Sunmax Biotechnology Co (ROCO:4728) Cyclically Adjusted Book per Share: NT$19.76 (As of Dec. 2025)

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ROCO:4728 Sunmax Biotechnology Co Ltd ROCO:4728
91 GF Score
Price NT$381.00
GF Value NT$441.37
Valuation Modestly Undervalued
! 3 Warning Signs
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What is Sunmax Biotechnology Co Cyclically Adjusted Book per Share?

Sunmax Biotechnology Co ROCO:4728 +1.06% 91 Cyclically Adjusted Book per Share is NT$19.76 as of Dec. 2025. GuruFocus rates ROCO:4728 with a GF Score™ of 91/100 and a GF Value™ of NT$441.37 (Modestly Undervalued). The stock has 3 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.

Sunmax Biotechnology Co's adjusted book value per share for the three months ended in Dec. 2025 was NT$29.704. 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$19.76 for the trailing ten years ended in Dec. 2025.

During the past 12 months, Sunmax Biotechnology Co's average Cyclically Adjusted Book Growth Rate was 8.20% per year. During the past 3 years, the average Cyclically Adjusted Book Growth Rate was 8.70% per year. During the past 5 years, the average Cyclically Adjusted Book Growth Rate was 9.70% 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 Sunmax Biotechnology Co was 10.40% per year. The lowest was 8.70% per year. And the median was 9.80% per year.

As of today (2026-07-14), Sunmax Biotechnology Co's current stock price is NT$381.00. Sunmax Biotechnology Co's Cyclically Adjusted Book per Share for the quarter that ended in Dec. 2025 was NT$19.76. Sunmax Biotechnology Co's Cyclically Adjusted PB Ratio of today is 19.28.

During the past 13 years, the highest Cyclically Adjusted PB Ratio of Sunmax Biotechnology Co was 26.56. The lowest was 4.81. And the median was 11.76.


Sunmax Biotechnology Co  (ROCO:4728) 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.

Sunmax Biotechnology Co's Cyclically Adjusted PB Ratio of today is calculated as

Cyclically Adjusted PB Ratio=Share Price/Cyclically Adjusted Book per Share
=381.00/19.76
=19.28

* 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 Sunmax Biotechnology Co was 26.56. The lowest was 4.81. And the median was 11.76.


Be Aware

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


Sunmax Biotechnology Co Cyclically Adjusted Book per Share Related Terms


Sunmax Biotechnology Co Cyclically Adjusted Book per Share Historical Data

* Premium members only.

The historical data trend for Sunmax Biotechnology 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.

Sunmax Biotechnology Co Cyclically Adjusted Book per Share Chart

Sunmax Biotechnology 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 13.81 15.39 16.75 18.27 19.76

Sunmax Biotechnology Co 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 18.27 18.62 18.99 19.42 19.76

ROCO:4728 vs VRTX, REGN, ALNY: Cyclically Adjusted Book per Share Comparison

For the Biotechnology subindustry, Sunmax Biotechnology 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.


Sunmax Biotechnology Co Cyclically Adjusted PB Ratio vs Biotechnology Industry

For the Biotechnology industry and Healthcare sector, Sunmax Biotechnology Co's Cyclically Adjusted PB Ratio distribution charts can be found below:

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


ROCO:4728
91GF Score
Sunmax Biotechnology Co Ltd ROCO:4728
Cyclically Adjusted Book per Share is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Sunmax Biotechnology 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, Sunmax Biotechnology Co'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)
=29.704/324.0540*324.0540
=29.704

Current CPI (Dec. 2025) = 324.0540.

Sunmax Biotechnology Co Quarterly Data

Book Value per Share CPI Adj_Book
201603 10.308 238.132 14.027
201606 9.950 241.018 13.378
201609 9.985 241.428 13.402
201612 10.282 241.432 13.801
201703 10.253 243.801 13.628
201706 10.389 244.955 13.744
201709 10.499 246.819 13.784
201712 10.605 246.524 13.940
201803 10.946 249.554 14.214
201806 11.134 251.989 14.318
201809 11.308 252.439 14.516
201812 11.898 251.233 15.347
201903 12.415 254.202 15.827
201906 11.708 256.143 14.812
201909 12.715 256.759 16.048
201912 12.427 256.974 15.671
202003 13.360 258.115 16.773
202006 12.967 257.797 16.300
202009 13.374 260.280 16.651
202012 16.320 260.474 20.304
202103 17.446 264.877 21.344
202106 18.239 271.696 21.754
202109 16.993 274.310 20.075
202112 18.794 278.802 21.844
202203 21.434 287.504 24.159
202206 19.453 296.311 21.274
202209 22.040 296.808 24.063
202212 24.334 296.797 26.569
202303 26.680 301.836 28.644
202306 19.704 305.109 20.927
202309 23.221 307.789 24.448
202312 26.184 306.746 27.661
202403 29.517 312.332 30.625
202406 21.879 314.175 22.567
202409 25.102 315.301 25.799
202412 27.777 315.605 28.521
202503 20.360 319.799 20.631
202506 22.849 322.561 22.955
202509 26.521 324.800 26.460
202512 29.704 324.054 29.704

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$19.76 mean?
Sunmax Biotechnology Co (ROCO:4728) has a Cyclically Adjusted Book per Share of NT$19.76 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 Sunmax Biotechnology Co and its competitors.
Is Sunmax Biotechnology Co's Cyclically Adjusted Book per Share too high?
Sunmax Biotechnology Co's current Cyclically Adjusted Book per Share is NT$19.76. Overall, Sunmax Biotechnology Co has a GF Score™ of 91/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Sunmax Biotechnology Co's Cyclically Adjusted Book per Share compare to VRTX and REGN?
Sunmax Biotechnology Co's Cyclically Adjusted Book per Share of NT$19.76 can be compared against companies in the Biotechnology 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 Biotechnology company?
A good Cyclically Adjusted Book per Share depends on the Biotechnology 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 Sunmax Biotechnology Co and its competitors. Sunmax Biotechnology Co's current Cyclically Adjusted Book per Share is NT$19.76. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Sunmax Biotechnology Co stock overvalued right now?
Based on GuruFocus' analysis, Sunmax Biotechnology Co (ROCO:4728) is currently considered Modestly Undervalued. The stock's GF Value™ is NT$441.37, compared to a current price of NT$381.00 — trading 13.7% below its estimated fair value. The current Cyclically Adjusted Book per Share is NT$19.76. Sunmax Biotechnology Co's overall GF Score™ is 91/100 with 3 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 Sunmax Biotechnology Co (ROCO:4728), the current Cyclically Adjusted Book per Share is NT$19.76 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 Sunmax Biotechnology Co (ROCO:4728) Overvalued in 2026?

Based on GuruFocus' analysis, Sunmax Biotechnology Co stock appears to be undervalued. The current stock price of NT$381.00 is trading 13.7% below its estimated GF Value™ of NT$441.37. GuruFocus considers Sunmax Biotechnology Co to be Modestly Undervalued.

Key valuation signals for ROCO:4728:

  • Cyclically Adjusted Book per Share: NT$19.76
  • GF Value™: NT$441.37 vs. price of NT$381.00 (13.7% below fair value)
  • GF Score™: 91/100 with 3 warning signs

No single metric tells the full story. See the ROCO:4728 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Sunmax Biotechnology Co Business Description

Address Huandong Road, New Urban District, 1st Floor, No. 10, Lane 31, Section 1, Tainan Science Industrial Park, Tainan, TWN
Sunmax Biotechnology Co Ltd is a biomedical company in Taiwan. It is engaged in the development, manufacturing, and commercialization of Sunmax medical devices and bio-surgical products. Additionally, it also researches, develops, manufactures and sales biomedical material grade collagen and related products. The company's products include medical products, biomedical materials, and porcine collagen skin care products.
91GF Score

Get the complete analysis for ROCO:4728

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

NT$381.00
Price
NT$441.37
GF Value