AData Technology Co (ROCO:3260) Cyclically Adjusted Book per Share: NT$54.25 (As of Jun. 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.

ROCO:3260 AData Technology Co Ltd ROCO:3260
75 GF Score
Price NT$412.00
GF Value NT$293.30
Valuation Significantly Overvalued
! 4 Warning Signs
View Full Analysis

What is AData Technology Co Cyclically Adjusted Book per Share?

AData Technology Co ROCO:3260 -0.36% 75 Cyclically Adjusted Book per Share is NT$54.25 as of Jun. 2026. GuruFocus rates ROCO:3260 with a GF Score™ of 75/100 and a GF Value™ of NT$293.30 (Significantly Overvalued). The stock has 4 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.

AData Technology Co's adjusted book value per share for the three months ended in Jun. 2026 was NT$124.341. 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$54.25 for the trailing ten years ended in Jun. 2026.

During the past 12 months, AData Technology Co's average Cyclically Adjusted Book Growth Rate was 11.80% per year. During the past 3 years, the average Cyclically Adjusted Book Growth Rate was 3.90% per year. During the past 5 years, the average Cyclically Adjusted Book Growth Rate was 5.20% 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 AData Technology Co was 6.20% per year. The lowest was 3.80% per year. And the median was 4.40% per year.

As of today (2026-09-02), AData Technology Co's current stock price is NT$412.00. AData Technology Co's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 was NT$54.25. AData Technology Co's Cyclically Adjusted PB Ratio of today is 7.59.

During the past 13 years, the highest Cyclically Adjusted PB Ratio of AData Technology Co was 9.19. The lowest was 1.01. And the median was 1.87.


AData Technology Co  (ROCO:3260) 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.

AData Technology Co's Cyclically Adjusted PB Ratio of today is calculated as

Cyclically Adjusted PB Ratio=Share Price/Cyclically Adjusted Book per Share
=412.00/54.25
=7.59

* 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 AData Technology Co was 9.19. The lowest was 1.01. And the median was 1.87.


Be Aware

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


AData Technology Co Cyclically Adjusted Book per Share Related Terms


AData Technology Co Cyclically Adjusted Book per Share Historical Data

* Premium members only.

The historical data trend for AData Technology Co'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.

AData Technology Co Cyclically Adjusted Book per Share Chart

AData Technology Co 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 41.36 44.44 45.34 47.02 49.78

AData Technology Co Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
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 48.54 49.22 49.78 51.72 54.25

ROCO:3260 vs NVDA, AVGO, MU: Cyclically Adjusted Book per Share Comparison

For the Semiconductors subindustry, AData Technology Co'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.


AData Technology Co Cyclically Adjusted PB Ratio vs Semiconductors Industry

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

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


ROCO:3260
75GF Score
AData Technology Co Ltd ROCO:3260
Cyclically Adjusted Book per Share is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

AData Technology Co 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, AData Technology Co'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)
=124.341/333.9520*333.9520
=124.341

Current CPI (Jun. 2026) = 333.9520.

AData Technology Co Quarterly Data

Book Value per Share CPI Adj_Book
201609 34.524 241.428 47.755
201612 38.474 241.432 53.218
201703 41.369 243.801 56.666
201706 38.757 244.955 52.838
201709 40.663 246.819 55.018
201712 40.910 246.524 55.418
201803 41.476 249.554 55.503
201806 35.087 251.989 46.500
201809 34.441 252.439 45.562
201812 32.565 251.233 43.287
201903 34.005 254.202 44.673
201906 34.107 256.143 44.468
201909 34.649 256.759 45.066
201912 32.841 256.974 42.679
202003 34.852 258.115 45.092
202006 33.126 257.797 42.912
202009 34.767 260.280 44.608
202012 37.362 260.474 47.902
202103 39.773 264.877 50.145
202106 46.107 271.696 56.672
202109 43.881 274.310 53.422
202112 44.209 278.802 52.954
202203 47.671 287.504 55.373
202206 41.785 296.311 47.093
202209 42.754 296.808 48.104
202212 42.940 296.797 48.316
202303 41.277 301.836 45.669
202306 41.882 305.109 45.841
202309 47.262 307.789 51.279
202312 48.573 306.746 52.881
202403 53.037 312.332 56.708
202406 52.169 314.175 55.453
202409 53.438 315.301 56.599
202412 55.843 315.605 59.089
202503 60.143 319.799 62.805
202506 52.534 322.561 54.389
202509 59.301 324.800 60.972
202512 72.952 324.054 75.180
202603 86.650 330.213 87.631
202606 124.341 333.952 124.341

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$54.25 mean?
AData Technology Co (ROCO:3260) has a Cyclically Adjusted Book per Share of NT$54.25 as of Jun. 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 AData Technology Co and its competitors.
Is AData Technology Co's Cyclically Adjusted Book per Share too high?
AData Technology Co's current Cyclically Adjusted Book per Share is NT$54.25. Overall, AData Technology Co has a GF Score™ of 75/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does AData Technology Co's Cyclically Adjusted Book per Share compare to NVDA and AVGO?
AData Technology Co's Cyclically Adjusted Book per Share of NT$54.25 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 AData Technology Co and its competitors. AData Technology Co's current Cyclically Adjusted Book per Share is NT$54.25. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is AData Technology Co stock overvalued right now?
Based on GuruFocus' analysis, AData Technology Co (ROCO:3260) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$293.30, compared to a current price of NT$412.00 — trading 40.5% above its estimated fair value. The current Cyclically Adjusted Book per Share is NT$54.25. AData Technology Co's overall GF Score™ is 75/100 with 4 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 AData Technology Co (ROCO:3260), the current Cyclically Adjusted Book per Share is NT$54.25 as of Jun. 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 AData Technology Co (ROCO:3260) Overvalued in 2026?

Based on GuruFocus' analysis, AData Technology Co stock appears to be overvalued. The current stock price of NT$412.00 is trading 40.5% above its estimated GF Value™ of NT$293.30. GuruFocus considers AData Technology Co to be Significantly Overvalued.

Key valuation signals for ROCO:3260:

  • Cyclically Adjusted Book per Share: NT$54.25
  • GF Value™: NT$293.30 vs. price of NT$412.00 (40.5% above fair value)
  • GF Score™: 75/100 with 4 warning signs

No single metric tells the full story. See the ROCO:3260 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


AData Technology Co Business Description

Address No. 258 Liancheng Road, 18th Floor, Chung Ho District, New Taipei, TWN, 235
AData Technology Co Ltd is a Taiwan-based company involved in the electronic components business wholesale, manufacture, and export of electronic materials and electric tricycles. It operates in two segments: Electronics, which is engaged in R&D, manufacturing, and selling of memory modules, flash memory, and computer peripherals; and Biotech segment is selling of biotechnological products. The majority of its revenue comes from the Electronics segment. Its products are applied in computers, digital cameras, set-top boxes, liquid crystal display monitors, mainboards, servers, printers, medical players, televisions, and game consoles, among others.
75GF Score

Get the complete analysis for ROCO:3260

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

NT$412.00
Price
NT$293.30
GF Value