TFBS Bioscience (ROCO:6939) Cyclically Adjusted PB Ratio: (As of Aug. 27, 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.
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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:6939 TFBS Bioscience Inc ROCO:6939
54 GF Score
Price NT$20.05
GF Value NT$29.93
Valuation Possible Value Trap
! 6 Warning Signs
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What is TFBS Bioscience Cyclically Adjusted PB Ratio?

TFBS Bioscience does not have a history long enough to calculate Cyclically Adjusted Book per Share. Therefore GuruFocus does not calculate Cyclically Adjusted PB Ratio for this company.

Shiller PE for Stocks: The True Measure of Stock Valuation


TFBS Bioscience  (ROCO:6939) 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.


TFBS Bioscience Cyclically Adjusted PB Ratio Related Terms


TFBS Bioscience Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for TFBS Bioscience'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.

TFBS Bioscience Cyclically Adjusted PB Ratio Chart

TFBS Bioscience Annual Data
Trend Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted PB Ratio
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TFBS Bioscience Semi-Annual Data
Dec20 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25 Jun26
Cyclically Adjusted PB Ratio Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only 0.00 0.00 0.00 0.00 0.00

ROCO:6939 vs TMO, DHR, IDXX: Cyclically Adjusted PB Ratio Comparison

For the Diagnostics & Research subindustry, TFBS Bioscience'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.


TFBS Bioscience Cyclically Adjusted PB Ratio vs Medical Diagnostics & Research Industry

For the Medical Diagnostics & Research industry and Healthcare sector, TFBS Bioscience's Cyclically Adjusted PB Ratio distribution charts can be found below:

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


ROCO:6939
54GF Score
TFBS Bioscience Inc ROCO:6939
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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TFBS Bioscience 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.

TFBS Bioscience does not have a history long enough to calculate Cyclically Adjusted Book per Share. Therefore GuruFocus does not calculate Cyclically Adjusted PB Ratio for this company.

Is TFBS Bioscience (ROCO:6939) Overvalued in 2026?

Based on GuruFocus' analysis, TFBS Bioscience stock appears to be undervalued. The current stock price of NT$20.05 is trading 33% below its estimated GF Value™ of NT$29.93. GuruFocus considers TFBS Bioscience to be Possible Value Trap.

Key valuation signals for ROCO:6939:

  • Cyclically Adjusted PB Ratio:
  • GF Value™: NT$29.93 vs. price of NT$20.05 (33% below fair value)
  • GF Score™: 54/100 with 6 warning signs

No single metric tells the full story. See the ROCO:6939 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


TFBS Bioscience Business Description

Address No. 103, Lane 169, Kang-ning Street, 3rd Floor, Xizhi District, New Taipei, TWN
TFBS Bioscience Inc is a Contract Research Organization (CRO) providing biological testing in Taiwan. Its services include viral vector manufacturing for cell and gene therapy products and biosafety testing and product release testing for cell and gene therapy products, vaccines, and biologic products.
54GF Score

Get the complete analysis for ROCO:6939

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

NT$20.05
Price
NT$29.93
GF Value