Bioptik Technology (ROCO:4161) Cyclically Adjusted Book per Share: NT$16.48 (As of Dec. 2025)


ROCO:4161 Bioptik Technology Inc ROCO:4161
68 GF Score
Price NT$23.00
GF Value NT$27.79
Valuation Modestly Undervalued
! 2 Warning Signs
View Full Analysis

What is Bioptik Technology Cyclically Adjusted Book per Share?

Bioptik Technology ROCO:4161 68 Cyclically Adjusted Book per Share is NT$16.48 as of Dec. 2025. GuruFocus rates ROCO:4161 with a GF Score™ of 68/100 and a GF Value™ of NT$27.79 (Modestly Undervalued). The stock has 2 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.

Bioptik Technology's adjusted book value per share for the three months ended in Dec. 2025 was NT$16.208. 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$16.48 for the trailing ten years ended in Dec. 2025.

During the past 12 months, Bioptik Technology's average Cyclically Adjusted Book Growth Rate was -1.80% per year. During the past 3 years, the average Cyclically Adjusted Book Growth Rate was 1.20% per year. During the past 5 years, the average Cyclically Adjusted Book Growth Rate was 4.00% 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 Bioptik Technology was 6.70% per year. The lowest was 1.20% per year. And the median was 4.20% per year.

As of today (2026-07-12), Bioptik Technology's current stock price is NT$23.00. Bioptik Technology's Cyclically Adjusted Book per Share for the quarter that ended in Dec. 2025 was NT$16.48. Bioptik Technology's Cyclically Adjusted PB Ratio of today is 1.40.

During the past 13 years, the highest Cyclically Adjusted PB Ratio of Bioptik Technology was 2.13. The lowest was 1.26. And the median was 1.61.


Bioptik Technology  (ROCO:4161) 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.

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

Cyclically Adjusted PB Ratio=Share Price/Cyclically Adjusted Book per Share
=23.00/16.48
=1.40

* 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 Bioptik Technology was 2.13. The lowest was 1.26. And the median was 1.61.


Be Aware

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


Bioptik Technology Cyclically Adjusted Book per Share Related Terms


Bioptik Technology Cyclically Adjusted Book per Share Historical Data

* Premium members only.

The historical data trend for Bioptik 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.

Bioptik Technology Cyclically Adjusted Book per Share Chart

Bioptik 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 14.83 15.90 16.50 16.79 16.48

Bioptik 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 16.79 16.75 16.71 16.68 16.48

ROCO:4161 vs ABT, SYK, MDT: Cyclically Adjusted Book per Share Comparison

For the Medical Devices subindustry, Bioptik 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.


Bioptik Technology Cyclically Adjusted PB Ratio vs Medical Devices & Instruments Industry

For the Medical Devices & Instruments industry and Healthcare sector, Bioptik Technology's Cyclically Adjusted PB Ratio distribution charts can be found below:

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


ROCO:4161
68GF Score
Bioptik Technology Inc ROCO:4161
Cyclically Adjusted Book per Share is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Bioptik 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, Bioptik 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)
=16.208/324.0540*324.0540
=16.208

Current CPI (Dec. 2025) = 324.0540.

Bioptik Technology Quarterly Data

Book Value per Share CPI Adj_Book
201603 15.757 238.132 21.442
201606 15.451 241.018 20.774
201609 15.392 241.428 20.660
201612 15.769 241.432 21.165
201703 15.439 243.801 20.521
201706 14.849 244.955 19.644
201709 14.732 246.819 19.342
201712 14.480 246.524 19.034
201803 14.199 249.554 18.438
201806 14.587 251.989 18.759
201809 13.909 252.439 17.855
201812 14.038 251.233 18.107
201903 14.042 254.202 17.901
201906 13.746 256.143 17.390
201909 13.862 256.759 17.495
201912 13.318 256.974 16.795
202003 12.865 258.115 16.152
202006 12.300 257.797 15.461
202009 12.088 260.280 15.050
202012 12.754 260.474 15.867
202103 12.763 264.877 15.614
202106 13.480 271.696 16.078
202109 12.756 274.310 15.069
202112 12.052 278.802 14.008
202203 11.678 287.504 13.163
202206 11.724 296.311 12.822
202209 12.321 296.808 13.452
202212 12.486 296.797 13.633
202303 12.533 301.836 13.456
202306 12.808 305.109 13.603
202309 13.267 307.789 13.968
202312 13.685 306.746 14.457
202403 13.980 312.332 14.505
202406 14.103 314.175 14.546
202409 14.529 315.301 14.932
202412 15.065 315.605 15.468
202503 15.120 319.799 15.321
202506 15.186 322.561 15.256
202509 15.738 324.800 15.702
202512 16.208 324.054 16.208

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$16.48 mean?
Bioptik Technology (ROCO:4161) has a Cyclically Adjusted Book per Share of NT$16.48 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 Bioptik Technology and its competitors.
Is Bioptik Technology's Cyclically Adjusted Book per Share too high?
Bioptik Technology's current Cyclically Adjusted Book per Share is NT$16.48. Overall, Bioptik Technology has a GF Score™ of 68/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Bioptik Technology's Cyclically Adjusted Book per Share compare to ABT and SYK?
Bioptik Technology's Cyclically Adjusted Book per Share of NT$16.48 can be compared against companies in the Medical Devices & Instruments 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 Medical Devices & Instruments company?
A good Cyclically Adjusted Book per Share depends on the Medical Devices & Instruments 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 Bioptik Technology and its competitors. Bioptik Technology's current Cyclically Adjusted Book per Share is NT$16.48. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Bioptik Technology stock overvalued right now?
Based on GuruFocus' analysis, Bioptik Technology (ROCO:4161) is currently considered Modestly Undervalued. The stock's GF Value™ is NT$27.79, compared to a current price of NT$23.00 — trading 17.2% below its estimated fair value. The current Cyclically Adjusted Book per Share is NT$16.48. Bioptik Technology's overall GF Score™ is 68/100 with 2 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 Bioptik Technology (ROCO:4161), the current Cyclically Adjusted Book per Share is NT$16.48 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 Bioptik Technology (ROCO:4161) Overvalued in 2026?

Based on GuruFocus' analysis, Bioptik Technology stock appears to be undervalued. The current stock price of NT$23.00 is trading 17.2% below its estimated GF Value™ of NT$27.79. GuruFocus considers Bioptik Technology to be Modestly Undervalued.

Key valuation signals for ROCO:4161:

  • Cyclically Adjusted Book per Share: NT$16.48
  • GF Value™: NT$27.79 vs. price of NT$23.00 (17.2% below fair value)
  • GF Score™: 68/100 with 2 warning signs

No single metric tells the full story. See the ROCO:4161 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Bioptik Technology Business Description

Address No.188, Zhonghua South Road, Miaoli County, Zhunan, TWN, 35057
Bioptik Technology Inc is a Taiwan-based company engaged in the research, development, production, and sale of medical devices and reagents. The company is also focused on developing skin care products and aims to engage in developing bioenergy, Astaxanthin, and Cellulose Bioethanol. It is involved in the business areas of Home care medical devices, Skincare- Its own brand, Dietary supplement OEM and ODM, Skincare- OEM and ODM, and Biodiesel. In the Home care business area, the company provides Easy Touch blood glucose monitoring, and blood cholesterol and uric acid monitoring systems, as well as its strips.
68GF Score

Get the complete analysis for ROCO:4161

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

NT$23.00
Price
NT$27.79
GF Value