DIOD (Diodes) Cyclically Adjusted Book per Share: $31.34 (As of Mar. 2026)


DIOD Diodes Inc DIOD
67 GF Score
Price $103.62
GF Value $67.90
Valuation Significantly Overvalued
! 5 Warning Signs
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What is Diodes Cyclically Adjusted Book per Share?

Diodes DIOD -9.66% 67 Cyclically Adjusted Book per Share is $31.34 as of Mar. 2026. GuruFocus rates DIOD with a GF Score™ of 67/100 and a GF Value™ of $67.90 (Significantly Overvalued). The stock has 5 warning signs investors should review.

E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted Book per Share and 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.

Diodes's adjusted book value per share for the three months ended in Mar. 2026 was $41.128. 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 $31.34 for the trailing ten years ended in Mar. 2026.

During the past 12 months, Diodes's average Cyclically Adjusted Book Growth Rate was 9.70% per year. During the past 3 years, the average Cyclically Adjusted Book Growth Rate was 9.90% per year. During the past 5 years, the average Cyclically Adjusted Book Growth Rate was 10.90% per year. During the past 10 years, the average Cyclically Adjusted Book Growth Rate was 9.20% per year. Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the Cyclically Adjusted Book Growth Rate using Cyclically Adjusted Book per Share data.

During the past 13 years, the highest 3-Year average Cyclically Adjusted Book Growth Rate of Diodes was 31.90% per year. The lowest was 7.20% per year. And the median was 15.70% per year.

As of today (2026-06-27), Diodes's current stock price is $103.62. Diodes's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was $31.34. Diodes's Cyclically Adjusted PB Ratio of today is 3.31.

During the past 13 years, the highest Cyclically Adjusted PB Ratio of Diodes was 5.59. The lowest was 1.20. And the median was 2.54.


Diodes  (NAS:DIOD) Cyclically Adjusted Book per Share Explanation

If a company grows much fast than inflation, Cyclically Adjusted Book per Share may underestimate the company's equity. Cyclically Adjusted PB Ratio can seem to be too high even the actual PB Ratio is low.

For the Cyclically Adjusted PB Ratio, the book value of the past 10 years are inflation-adjusted and averaged. The result is used for P/B calculation. Since it looks at the average over the last 10 years, the Cyclically Adjusted PB Ratio is also called CAPB Ratio.

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.

Diodes's Cyclically Adjusted PB Ratio of today is calculated as

Cyclically Adjusted PB Ratio=Share Price/Cyclically Adjusted Book per Share
=103.62/31.34
=3.31

* 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.

During the past 13 years, the highest Cyclically Adjusted PB Ratio of Diodes was 5.59. The lowest was 1.20. And the median was 2.54.


Be Aware

Cyclically Adjusted PB Ratio works better for cyclical companies. It gives you a better idea on the company's real book value.


Diodes Cyclically Adjusted Book per Share Related Terms


Diodes Cyclically Adjusted Book per Share Historical Data

* Premium members only.

The historical data trend for Diodes's Cyclically Adjusted Book per Share 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.

Diodes Cyclically Adjusted Book per Share Chart

Diodes Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted Book per Share
Get a 7-Day Free Trial Premium Member Only Premium Member Only 20.27 22.81 25.28 27.79 30.31

Diodes Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Cyclically Adjusted Book per Share 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 28.58 29.27 29.92 30.31 31.34

DIOD vs POWI, PI, SYNA: Cyclically Adjusted Book per Share Comparison

For the Semiconductors subindustry, Diodes'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.


Diodes Cyclically Adjusted PB Ratio vs Semiconductors Industry

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

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


DIOD
67GF Score
Diodes Inc DIOD
Cyclically Adjusted Book per Share is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Diodes Cyclically Adjusted Book per Share Calculation

E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted Book per Share and 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.

What is Cyclically Adjusted Book per Share? How do we calculate Cyclically Adjusted Book per Share?

Cyclically Adjusted Book per Share is the average of the inflation adjusted Book Value per Share of a company over the past 10 years. Let's use an example to explain.

If we want to calculate the Cyclically Adjusted Book per Share of Wal-Mart (WMT) for Dec. 31, 2010, we need to have the inflation data and the book value per share from 2001 through 2010.

We adjusted the 2001 book value per share data with the total inflation from 2001 through 2010 to the equivalent book value in 2010. If the total inflation from 2001 to 2010 is 40%, and Wal-Mart's book value is $1 a share in 2001, then the 2001's equivalent book value in 2010 is $1.4 a share. If Wal-Mart's book value is $1 again in 2002, and the total inflation from 2002 through 2010 is 35%, then the equivalent 2002 book value in 2010 is $1.35. So on and so forth, you get the equivalent book value per share of past 10 years. Then you add them together and divided the sum by the count to get 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.

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

Adj_Book= Book Value per Share /CPI of Mar. 2026 (Change)*Current CPI (Mar. 2026)
=41.128/330.2130*330.2130
=41.128

Current CPI (Mar. 2026) = 330.2130.

Diodes Quarterly Data

Book Value per Share CPI Adj_Book
201606 16.338 241.018 22.384
201609 16.359 241.428 22.375
201612 16.094 241.432 22.012
201703 16.531 243.801 22.390
201706 16.959 244.955 22.862
201709 17.380 246.819 23.252
201712 16.925 246.524 22.671
201803 17.521 249.554 23.184
201806 17.703 251.989 23.198
201809 18.084 252.439 23.656
201812 18.547 251.233 24.378
201903 19.145 254.202 24.870
201906 19.785 256.143 25.506
201909 20.188 256.759 25.963
201912 21.607 256.974 27.765
202003 21.866 258.115 27.974
202006 22.159 257.797 28.384
202009 23.074 260.280 29.274
202012 21.768 260.474 27.596
202103 22.479 264.877 28.024
202106 24.202 271.696 29.415
202109 25.681 274.310 30.915
202112 27.483 278.802 32.551
202203 28.686 287.504 32.947
202206 29.882 296.311 33.301
202209 30.701 296.808 34.156
202212 33.289 296.797 37.037
202303 34.906 301.836 38.188
202306 36.339 305.109 39.329
202309 36.783 307.789 39.463
202312 37.893 306.746 40.792
202403 37.918 312.332 40.089
202406 38.451 314.175 40.414
202409 39.101 315.301 40.950
202412 38.748 315.605 40.541
202503 38.824 319.799 40.088
202506 40.620 322.561 41.584
202509 40.729 324.800 41.408
202512 40.939 324.054 41.717
202603 41.128 330.213 41.128

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

What does a Cyclically Adjusted Book per Share of $31.34 mean?
Diodes (DIOD) has a Cyclically Adjusted Book per Share of $31.34 as of Mar. 2026. Cyclically adjusted book value per share represents the company's inflation-adjusted book value per share over a 10-year period. View historical data on Diodes and its competitors.
Is Diodes' Cyclically Adjusted Book per Share too high?
Diodes' current Cyclically Adjusted Book per Share is $31.34. Overall, Diodes has a GF Score™ of 67/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Diodes' Cyclically Adjusted Book per Share compare to POWI and PI?
Diodes' Cyclically Adjusted Book per Share of $31.34 can be compared against companies in the Semiconductors industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Cyclically Adjusted Book per Share for a Semiconductors company?
A good Cyclically Adjusted Book per Share depends on the Semiconductors industry context. However, Cyclically Adjusted Book per Share should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Cyclically Adjusted Book per Share mean?
A high Cyclically Adjusted Book per Share can signal that a stock is expensive relative to its fundamentals. Cyclically adjusted book value per share represents the company's inflation-adjusted book value per share over a 10-year period. View historical data on Diodes and its competitors. Diodes's current Cyclically Adjusted Book per Share is $31.34. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Diodes stock overvalued right now?
Based on GuruFocus' analysis, Diodes (DIOD) is currently considered Significantly Overvalued. The stock's GF Value™ is $67.90, compared to a current price of $103.62 — trading 52.6% above its estimated fair value. The current Cyclically Adjusted Book per Share is $31.34. Diodes' overall GF Score™ is 67/100 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 Book per Share calculated?
Cyclically Adjusted Book per Share is calculated from a company's financial statements. For Diodes (DIOD), the current Cyclically Adjusted Book per Share is $31.34 as of Mar. 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 Diodes (DIOD) Overvalued in 2026?

Based on GuruFocus' analysis, Diodes stock appears to be overvalued. The current stock price of $103.62 is trading 52.6% above its estimated GF Value™ of $67.90. GuruFocus considers Diodes to be Significantly Overvalued.

Key valuation signals for DIOD:

  • Cyclically Adjusted Book per Share: $31.34
  • GF Value™: $67.90 vs. price of $103.62 (52.6% above fair value)
  • GF Score™: 67/100 with 5 warning signs

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


Diodes Business Description

Other Exchanges DDQ:Germany
Address 4949 Hedgcoxe Road, Suite 200, Plano, TX, USA, 75024
Diodes Inc is a manufacturer and supplier of high-quality application-specific products within the broad discrete, logic, analog, and mixed-signal semiconductor markets. It serves the customer electronics, computing, communications, industrial, and automotive markets. The Company's products include diodes; rectifiers; transistors; MOSFETs; GPP bridges; GPP rectifiers; protection devices; function-specific arrays; single gate logic; amplifiers and comparators; Hall-effect and temperature sensors; and power management devices, including LED drivers, AC-DC converters and controllers, DC-DC switching and linear voltage regulators, voltage references along with special-function devices, such as USB power switches, load switches, voltage supervisors, and motor controllers.
67GF Score

Get the complete analysis for DIOD

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

$103.62
Price
$67.90
GF Value