Electric Power Technology (ROCO:4529) Cyclically Adjusted Book per Share: NT$15.72 (As of Dec. 2025)


ROCO:4529 Electric Power Technology Ltd ROCO:4529
47 GF Score
Price NT$4.83
GF Value NT$9.05
Valuation Significantly Undervalued
! 1 Warning Sign
View Full Analysis

What is Electric Power Technology Cyclically Adjusted Book per Share?

Electric Power Technology ROCO:4529 47 Cyclically Adjusted Book per Share is NT$15.72 as of Dec. 2025. GuruFocus rates ROCO:4529 with a GF Score™ of 47/100 and a GF Value™ of NT$9.05 (Significantly Undervalued). The stock has 1 warning sign 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.

Electric Power Technology's adjusted book value per share for the three months ended in Dec. 2025 was NT$3.128. 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 NT$15.72 for the trailing ten years ended in Dec. 2025.

During the past 12 months, Electric Power Technology's average Cyclically Adjusted Book Growth Rate was -10.90% per year. During the past 3 years, the average Cyclically Adjusted Book Growth Rate was -5.80% per year. During the past 5 years, the average Cyclically Adjusted Book Growth Rate was -1.60% 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 Electric Power Technology was 2.40% per year. The lowest was -5.80% per year. And the median was 0.50% per year.

As of today (2026-07-12), Electric Power Technology's current stock price is NT$4.83. Electric Power Technology's Cyclically Adjusted Book per Share for the quarter that ended in Dec. 2025 was NT$15.72. Electric Power Technology's Cyclically Adjusted PB Ratio of today is 0.31.

During the past 13 years, the highest Cyclically Adjusted PB Ratio of Electric Power Technology was 1.15. The lowest was 0.20. And the median was 0.52.


Electric Power Technology  (ROCO:4529) 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.

Electric Power Technology's Cyclically Adjusted PB Ratio of today is calculated as

Cyclically Adjusted PB Ratio=Share Price/Cyclically Adjusted Book per Share
=4.83/15.72
=0.31

* 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 Electric Power Technology was 1.15. The lowest was 0.20. And the median was 0.52.


Be Aware

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


Electric Power Technology Cyclically Adjusted Book per Share Related Terms


Electric Power Technology Cyclically Adjusted Book per Share Historical Data

* Premium members only.

The historical data trend for Electric Power Technology'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.

Electric Power Technology Cyclically Adjusted Book per Share Chart

Electric Power Technology 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 18.20 18.80 18.39 17.65 15.72

Electric Power Technology Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
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 17.65 17.62 17.47 16.67 15.72

ROCO:4529 vs APH, GLW: Cyclically Adjusted Book per Share Comparison

For the Electronic Components subindustry, Electric Power Technology'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.


Electric Power Technology Cyclically Adjusted PB Ratio vs Hardware Industry

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

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


ROCO:4529
47GF Score
Electric Power Technology Ltd ROCO:4529
Cyclically Adjusted Book per Share is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Electric Power Technology 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, Electric Power Technology's adjusted Book Value per Share data for the three months ended in Dec. 2025 was:

Adj_Book= Book Value per Share /CPI of Dec. 2025 (Change)*Current CPI (Dec. 2025)
=3.128/324.0540*324.0540
=3.128

Current CPI (Dec. 2025) = 324.0540.

Electric Power Technology Quarterly Data

Book Value per Share CPI Adj_Book
201603 28.521 238.132 38.812
201606 29.437 241.018 39.579
201609 28.668 241.428 38.479
201612 26.294 241.432 35.292
201703 24.928 243.801 33.134
201706 23.412 244.955 30.972
201709 22.442 246.819 29.465
201712 19.548 246.524 25.696
201803 19.157 249.554 24.876
201806 18.874 251.989 24.272
201809 18.071 252.439 23.198
201812 17.144 251.233 22.113
201903 17.616 254.202 22.457
201906 16.741 256.143 21.180
201909 14.109 256.759 17.807
201912 9.907 256.974 12.493
202003 9.519 258.115 11.951
202006 9.843 257.797 12.373
202009 8.999 260.280 11.204
202012 7.132 260.474 8.873
202103 6.867 264.877 8.401
202106 6.805 271.696 8.116
202109 14.564 274.310 17.205
202112 13.837 278.802 16.083
202203 11.872 287.504 13.381
202206 10.056 296.311 10.998
202209 9.005 296.808 9.832
202212 6.332 296.797 6.914
202303 6.598 301.836 7.084
202306 6.048 305.109 6.424
202309 5.744 307.789 6.048
202312 4.939 306.746 5.218
202403 4.400 312.332 4.565
202406 3.928 314.175 4.052
202409 3.842 315.301 3.949
202412 3.486 315.605 3.579
202503 3.306 319.799 3.350
202506 2.736 322.561 2.749
202509 3.544 324.800 3.536
202512 3.128 324.054 3.128

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 NT$15.72 mean?
Electric Power Technology (ROCO:4529) has a Cyclically Adjusted Book per Share of NT$15.72 as of Dec. 2025. 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 Electric Power Technology and its competitors.
Is Electric Power Technology's Cyclically Adjusted Book per Share too high?
Electric Power Technology's current Cyclically Adjusted Book per Share is NT$15.72. Overall, Electric Power Technology has a GF Score™ of 47/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Electric Power Technology's Cyclically Adjusted Book per Share compare to APH and GLW?
Electric Power Technology's Cyclically Adjusted Book per Share of NT$15.72 can be compared against companies in the Hardware 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 Hardware company?
A good Cyclically Adjusted Book per Share depends on the Hardware 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 Electric Power Technology and its competitors. Electric Power Technology's current Cyclically Adjusted Book per Share is NT$15.72. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Electric Power Technology stock overvalued right now?
Based on GuruFocus' analysis, Electric Power Technology (ROCO:4529) is currently considered Significantly Undervalued. The stock's GF Value™ is NT$9.05, compared to a current price of NT$4.83 — trading 46.6% below its estimated fair value. The current Cyclically Adjusted Book per Share is NT$15.72. Electric Power Technology's overall GF Score™ is 47/100 with 1 warning sign 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 Electric Power Technology (ROCO:4529), the current Cyclically Adjusted Book per Share is NT$15.72 as of Dec. 2025. 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 Electric Power Technology (ROCO:4529) Overvalued in 2026?

Based on GuruFocus' analysis, Electric Power Technology stock appears to be undervalued. The current stock price of NT$4.83 is trading 46.6% below its estimated GF Value™ of NT$9.05. GuruFocus considers Electric Power Technology to be Significantly Undervalued.

Key valuation signals for ROCO:4529:

  • Cyclically Adjusted Book per Share: NT$15.72
  • GF Value™: NT$9.05 vs. price of NT$4.83 (46.6% below fair value)
  • GF Score™: 47/100 with 1 warning sign

No single metric tells the full story. See the ROCO:4529 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Electric Power Technology Business Description

Address Guangfu South Road, 4th Floor, No.632, Da’an District, Taipei, TWN, 10695
Electric Power Technology Ltd is a Taiwanese holding company with an investment focus on the electric vehicle (EV), medical device, biotechnology, and clean technology industries. Geographically, the company derives all its revenue from Taiwan.
47GF Score

Get the complete analysis for ROCO:4529

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

NT$4.83
Price
NT$9.05
GF Value