Fastly Inc vs Zscaler Inc — how do they compare? Fastly Inc trades at $20.35 (market cap $3.13B), while Zscaler Inc trades at $147 (market cap $23.96B). The key difference: Zscaler Inc is far larger — about 7.7× Fastly Inc's market cap, and Fastly Inc is trading nearer its 52-week high, Zscaler Inc nearer its low. Which is the better fit depends on your goals.
| FSLY | ZS | |
|---|---|---|
Market Cap | $3.13B | $23.96B |
Sector | Technology | Technology |
52-Week High | $33.50 | $336.27 |
52-Week Low | $6.36 | $118.05 |
Enterprise Value | $3.20B | $22.29B |
Signals from Pluang's Aura AI — not financial advice
Fastly (FSLY) trades at $20.90, up 4.34% today, showing strong momentum after three consecutive quarterly earnings beats. The stock maintains a bullish technical signal with positive moving averages and trades near key resistance at $21-$22. Revenue growth continues at 20% year-over-year, though the company remains unprofitable with a -15.79% net margin. Recent news highlights strategic partnerships in edge computing and AI infrastructure development.
Despite consistent revenue growth and improving margins, Fastly faces profitability challenges with negative ROE and cash flow volatility. Analyst consensus is mixed with 29% buy ratings but a $24.25 price target suggesting 16% upside. Key risks include competitive pressure from larger cloud providers and the company's ability to achieve sustainable profitability amid heavy infrastructure investments.
Zscaler (ZS) trades at $152.09, up 7.24% with strong technical momentum and bullish moving averages. The stock shows improving fundamentals with revenue growing from $1.1B in 2022 to $2.67B in 2025, though remains unprofitable with a -2.44% net margin. Recent earnings beats and 79% analyst buy ratings support optimism, but the stock faces class action investigations and AI infrastructure cost pressures.
ZS presents a growth opportunity in cybersecurity with Zero Trust adoption tailwinds, but profitability challenges and legal risks warrant caution. The consensus price target of $192.64 suggests 27% upside potential, though investors must weigh strong revenue growth against persistent losses and competitive pressures in the evolving AI security landscape.
Trailing returns across standard periods
Latest headlines on both assets
Fastly operates a content delivery network, which is necessary for entities to provide faster and more reliable online content. Fastly's strategy differs from traditional CDNs, which focused on locating servers in as many locations as possible to store copies of files that consumers most use. Fastly has far fewer sites than traditional CDNs, but it houses servers in the most network-dense data centers. Instead of simply storing static content, it allows its customers to program on its platform, enabling edge computing and better service of the more dynamic content that was traditionally not well served by CDNs. Fastly gears its service to the largest, most sophisticated enterprises rather than small companies and generated about two thirds of its revenue in the United States in 2020.
Read more on FSLY →Zscaler is a security-as-a-service firm that offers its customers cloud-delivered solutions for protecting user devices and data. The firm leverages its position in 150 colocation data centers to deliver traditionally appliance-based security functionality, such as firewalls and sandboxes, as a completely cloud-native platform. The firm focuses on large enterprise customers and offers two primary product suites: Zscaler Internet Access, which securely connects users to externally managed application and websites (such as Salesforce and Google), and Zscaler Private Access, which securely connects users to internally managed applications. Both product suites encompass a broad gamut of capabilities situated across the traditional security stack.
Read more on ZS →