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ZS: Beat Everything, Lost the Market

The numbers were good. That’s the part that makes this interesting.

Zscaler reported Q3 FY2026 after the bell May 26 — $850.5 million in revenue, up 25% year-over-year, clearing consensus by roughly $15 million. Non-GAAP EPS of $1.08 against a $1.01 estimate. ARR at $3.525 billion. Non-GAAP operating margin at 23%, an all-time high. By the time the call ended, every headline metric had beaten. And then ZS fell 24% — the worst single-session response of the fiscal year — on a quarter that objectively cleared the bar.

What happened was two things disclosed on the call, back to back.

First: CFO Kevin Rubin confirmed two sales leaders exited at the end of Q3. Management wouldn’t say whether it was voluntary. What they did say — that the company is taking a “prudent approach to guidance during this transition” — is the kind of careful language that institutional desks treat as a yellow flag, not a reassurance. Evercore ISI moved the same morning, cutting ZS from Outperform to In Line and slashing its target from $225 to $155. TD Cowen dropped from $220 to $180. Morgan Stanley trimmed to $145. The Street moved fast because the language gave them reason to.

Second — and this is the one that actually drove the magnitude of the move — management offered a preliminary FY2027 outlook of 16%–17% revenue and ARR growth. The Street had been modeling closer to 19%–21%. Consensus FY2027 revenue was sitting around $3.95–$4.0 billion; the guide came in at $3.87–$3.93 billion. That’s not a minor miss. That’s an 8-point deceleration from a business that was running 24%–25% growth this year, into a sales leadership transition, with a free cash flow margin guide that also got cut — from 26.5%–27% down to 22.8%–23.3% — due to rising CapEx on AI infrastructure build-out.

Slight tangent, but it’s relevant: ZS has a documented history of beating estimates and still closing lower. Across its 11 most recent earnings releases, the stock produced an average same-day decline of nearly 5% even on beats. Q4 FY2024 — one of the largest revenue beats in company history — triggered an 18.67% drop. The allergic reaction isn’t new. What’s new is the scale, and the fact that this time the forward guide actually gave the market something real to react to.

RPO of $6.459 billion and deferred revenue growing 25% year-over-year suggest the long-term contract base is intact. The AI Protect suite crossed $100 million in bookings. Those aren’t nothing. But the market isn’t pricing long-cycle optionality right now — it’s pricing a forward growth rate that just came in well below expectations, attached to an unresolved personnel question that won’t have an answer until September 8 at the earliest, when Q4 results drop.

The business didn’t break. The predictability did. And for a high-multiple security software name, that’s the one thing the market won’t forgive quickly.

For informational purposes only.