aTyr Pharma (FRA:471A) Cyclically Adjusted PB Ratio: 0.04 (As of Aug. 24, 2026) — 56% Below Median

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.

FRA:471A aTyr Pharma Inc FRA:471A
21 GF Score
Price €0.33
GF Value €0.35
Valuation Fairly Valued
! 3 Warning Signs
View Full Analysis

What is aTyr Pharma Cyclically Adjusted PB Ratio?

aTyr Pharma FRA:471A -7.02% 21 Cyclically Adjusted PB Ratio is 0.04 as of Aug. 24, 2026, which is 56% below its 10-year median of 0.09. GuruFocus rates FRA:471A with a GF Score™ of 21/100 and a GF Value™ of €0.35 (Fairly Valued). The stock has 3 warning signs investors should review. Among 685 Biotechnology companies, aTyr Pharma ranks better than 94.89% on this metric.

As of today (2026-08-24), aTyr Pharma's current share price is €0.331. aTyr Pharma's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 was €8.10. aTyr Pharma's Cyclically Adjusted PB Ratio for today is 0.04.

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

FRA:471A' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.03   Med: 0.09   Max: 0.29
Current: 0.04

During the past years, aTyr Pharma's highest Cyclically Adjusted PB Ratio was 0.29. The lowest was 0.03. And the median was 0.09.

FRA:471A's Cyclically Adjusted PB Ratio is ranked better than
94.89% of 685 companies
in the Biotechnology industry
Industry Median: 1.62 vs FRA:471A: 0.04

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.

aTyr Pharma's adjusted book value per share data for the three months ended in Jun. 2026 was €0.432. 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 €8.10 for the trailing ten years ended in Jun. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


aTyr Pharma  (FRA:471A) 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.


aTyr Pharma Cyclically Adjusted PB Ratio Related Terms


aTyr Pharma Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for aTyr Pharma'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.

aTyr Pharma Cyclically Adjusted PB Ratio Chart

aTyr Pharma 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 0.00 0.00 0.07 0.18 0.05

aTyr Pharma Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
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 0.25 0.04 0.05 0.06 0.05

FRA:471A vs IBO, BYSI, MCRB: Cyclically Adjusted PB Ratio Comparison

For the Biotechnology subindustry, aTyr Pharma'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.


aTyr Pharma Cyclically Adjusted PB Ratio vs Biotechnology Industry

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

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


FRA:471A
21GF Score
aTyr Pharma Inc FRA:471A
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

aTyr Pharma 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.

aTyr Pharma's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=0.331/8.10
=0.04

* 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.

aTyr Pharma's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 is calculated as:

For example, aTyr Pharma'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)
=0.432/333.9520*333.9520
=0.432

Current CPI (Jun. 2026) = 333.9520.

aTyr Pharma Quarterly Data

Book Value per Share CPI Adj_Book
201609 38.916 241.428 53.830
201612 35.103 241.432 48.555
201703 27.905 243.801 38.224
201706 20.921 244.955 28.522
201709 28.567 246.819 38.652
201712 25.486 246.524 34.524
201803 20.740 249.554 27.754
201806 18.209 251.989 24.132
201809 15.663 252.439 20.721
201812 13.530 251.233 17.985
201903 10.008 254.202 13.148
201906 7.575 256.143 9.876
201909 6.240 256.759 8.116
201912 4.899 256.974 6.367
202003 4.077 258.115 5.275
202006 3.416 257.797 4.425
202009 2.733 260.280 3.507
202012 2.361 260.474 3.027
202103 2.608 264.877 3.288
202106 2.086 271.696 2.564
202109 3.597 274.310 4.379
202112 3.480 278.802 4.168
202203 3.189 287.504 3.704
202206 2.914 296.311 3.284
202209 2.687 296.808 3.023
202212 2.287 296.797 2.573
202303 1.924 301.836 2.129
202306 1.719 305.109 1.882
202309 1.574 307.789 1.708
202312 1.314 306.746 1.431
202403 1.137 312.332 1.216
202406 1.000 314.175 1.063
202409 0.776 315.301 0.822
202412 0.796 315.605 0.842
202503 0.780 319.799 0.815
202506 0.699 322.561 0.724
202509 0.698 324.800 0.718
202512 0.588 324.054 0.606
202603 0.511 330.213 0.517
202606 0.432 333.952 0.432

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 0.04 mean?
aTyr Pharma (FRA:471A) has a Cyclically Adjusted PB Ratio of 0.04 as of Aug. 24, 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 aTyr Pharma and its competitors. This is 56% below median its historical median of 0.09. Over the past decade, aTyr Pharma's Cyclically Adjusted PB Ratio has ranged from 0.03 to 0.29. According to the industry distribution chart, aTyr Pharma ranks #35 out of 685 companies in the Biotechnology industry, placing it in the top 5.1%.
Is aTyr Pharma's Cyclically Adjusted PB Ratio too high?
aTyr Pharma's current Cyclically Adjusted PB Ratio of 0.04 is 56% below median its 10-year median of 0.09. Over the past 10 years, this metric has ranged from a low of 0.03 to a high of 0.29. The Biotechnology industry median Cyclically Adjusted PB Ratio is 1.62. aTyr Pharma's value of 0.04 is 97.5% below this industry median. Based on the distribution chart, aTyr Pharma ranks #35 out of 685 companies in the Biotechnology industry, which is in the top quartile — a strong position relative to peers. Overall, aTyr Pharma has a GF Score™ of 21/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does aTyr Pharma's Cyclically Adjusted PB Ratio compare to IBO and BYSI?
According to the Biotechnology industry distribution chart, aTyr Pharma ranks #35 out of 685 companies for Cyclically Adjusted PB Ratio. This places aTyr Pharma in the top 5% of its industry — outperforming the majority of peers. The industry median Cyclically Adjusted PB Ratio is 1.62. aTyr Pharma's value of 0.04 is 97.5% below this benchmark. Historically, aTyr Pharma's own Cyclically Adjusted PB Ratio has ranged from 0.03 to 0.29 over the past decade. While the company's 10-year median is 0.09 vs. the industry median of 1.62, aTyr Pharma 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 Biotechnology company?
The median Cyclically Adjusted PB Ratio among Biotechnology companies is 1.62, based on 685 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. aTyr Pharma's current Cyclically Adjusted PB Ratio of 0.04 is 97.5% 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 aTyr Pharma and its competitors. For the Biotechnology industry, the median Cyclically Adjusted PB Ratio is 1.62 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. aTyr Pharma's current Cyclically Adjusted PB Ratio is 0.04, which is 56% below median its own 10-year median of 0.09. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is aTyr Pharma stock overvalued right now?
Based on GuruFocus' analysis, aTyr Pharma (FRA:471A) is currently considered Fairly Valued. The stock's GF Value™ is €0.35, compared to a current price of €0.33 — trading 5.4% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 0.04, which is 56% below median its 10-year median of 0.09 and 97.5% below the Biotechnology industry median of 1.62. aTyr Pharma's overall GF Score™ is 21/100 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 PB Ratio calculated?
Cyclically Adjusted PB Ratio is calculated from a company's financial statements. For aTyr Pharma (FRA:471A), the current Cyclically Adjusted PB Ratio is 0.04 as of Aug. 24, 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 aTyr Pharma (FRA:471A) Overvalued in 2026?

Based on GuruFocus' analysis, aTyr Pharma stock appears to be undervalued. The current stock price of €0.33 is trading 5.4% below its estimated GF Value™ of €0.35. GuruFocus considers aTyr Pharma to be Fairly Valued.

Key valuation signals for FRA:471A:

  • Cyclically Adjusted PB Ratio: 0.04 (56% below median its 10-year median of 0.09)
  • GF Value™: €0.35 vs. price of €0.33 (5.4% below fair value)
  • GF Score™: 21/100 with 3 warning signs
  • Industry Position: 97.5% below the Biotechnology median (#35 of 685)

No single metric tells the full story. See the FRA:471A stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


aTyr Pharma Business Description

Other Exchanges ATYR:USA471A:Germany
Address 10240 Sorrento Valley Road, Suite 300, San Diego, CA, USA, 92121
aTyr Pharma Inc is a clinical-stage biotechnology company focused on developing therapies for fibrosis and inflammatory conditions. Its research leverages tRNA synthetase biology to identify potential therapeutic targets. The company's discovery platform uses a proprietary library of domains derived from tRNA synthetases to explore signaling pathways. Its flagship clinical candidate, efzofitimod, is a novel biologic immunomodulatory in development for the treatment of interstitial lung disease (ILD).
21GF Score

Get the complete analysis for FRA:471A

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

€0.33
Price
€0.35
GF Value