Zscaler Guides 16-17% FY27 Growth After 25% Q3 ARR

Zscaler reported 25% ARR growth in its fiscal third quarter. The company raised its FY2026 EPS target to $4.10-$4.11. For FY2027, management guided ARR and revenue growth of 16-17%, a deceleration from the current pace. The gap between a raised near-term outlook and a slower long-term trajectory defines this catalyst.

Zscaler's FY26 Raise and FY27 Deceleration

The Q3 print itself was solid. 25% ARR growth reflects continued demand for zero-trust security, particularly around AI workloads. Zscaler has positioned itself as a key beneficiary of the AI security buildout. The raised FY26 EPS target confirms that the current year is tracking above initial expectations.

The FY27 guidance of 16-17% growth introduces a new variable. The implied slowdown is not a collapse. It is a material step down from the 25% level. For a stock that trades at a premium multiple partly because of the AI security narrative, a deceleration of this magnitude raises a question: how much of the current valuation already prices in a growth reacceleration, and how much is vulnerable to a reset?

AI Security Premium Under Scrutiny

Zscaler's multiple has been supported by the thesis that AI adoption will drive incremental security spending. The company's cloud-native architecture and zero-trust model are well-suited for securing AI data pipelines. That narrative has been a tailwind for the stock, alongside peers like CrowdStrike and Palo Alto Networks.

The FY27 guidance suggests that the growth rate from AI security may not be as steep as the market hoped. The 16-17% figure implies that the incremental AI tailwind is being offset by maturation in core Zscaler markets or by competitive pressure. The market will now have to weigh whether the AI security premium is justified at current levels, or whether the stock needs to re-rate to reflect a more moderate growth trajectory.

The FY27 Growth Path and Valuation Risk

The immediate catalyst is the Q4 FY2026 report, where Zscaler will need to deliver on the raised guidance to maintain credibility. The more important decision point is the FY27 trajectory. If the company can show that the 16-17% guidance is conservative and that ARR growth can reaccelerate, the stock may hold its premium. If the deceleration proves structural, the multiple compression risk is real.

Investors should watch for commentary on AI security deal sizes, enterprise customer additions, and competitive win rates. Any signal that the slowdown is temporary – such as a large pipeline of AI-specific deals closing in early FY27 – would support the bull case. Conversely, if management cites macro caution or longer sales cycles, the market may take the guidance at face value.

Zscaler's story is not broken. The FY27 guidance introduces a new layer of scrutiny. The stock's next move will depend on whether the market sees this as a conservative guide or a sign of maturing growth. For now, the 25% ARR growth in Q3 provides a floor. The ceiling is now defined by the 16-17% FY27 number.

For broader context on how AI-driven security plays are being valued, see our market analysis and the recent piece on Micron's trillion-dollar milestone as a parallel example of AI premium dynamics.