Western Digital (TSX:WDC) Cyclically Adjusted PB Ratio: 13.23 (As of Aug. 17, 2026) — 1041% Above Median

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Director of Data and Quant Analytics at GuruFocus
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TSX:WDC Western Digital Corp TSX:WDC
54 GF Score
Price C$32.55
GF Value C$6.20
Valuation Significantly Overvalued
! 5 Warning Signs
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What is Western Digital Cyclically Adjusted PB Ratio?

Western Digital TSX:WDC +4.86% 54 Cyclically Adjusted PB Ratio is 13.23 as of Aug. 17, 2026, which is 1041% above its 10-year median of 1.16. GuruFocus rates TSX:WDC with a GF Score™ of 54/100 and a GF Value™ of C$6.20 (Significantly Overvalued). The stock has 5 warning signs investors should review. Among 1,962 Hardware companies, Western Digital ranks worse than 93.58% on this metric.

As of today (2026-08-17), Western Digital's current share price is C$32.55. Western Digital's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 was C$2.46. Western Digital's Cyclically Adjusted PB Ratio for today is 13.23.

The historical rank and industry rank for Western Digital's Cyclically Adjusted PB Ratio or its related term are showing as below:

TSX:WDC' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.53   Med: 1.16   Max: 18.41
Current: 12.63

During the past years, Western Digital's highest Cyclically Adjusted PB Ratio was 18.41. The lowest was 0.53. And the median was 1.16.

TSX:WDC's Cyclically Adjusted PB Ratio is ranked worse than
93.58% of 1962 companies
in the Hardware industry
Industry Median: 2.115 vs TSX:WDC: 12.63

The Shiller PE Ratio was first used by professor Robert Shiller. He uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings per share of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted book value per share of a company over the past 10 years.

Western Digital's adjusted book value per share data for the three months ended in Jun. 2026 was C$36.090. Add all the adjusted book value per share for the past 10 years together and divide the count will get our Cyclically Adjusted Book per Share, which is C$2.46 for the trailing ten years ended in Jun. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Western Digital  (TSX:WDC) 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.


Western Digital Cyclically Adjusted PB Ratio Related Terms


Western Digital Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Western Digital'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.

Western Digital Cyclically Adjusted PB Ratio Chart

Western Digital Annual Data
Trend Jun17 Jun18 Jun19 Jun20 Jun21 Jun22 Jun23 Jun24 Jun25 Jun26
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.78 0.65 1.31 1.52 15.86

Western Digital Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
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 1.52 2.89 4.25 6.67 15.86

TSX:WDC vs STX, SNDK, ANET: Cyclically Adjusted PB Ratio Comparison

For the Computer Hardware subindustry, Western Digital'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.


Western Digital Cyclically Adjusted PB Ratio vs Hardware Industry

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

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


TSX:WDC
54GF Score
Western Digital Corp TSX:WDC
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Western Digital 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.

Western Digital's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=32.55/2.46
=13.23

* 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.

Western Digital's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 is calculated as:

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

Adj_Book=Book Value per Share/CPI of Jun. 2026 (Change)*Current CPI (Jun. 2026)
=36.09/333.9520*333.9520
=36.090

Current CPI (Jun. 2026) = 333.9520.

Western Digital Quarterly Data

Book Value per Share CPI Adj_Book
201609 49.475 241.428 68.436
201612 49.706 241.432 68.754
201703 50.746 243.801 69.510
201706 51.633 244.955 70.392
201709 50.194 246.819 67.914
201712 48.462 246.524 65.649
201803 48.877 249.554 65.407
201806 51.130 251.989 67.761
201809 51.302 252.439 67.868
201812 50.383 251.233 66.972
201903 46.611 254.202 61.234
201906 44.899 256.143 58.538
201909 42.505 256.759 55.284
201912 41.308 256.974 53.682
202003 43.011 258.115 55.648
202006 42.859 257.797 55.520
202009 41.675 260.280 53.471
202012 41.144 260.474 52.750
202103 40.866 264.877 51.523
202106 42.536 271.696 52.283
202109 46.288 274.310 56.352
202112 49.147 278.802 58.869
202203 48.472 287.504 56.303
202206 49.675 296.311 55.985
202209 50.785 296.808 57.140
202212 51.593 296.797 58.052
202303 49.648 301.836 54.931
202306 45.238 305.109 49.515
202309 42.234 307.789 45.824
202312 41.433 306.746 45.108
202403 41.963 312.332 44.868
202406 43.225 314.175 45.946
202409 45.626 315.301 48.325
202412 49.607 315.605 52.491
202503 21.295 319.799 22.237
202506 21.041 322.561 21.784
202509 23.817 324.800 24.488
202512 28.852 324.054 29.733
202603 38.496 330.213 38.932
202606 36.090 333.952 36.090

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.

What does a Cyclically Adjusted PB Ratio of 13.23 mean?
Western Digital (TSX:WDC) has a Cyclically Adjusted PB Ratio of 13.23 as of Aug. 17, 2026. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on Western Digital and its competitors. This is 1041% above median its historical median of 1.16. Over the past decade, Western Digital's Cyclically Adjusted PB Ratio has ranged from 0.53 to 18.41. According to the industry distribution chart, Western Digital ranks #1836 out of 1962 companies in the Hardware industry, placing it in the top 93.6%.
Is Western Digital's Cyclically Adjusted PB Ratio too high?
Western Digital's current Cyclically Adjusted PB Ratio of 13.23 is 1041% above median its 10-year median of 1.16. Over the past 10 years, this metric has ranged from a low of 0.53 to a high of 18.41. The Hardware industry median Cyclically Adjusted PB Ratio is 2.12. Western Digital's value of 13.23 is 525.5% above this industry median. Based on the distribution chart, Western Digital ranks #1836 out of 1962 companies in the Hardware industry, which is in the bottom quartile relative to peers. Overall, Western Digital has a GF Score™ of 54/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Western Digital's Cyclically Adjusted PB Ratio compare to STX and SNDK?
According to the Hardware industry distribution chart, Western Digital ranks #1836 out of 1962 companies for Cyclically Adjusted PB Ratio. This places Western Digital in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 2.12. Western Digital's value of 13.23 is 525.5% above this benchmark. Historically, Western Digital's own Cyclically Adjusted PB Ratio has ranged from 0.53 to 18.41 over the past decade. While the company's 10-year median is 1.16 vs. the industry median of 2.12, Western Digital has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Cyclically Adjusted PB Ratio for a Hardware company?
The median Cyclically Adjusted PB Ratio among Hardware companies is 2.12, based on 1,962 companies in the industry. Companies in the top quartile (top 25%) have a Cyclically Adjusted PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, Cyclically Adjusted PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Western Digital's current Cyclically Adjusted PB Ratio of 13.23 is 525.5% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Cyclically Adjusted PB Ratio mean?
A high Cyclically Adjusted PB Ratio can signal that a stock is expensive relative to its fundamentals. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on Western Digital and its competitors. For the Hardware industry, the median Cyclically Adjusted PB Ratio is 2.12 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Western Digital's current Cyclically Adjusted PB Ratio is 13.23, which is 1041% above median its own 10-year median of 1.16. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Western Digital stock overvalued right now?
Based on GuruFocus' analysis, Western Digital (TSX:WDC) is currently considered Significantly Overvalued. The stock's GF Value™ is C$6.20, compared to a current price of C$32.55 — trading 425% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 13.23, which is 1041% above median its 10-year median of 1.16 and 525.5% above the Hardware industry median of 2.12. Western Digital's overall GF Score™ is 54/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Cyclically Adjusted PB Ratio calculated?
Cyclically Adjusted PB Ratio is calculated from a company's financial statements. For Western Digital (TSX:WDC), the current Cyclically Adjusted PB Ratio is 13.23 as of Aug. 17, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Western Digital (TSX:WDC) Overvalued in 2026?

Based on GuruFocus' analysis, Western Digital stock appears to be overvalued. The current stock price of C$32.55 is trading 425% above its estimated GF Value™ of C$6.20. GuruFocus considers Western Digital to be Significantly Overvalued.

Key valuation signals for TSX:WDC:

  • Cyclically Adjusted PB Ratio: 13.23 (1041% above median its 10-year median of 1.16)
  • GF Value™: C$6.20 vs. price of C$32.55 (425% above fair value)
  • GF Score™: 54/100 with 5 warning signs
  • Industry Position: 525.5% above the Hardware median (#1836 of 1962)

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


Western Digital Business Description

Address 5601 Great Oaks Parkway, San Jose, CA, USA, 95119
Western Digital is a leading vertically integrated supplier of hard disk drives. The HDD market is a practical duopoly, with Western Digital and Seagate being the two largest players. Western Digital designs and manufactures its HDDs, with much of the manufacturing and workforce located in Asia. The primary consumers of HDDs are data centers.
54GF Score

Get the complete analysis for TSX:WDC

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

C$32.55
Price
C$6.20
GF Value