Cloudflare, Inc. (NET, D-) carry D- ratings, while Snowflake Inc. (SNOW, E+) sits just one notch above ZS. Datadog, Inc. (DDOG, D+) and Adobe Inc. (ADBE, D+) rate modestly higher. None of these comparisons are reassuring — the cybersecurity and cloud software cohort broadly reflects an environment of elevated valuations meeting slowing growth — but ZS's standing at the floor of this group underscores the degree of fundamental deterioration reflected in its current rating.
About Zscaler, Inc.
Zscaler, Inc. (ZS) is an Information Technology company headquartered in San Jose, California, operating within the Software and Services industry as a cloud-native security platform provider. The company was incorporated in 2007 under the name SafeChannel, Inc. before rebranding in 2008, and has since built one of the more recognized architectures in enterprise cybersecurity centered on a zero trust approach — meaning security controls are applied at the application and user layer rather than relying on traditional network perimeters. Its platform processes billions of transactions daily across a distributed global network of security nodes, giving it a data-scale advantage in identifying and blocking emerging threats.
The core product suite spans two major pillars: cyberthreat protection and data security. Zscaler Internet Access provides threat protection, cloud sandboxing, and browser isolation for employees accessing the internet, while Zscaler Private Access replaces legacy VPN infrastructure by enabling secure, least-privilege access to internal applications. The company also offers Zero Trust Firewall, Zero Trust SD-WAN for branch connectivity, and Zscaler Digital Experience — a monitoring layer that scores end-to-end user experience across applications and locations, a feature increasingly relevant as enterprises troubleshoot productivity issues across distributed workforces.
Zscaler serves a broad cross-section of enterprise verticals, including financial services, healthcare, manufacturing, public sector, telecommunications, and technology. Its customer base includes a substantial share of the Global 2000, and its go-to-market model is built around multi-year subscription contracts that generate recurring revenue. The company's IoT and OT segmentation capabilities, managed detection and response services, and AI-powered security posture management tools — including AI-SPM and public generative AI security features — reflect an ongoing effort to expand wallet share within existing accounts and capture emerging threat surface areas before competitors can establish footholds.
Investor Outlook
Zscaler, Inc. (ZS) carries a Weiss Rating of E (Sell), and the path to a meaningful re-rating looks difficult in the near term given the combination of compressed free-cash-flow guidance, a decelerating FY2027 growth outlook, and persistent losses at the bottom line. Investors should watch whether sequential revenue growth can stay on track and whether management's capital spending trajectory begins to stabilize before FCF margins erode further. See full rankings of all E-rated Information Technology stocks inside the Weiss Stock Screener.
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