Avoid the stress of overpaying for a stock or missing an opportunity by using the right tools and insights to evaluate Zscaler, Inc. before investing.

In this article, we go over a few key elements for understanding Zscaler, Inc.’s stock price such as:

• Zscaler, Inc.’s current stock price and volume
• Why Zscaler, Inc.’s stock price changed recently
• Upgrades and downgrades for ZS from analysts
• ZS’s stock price momentum as measured by its relative strength

About Zscaler, Inc. (ZS)

Before we jump into Zscaler, Inc.’s stock price, history, target price and what caused it to recently dip, let’s take a look at some background.

Zscaler, Inc. operates as a cloud security company worldwide. The company offers cyberthreat protection products, including Zero Trust SASE, a solution that securely connects workforces, AI agents, workloads, and IoT/OT devices to cloud apps and AI services; Zscaler Internet Access, which provides advanced threat protection, sandbox, and zero trust firewall; Zscaler Private Access solution that includes cyberthreat and data protection, application discovery, secure application access, application segmentation, application protection, and reduced attack surface; Zero Trust Browser, a solution that secures browser-based access to business applications for the extended workforce, including third parties and partners; Zscaler Digital Experience, a solution that monitors end-user experience and helps organizations identify and resolve performance issues across their digital environment; Zero Trust Branch; and Zero Trust Cloud solutions. It also provides Security for AI solution to secure AI adoption across the full AI ecosystem; data security services, including AI-powered data classification and contextual insights, data loss prevention, Saas security, and data security posture management solution. In addition, the company offers Agentic Security Operations solution that enables enterprises to reduce cyber risk by using AI-powered automation; exposure management platform; deception; managed detection and response; agentic security operations center; and threat hunting solutions. It serves automotive, airlines and transportation, conglomerates, consumer goods and retail, energy, financial services, healthcare, insurance, manufacturing, media and communications, public sector and education, technology, and telecommunications services industries. The company was formerly known as SafeChannel, Inc. and changed its name to Zscaler, Inc. in August 2008. Zscaler, Inc. was incorporated in 2007 and is headquartered in San Jose, California.

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Zscaler, Inc.’s Stock Price as of Market Close

As of September 18, 2026, 4:00 PM, CST, Zscaler, Inc.’s stock price was $197.310.

Zscaler, Inc. is down 0.08% from its previous closing price of $197.470.

During the last market session, Zscaler, Inc.’s stock traded between $192.650 and $199.760. Currently, there are approximately 161.87 million shares outstanding for Zscaler, Inc..

Zscaler, Inc.’s trailing earnings per share are negative, so the stock does not have a meaningful P/E ratio. We suggest investors evaluate other financial metrics to understand its overall valuation.

Zscaler, Inc. Stock Price History

Zscaler, Inc.’s (ZS) price is currently up 4.74% so far this month.

During the month of September, Zscaler, Inc.’s stock price has reached a high of $199.760 and a low of $159.200.

Over the last year, Zscaler, Inc. has hit prices as high as $336.990 and as low as $114.625. Year to date, Zscaler, Inc.’s stock is down 12.28%.

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What Caused Zscaler, Inc. Stock’s Price to Dip?

Stock prices are primarily based on seller supply and buyer demand. But have you ever wondered about what other factors affect a stock's price?

When an analyst changes their opinion of a stock by upgrading or downgrading their rating, it often leads to a sudden stock price adjustment. As of September 18, 2026, there were 0 analysts who downgraded Zscaler, Inc.’s stock and 2 analysts who upgraded over the last month.

Additionally, you'll want to evaluate Zscaler, Inc.’s financial health and valuation. Investors can use AAII's Value Grade, which combines six key valuation metrics like P/E and P/S ratios for a comprehensive analysis to conduct analysis on Zscaler, Inc.’s valuation and financial health. This approach mitigates the limitations of single-metric evaluations.

Zscaler, Inc.’s current valuation based on AAII’s Value Grade is a F, which means it is considered to be Ultra Expensive.

Learn how to evaluate stocks with AAII Grades and Scores with A+ Investor today.

Lastly, news and media coverage as well as recent press reports about the company or its industry may cause stock prices to fluctuate. You can check out the most recent news articles about Zscaler, Inc. (ZS) by visiting AAII Stock Evaluator.

Relative Price Strength of Zscaler, Inc.

Relative price strength measures a stock's performance against the market, helping investors identify stocks that are outperforming benchmarks.

For AAII’s Momentum Grade, a weighted relative price strength is calculated. Follow this link to learn more about the Momentum Grade.

As of September 18, 2026, Zscaler, Inc. has a weighted four-quarter relative price strength of 5.63%, which translates to a Momentum Score of 74 and is considered to be Strong.

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Zscaler, Inc. Stock Price: Bottom Line

As of September 18, 2026, Zscaler, Inc.’s stock price is $197.310, which is down 0.08% from its previous closing price.

AAII advises against making stock decisions based solely on price or past returns. Instead, consider a variety of metrics, fundamentals, and analytics to evaluate a stock like Zscaler, Inc. stock prices are influenced by market supply and demand and offer just a snapshot of a company's overall health.

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