Does Zscaler (ZS) Stock Sit Below Fair Value As AI Security Grows?

Zscaler has ridden a powerful cybersecurity story, yet the real test is whether the US$247.82 share price lines up with the cash the business is expected to generate. With the stock pulled between sector optimism and bouts of selling, the central issue now is what its cash flows actually justify.

• The share price has delivered a 50.8% gain over the past 3 years, which puts a lot of weight on whether the underlying cash generation can keep carrying that kind of track record.
• Recent focus on AI driven security and Zscaler’s role in securing autonomous agents may support expectations for future cash flows, especially if customers are willing to commit more budget to Zero Trust style architectures.
• If you'd rather focus on sales, this one's for you. See why Zscaler's 12.1x P/S tells a different valuation story.

The issue now is whether those cash flows, assessed through a Discounted Cash Flow (DCF) lens, are enough to justify where Zscaler trades today.

If you are weighing whether Zscaler’s cash flows justify the current US$247.82 price, it can help to compare that same question across 30 high quality undervalued stocks

Does Zscaler Look Undervalued on Cash Flow?

The Discounted Cash Flow (DCF) model here looks at the cash Zscaler could return to shareholders over time and discounts it back to today. On this view, the estimated intrinsic value comes out modestly above the current US$247.82 share price. Latest twelve month free cash flow sits at about $805.9 million, and the projection set used in the model assumes that this pool of cash continues growing rather than shrinking.

Analysts feeding into the DCF expect Zscaler’s annual free cash flow to reach into the low single digit billions of $ by the early 2030s, which implies investors are paying today for a business that keeps scaling rather than plateauing. Recent commentary around rising AI driven security risks, and Zscaler’s focus on protecting autonomous agents, helps explain why the stock price can sit below what the cash flow model suggests the business could be worth over the long run. If you want to see how that modest gap compares with other candidates on your list, it is worth lining Zscaler up against. Find out what Zscaler could be worth using our Discounted Cash Flow (DCF) estimate.

The Zscaler Narrative: What Would Justify Today's Price?

Narratives on Simply Wall St pick up where the Zscaler valuation puzzle leaves off. They spell out which assumptions around Zscaler's growth, margins and earnings would need to play out for the share price to end up materially higher or lower than it is today, and set out those moving parts in a way that lets you compare each fair value view with the company’s actual results as they come through.

Community views on Zscaler are split between those who see an emerging AI security platform and others who think the current price already reflects that potential.

Bull case: roughly fairly valued

"My thesis is that investors may be underestimating how much AI could expand Zscaler's addressable market…"

Discover why this Narrative puts Zscaler at roughly fairly valued.

Bear case: 6% overvalued

"The main factor that has to go right is that Zscaler converts its large stated white space inside the existing customer base and the early traction in security for AI, Agentic SecOps and metered products into durable ARR growth…"

Explore why this Narrative puts Zscaler at 6% overvalued.

Before you lean on Zscaler’s valuation, there is one more angle to check

Price targets and cash flow models only tell part of the story for Zscaler, because separate research checks have flagged specific business risks that could change how you see this stock. Take a closer look at 1 warning sign before settling on a valuation.

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