CRWD vs ZS: How CrowdStrike Holdings and Zscaler Compare (2026)

Same yardstick, side by side (as of August 2026). Valuation lined up like this is most meaningful for two names in the same corner of the market, which these are. Figures are approximate; verify before investing.

Reading it: ZS is the cheaper of the two on forward earnings, but cheaper is not the same as better. Pair the valuation with growth (how far the forward P/E sits below the trailing P/E) and risk (beta) before you decide.

The metrics above tell you which is the marginally better business. The bigger risk for most people is not picking the slightly worse stock, it is over-concentrating. CRWD and ZS share themes, so owning both, or adding either to what you already hold, can quietly push a large share of your portfolio into one bet.

This is the part a generic comparison page cannot answer, because it depends on what you own. Connect your brokerage and Walnut shows your real, combined CRWD and ZS exposure, flags overlap with your existing positions, and tells you if adding one would tip you past a concentration you are comfortable with, read-only by default, with your login staying at your broker. Walnut is not an investment adviser.

CrowdStrike is a leading cloud-native cybersecurity company best known for endpoint protection: software that secures laptops, servers, cloud workloads, and other devices against malware, ransomware, and intrusions. Its Falcon platform uses a single lightweight agent and a cloud-delivered model that collects vast amounts of threat telemetry, applies AI and machine learning to detect attacks, and lets customers add modules across many security categories. Beyond endpoint, CrowdStrike has expanded into cloud security, identity protection, threat intelligence, security operations and log management (Next-Gen SIEM after acquiring Humio/LogScale), exposure management, and managed detection and response. It makes money primarily through recurring subscriptions, with customers often adopting more Falcon modules over time, driving strong net revenue retention. CrowdStrike is one of the fastest-growing large cybersecurity vendors and a platform-consolidation play, helping enterprises replace multiple point tools. It is headquartered in Austin, Texas, and serves enterprises and governments worldwide.

Full CRWD guide

Zscaler is a cloud-native cybersecurity company built around the zero trust security model. Instead of routing traffic through a traditional corporate network perimeter, Zscaler operates a globally distributed cloud platform that sits between users and the applications they access, inspecting traffic and enforcing security policy in real time. Its two flagship products are Zscaler Internet Access (ZIA), which secures connections to the public internet and SaaS apps, and Zscaler Private Access (ZPA), which connects users directly to private applications without exposing the corporate network.

Full ZS guide

Both fit overlapping themes, but they are not interchangeable. The useful comparison is which set of drivers and risks you want exposure to.

• CRWD drivers: Platform consolidation and module land-and-expand; AI-driven detection and data advantage.
• ZS drivers: Zero trust replacing legacy perimeter; Platform expansion and upsell.

A faster-growing, richer-valued name usually swings harder, so it suits a longer horizon and a higher tolerance for volatility; a steadier, more cash-generative business suits a more conservative or income-minded investor. The honest test is which set of risks you could hold through a drawdown: CrowdStrike trades at a very high valuation that prices in sustained rapid growth, leaving little room for disappointment. For ZS, zscaler trades at a high revenue multiple, so any deceleration in growth or billings can compress the stock sharply.

Growth-minded investors who believe the theme has years to run tend to accept the richer multiple for more upside; value-minded investors lean toward the cheaper forward earnings and steadier profile. Pick CRWD if you believe its drivers more; ZS if you believe its. Many investors hold both, but since they share themes, that is a concentrated bet, not diversification. Decide deliberately and check overlap. For the full detail, see the CRWD and ZS guides.

CRWD. CrowdStrike trades at one of the richer valuations in software, on a high multiple of revenue and free cash flow, reflecting its rapid growth, platform-consolidation story, and strong cash generation for a high-growth name. The premium embeds expectations of years of sustained expansion; the valuation is the key debate, balancing best-in-class growth against limited tolerance for any stumble.

ZS. Zscaler trades at a premium price-to-sales multiple typical of high-growth cloud security names, reflecting durable subscription revenue and strong free cash flow despite thin GAAP profitability. The valuation is sensitive to billings and net retention trends; a slowdown in growth or rising competitive pressure would compress the multiple quickly.

Headline figures (approximate, early 2026): CRWD shows revenue (ttm) ~$4 billion, annual recurring revenue (arr) ~$4 billion+, growing rapidly, revenue growth high growth, often ~20-30%+, gaap profitability modest; strong on adjusted and free-cash-flow basis; ZS shows revenue (ttm) ~$2.7 billion, revenue growth ~20% year over year, operating margin (gaap) ~low single digits or near breakeven, operating margin (non-gaap) ~20%.

CRWD and ZS are related but distinct: same themes, different businesses and risks. Neither wins in the abstract; the right pick is whichever thesis you actually believe, sized so you are not over-concentrated in one theme. Walnut can show your combined CRWD and ZS exposure against your real portfolio. It is not an investment adviser.