ZS (Zscaler) Cyclically Adjusted PB Ratio: (As of Sep. 21, 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

ZS Zscaler Inc ZS
72 GF Score
Price $197.31
GF Value $294.20
Valuation Possible Value Trap
! 3 Warning Signs
View Full Analysis

What is Zscaler Cyclically Adjusted PB Ratio?

Shiller PE for Stocks: The True Measure of Stock Valuation


Zscaler  (NAS:ZS) Cyclically Adjusted PB Ratio Explanation

Compared with the regular PB Ratio, which works poorly for cyclical businesses, the Cyclically Adjusted PB Ratio smoothed out the fluctuations of book value during business cycles. Therefore it is more accurate in reflecting the valuation of the company.

If a company has consistent business performance, the Cyclically Adjusted PB Ratio should give similar results to regular PB Ratio.


Zscaler Cyclically Adjusted PB Ratio Related Terms


Zscaler Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Zscaler's Cyclically Adjusted PB Ratio can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Zscaler Cyclically Adjusted PB Ratio Chart

Zscaler Annual Data
Trend Jul17 Jul18 Jul19 Jul20 Jul21 Jul22 Jul23 Jul24 Jul25 Jul26
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only - - 55.29 69.06 25.19

Zscaler Quarterly Data
Oct21 Jan22 Apr22 Jul22 Oct22 Jan23 Apr23 Jul23 Oct23 Jan24 Apr24 Jul24 Oct24 Jan25 Apr25 Jul25 Oct25 Jan26 Apr26 Jul26
Cyclically Adjusted PB Ratio Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 60.49 66.51 38.16 23.20 25.49

ZS vs OKTA, CPAY, VRSN: Cyclically Adjusted PB Ratio Comparison

For the Software - Infrastructure subindustry, Zscaler's Cyclically Adjusted PB Ratio, along with its competitors' market caps and Cyclically Adjusted PB Ratio data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


Zscaler Cyclically Adjusted PB Ratio vs Software Industry

For the Software industry and Technology sector, Zscaler's Cyclically Adjusted PB Ratio distribution charts can be found below:

* The bar in red indicates where Zscaler's Cyclically Adjusted PB Ratio falls into.


ZS
72GF Score
Zscaler Inc ZS
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Zscaler Cyclically Adjusted PB Ratio Calculation

Like the Shiller PE Ratio, the Cyclically Adjusted PB Ratio takes the Book Value per Share from the past 10 years, adjusts it for inflation, and then calculates the average. This average is then used for the P/B calculation. Because it considers this 10-year average, it's often referred to as the CAPB Ratio.

The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio.

Zscaler's Cyclically Adjusted Book per Share for the quarter that ended in Jul. 2026 is calculated as:

For example, Zscaler's adjusted Book Value per Share data for the three months ended in Jul. 2026 was:

Adj_Book=Book Value per Share/CPI of Jul. 2026 (Change)*Current CPI (Jul. 2026)
=15.935/333.9180*333.9180
=15.935

Current CPI (Jul. 2026) = 333.9180.

Zscaler Quarterly Data

Book Value per Share CPI Adj_Book
201610 241.729 0.000
201701 242.839 0.000
201704 244.524 0.000
201707 244.786 0.000
201710 -1.290 246.663 -1.746
201801 -1.337 247.867 -1.801
201804 2.047 250.546 2.728
201807 2.023 252.006 2.681
201810 2.065 252.885 2.727
201901 2.236 251.712 2.966
201904 2.283 255.548 2.983
201907 2.425 256.571 3.156
201910 2.455 257.346 3.185
202001 2.469 257.971 3.196
202004 2.568 256.389 3.345
202007 3.650 259.101 4.704
202010 3.668 260.388 4.704
202101 3.700 261.582 4.723
202104 3.712 267.054 4.641
202107 3.814 273.003 4.665
202110 3.786 276.589 4.571
202201 3.824 281.148 4.542
202204 3.748 289.109 4.329
202207 4.008 296.276 4.517
202210 2.991 298.012 3.351
202301 3.644 299.170 4.067
202304 4.122 303.363 4.537
202307 4.927 305.691 5.382
202310 5.445 307.671 5.910
202401 6.403 308.417 6.932
202404 7.225 313.548 7.694
202407 8.355 314.540 8.870
202410 9.312 315.664 9.850
202501 10.388 317.671 10.919
202504 11.593 320.795 12.067
202507 11.366 323.048 11.748
202510 12.431 0.000
202601 13.676 325.252 14.040
202604 14.635 333.020 14.674
202607 15.935 333.918 15.935

Add all the adjusted book value per share together and divide the count will get our Cyclically Adjusted Book per Share.

Please note that we use the CPI data of the country/region where the company is headquartered. If the CPI data for that country/region is not available, then we will use the CPI data of the United States as default.

Is Zscaler (ZS) Overvalued in 2026?

Based on GuruFocus' analysis, Zscaler stock appears to be undervalued. The current stock price of $197.31 is trading 32.9% below its estimated GF Value™ of $294.20. GuruFocus considers Zscaler to be Possible Value Trap.

Key valuation signals for ZS:

  • Cyclically Adjusted PB Ratio:
  • GF Value™: $294.20 vs. price of $197.31 (32.9% below fair value)
  • GF Score™: 72/100 with 3 warning signs

No single metric tells the full story. See the ZS stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Zscaler Business Description

Address 120 Holger Way, San Jose, CA, USA, 95134
Zscaler is a software-as-a-service, or SaaS, firm focusing on providing cloud-native cybersecurity solutions to primarily enterprise customers. Zscaler's offerings can be broadly partitioned into Zscaler Internet Access, which provides secure access to external applications, and Zscaler Private Access, which provides secure access to internal applications. The firm is headquartered in San Jose, California, and went public in 2018.
72GF Score

Get the complete analysis for ZS

Cyclically Adjusted PB Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$197.31
Price
$294.20
GF Value