Bioptik Technology (ROCO:4161) Cyclically Adjusted PB Ratio: 1.38 (As of Aug. 11, 2026) — 14% Below Median

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ROCO:4161 Bioptik Technology Inc ROCO:4161
67 GF Score
Price NT$22.90
GF Value NT$28.95
Valuation Modestly Undervalued
! 2 Warning Signs
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What is Bioptik Technology Cyclically Adjusted PB Ratio?

Bioptik Technology ROCO:4161 -1.08% 67 Cyclically Adjusted PB Ratio is 1.38 as of Aug. 11, 2026, which is 14% below its 10-year median of 1.61. GuruFocus rates ROCO:4161 with a GF Score™ of 67/100 and a GF Value™ of NT$28.95 (Modestly Undervalued). The stock has 2 warning signs investors should review. Among 520 Medical Devices & Instruments companies, Bioptik Technology ranks better than 58.65% on this metric.

As of today (2026-08-11), Bioptik Technology's current share price is NT$22.90. Bioptik Technology's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was NT$16.64. Bioptik Technology's Cyclically Adjusted PB Ratio for today is 1.38.

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

ROCO:4161' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 1.26   Med: 1.61   Max: 2.13
Current: 1.42

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

ROCO:4161's Cyclically Adjusted PB Ratio is ranked better than
58.65% of 520 companies
in the Medical Devices & Instruments industry
Industry Median: 1.875 vs ROCO:4161: 1.42

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 adjusted book value per share data for the three months ended in Mar. 2026 was NT$15.815. 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$16.64 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Bioptik Technology  (ROCO:4161) 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.


Bioptik Technology Cyclically Adjusted PB Ratio Related Terms


Bioptik Technology Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Bioptik Technology'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.

Bioptik Technology Cyclically Adjusted PB Ratio Chart

Bioptik Technology Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 1.59 1.50 1.72 1.62 1.51

Bioptik Technology Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
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 1.80 1.59 1.72 1.51 1.47

ROCO:4161 vs ABT, SYK, MDT: Cyclically Adjusted PB Ratio 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
67GF Score
Bioptik Technology Inc ROCO:4161
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Bioptik Technology 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.

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

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=22.90/16.64
=1.38

* 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's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 is calculated as:

For example, Bioptik Technology'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)
=15.815/330.2130*330.2130
=15.815

Current CPI (Mar. 2026) = 330.2130.

Bioptik Technology Quarterly Data

Book Value per Share CPI Adj_Book
201606 15.451 241.018 21.169
201609 15.392 241.428 21.052
201612 15.769 241.432 21.568
201703 15.439 243.801 20.911
201706 14.849 244.955 20.017
201709 14.732 246.819 19.710
201712 14.480 246.524 19.396
201803 14.199 249.554 18.788
201806 14.587 251.989 19.115
201809 13.909 252.439 18.194
201812 14.038 251.233 18.451
201903 14.042 254.202 18.241
201906 13.746 256.143 17.721
201909 13.862 256.759 17.828
201912 13.318 256.974 17.114
202003 12.865 258.115 16.459
202006 12.300 257.797 15.755
202009 12.088 260.280 15.336
202012 12.754 260.474 16.169
202103 12.763 264.877 15.911
202106 13.480 271.696 16.383
202109 12.756 274.310 15.356
202112 12.052 278.802 14.274
202203 11.678 287.504 13.413
202206 11.724 296.311 13.065
202209 12.321 296.808 13.708
202212 12.486 296.797 13.892
202303 12.533 301.836 13.711
202306 12.808 305.109 13.862
202309 13.267 307.789 14.234
202312 13.685 306.746 14.732
202403 13.980 312.332 14.780
202406 14.103 314.175 14.823
202409 14.529 315.301 15.216
202412 15.065 315.605 15.762
202503 15.120 319.799 15.612
202506 15.186 322.561 15.546
202509 15.738 324.800 16.000
202512 16.208 324.054 16.516
202603 15.815 330.213 15.815

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 1.38 mean?
Bioptik Technology (ROCO:4161) has a Cyclically Adjusted PB Ratio of 1.38 as of Aug. 11, 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 Bioptik Technology and its competitors. This is 14% below median its historical median of 1.61. Over the past decade, Bioptik Technology's Cyclically Adjusted PB Ratio has ranged from 1.26 to 2.13. According to the industry distribution chart, Bioptik Technology ranks #215 out of 520 companies in the Medical Devices & Instruments industry, placing it in the top 41.3%.
Is Bioptik Technology's Cyclically Adjusted PB Ratio too high?
Bioptik Technology's current Cyclically Adjusted PB Ratio of 1.38 is 14% below median its 10-year median of 1.61. Over the past 10 years, this metric has ranged from a low of 1.26 to a high of 2.13. The Medical Devices & Instruments industry median Cyclically Adjusted PB Ratio is 1.88. Bioptik Technology's value of 1.38 is 26.4% below this industry median. Based on the distribution chart, Bioptik Technology ranks #215 out of 520 companies in the Medical Devices & Instruments industry, which is above the industry midpoint. Overall, Bioptik Technology has a GF Score™ of 67/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Bioptik Technology's Cyclically Adjusted PB Ratio compare to ABT and SYK?
According to the Medical Devices & Instruments industry distribution chart, Bioptik Technology ranks #215 out of 520 companies for Cyclically Adjusted PB Ratio. This puts Bioptik Technology in the upper half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.88. Bioptik Technology's value of 1.38 is 26.4% below this benchmark. Historically, Bioptik Technology's own Cyclically Adjusted PB Ratio has ranged from 1.26 to 2.13 over the past decade. While the company's 10-year median is 1.61 vs. the industry median of 1.88, Bioptik Technology has consistently been below 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 Medical Devices & Instruments company?
The median Cyclically Adjusted PB Ratio among Medical Devices & Instruments companies is 1.88, based on 520 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. Bioptik Technology's current Cyclically Adjusted PB Ratio of 1.38 is 26.4% below 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 Bioptik Technology and its competitors. For the Medical Devices & Instruments industry, the median Cyclically Adjusted PB Ratio is 1.88 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Bioptik Technology's current Cyclically Adjusted PB Ratio is 1.38, which is 14% below median its own 10-year median of 1.61. 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$28.95, compared to a current price of NT$22.90 — trading 20.9% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 1.38, which is 14% below median its 10-year median of 1.61 and 26.4% below the Medical Devices & Instruments industry median of 1.88. Bioptik Technology's overall GF Score™ is 67/100 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 PB Ratio calculated?
Cyclically Adjusted PB Ratio is calculated from a company's financial statements. For Bioptik Technology (ROCO:4161), the current Cyclically Adjusted PB Ratio is 1.38 as of Aug. 11, 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 Bioptik Technology (ROCO:4161) Overvalued in 2026?

Based on GuruFocus' analysis, Bioptik Technology stock appears to be undervalued. The current stock price of NT$22.90 is trading 20.9% below its estimated GF Value™ of NT$28.95. GuruFocus considers Bioptik Technology to be Modestly Undervalued.

Key valuation signals for ROCO:4161:

  • Cyclically Adjusted PB Ratio: 1.38 (14% below median its 10-year median of 1.61)
  • GF Value™: NT$28.95 vs. price of NT$22.90 (20.9% below fair value)
  • GF Score™: 67/100 with 2 warning signs
  • Industry Position: 26.4% below the Medical Devices & Instruments median (#215 of 520)

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.
67GF Score

Get the complete analysis for ROCO:4161

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

NT$22.90
Price
NT$28.95
GF Value