ATYR (aTyr Pharma) Cyclically Adjusted PB Ratio: 0.05 (As of Aug. 26, 2026) — 44% Below Median

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ATYR aTyr Pharma Inc ATYR
16 GF Score
Price $0.57
GF Value $0.53
Valuation Fairly Valued
! 3 Warning Signs
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What is aTyr Pharma Cyclically Adjusted PB Ratio?

aTyr Pharma ATYR +7.55% 16 Cyclically Adjusted PB Ratio is 0.05 as of Aug. 26, 2026, which is 44% below its 10-year median of 0.09. GuruFocus rates ATYR with a GF Score™ of 16/100 and a GF Value™ of $0.53 (Fairly Valued). The stock has 3 warning signs investors should review. Among 684 Biotechnology companies, aTyr Pharma ranks better than 94.88% on this metric.

As of today (2026-08-26), aTyr Pharma's current share price is $0.5667. aTyr Pharma's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 was $12.14. aTyr Pharma's Cyclically Adjusted PB Ratio for today is 0.05.

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

ATYR' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.03   Med: 0.09   Max: 0.29
Current: 0.05

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.

ATYR's Cyclically Adjusted PB Ratio is ranked better than
94.88% of 684 companies
in the Biotechnology industry
Industry Median: 1.61 vs ATYR: 0.05

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 $0.497. 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 $12.14 for the trailing ten years ended in Jun. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


aTyr Pharma  (NAS:ATYR) 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

ATYR 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.


ATYR
16GF Score
aTyr Pharma Inc ATYR
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
=0.5667/12.14
=0.05

* 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)
=0.497/333.9520*333.9520
=0.497

Current CPI (Jun. 2026) = 333.9520.

aTyr Pharma Quarterly Data

Book Value per Share CPI Adj_Book
201609 43.677 241.428 60.416
201612 37.029 241.432 51.219
201703 29.845 243.801 40.881
201706 23.506 244.955 32.046
201709 34.049 246.819 46.069
201712 30.161 246.524 40.857
201803 25.573 249.554 34.222
201806 21.272 251.989 28.191
201809 18.277 252.439 24.179
201812 15.392 251.233 20.460
201903 11.309 254.202 14.857
201906 8.560 256.143 11.160
201909 6.872 256.759 8.938
201912 5.443 256.974 7.073
202003 4.505 258.115 5.829
202006 3.847 257.797 4.983
202009 3.219 260.280 4.130
202012 2.872 260.474 3.682
202103 3.104 264.877 3.913
202106 2.513 271.696 3.089
202109 4.232 274.310 5.152
202112 3.933 278.802 4.711
202203 3.513 287.504 4.081
202206 3.080 296.311 3.471
202209 2.661 296.808 2.994
202212 2.423 296.797 2.726
202303 2.060 301.836 2.279
202306 1.862 305.109 2.038
202309 1.680 307.789 1.823
202312 1.433 306.746 1.560
202403 1.236 312.332 1.322
202406 1.077 314.175 1.145
202409 0.862 315.301 0.913
202412 0.833 315.605 0.881
202503 0.843 319.799 0.880
202506 0.806 322.561 0.834
202509 0.819 324.800 0.842
202512 0.688 324.054 0.709
202603 0.591 330.213 0.598
202606 0.497 333.952 0.497

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 0.05 mean?
aTyr Pharma (ATYR) has a Cyclically Adjusted PB Ratio of 0.05 as of Aug. 26, 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 44% 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 684 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 0.05 is 44% 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 1.61. aTyr Pharma's value of 0.05 is 96.9% below this industry median. Based on the distribution chart, aTyr Pharma ranks #35 out of 684 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 16/100 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 684 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 1.61. aTyr Pharma's value of 0.05 is 96.9% 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 1.61, 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 1.61, based on 684 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 0.05 is 96.9% 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 1.61 — 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 0.05, which is 44% 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 (ATYR) is currently considered Fairly Valued. The stock's GF Value™ is $0.53, compared to a current price of $0.57 — trading 6.9% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 0.05, which is 44% below median its 10-year median of 0.09 and 96.9% below the Biotechnology industry median of 1.61. aTyr Pharma's overall GF Score™ is 16/100 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 (ATYR), the current Cyclically Adjusted PB Ratio is 0.05 as of Aug. 26, 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 (ATYR) Overvalued in 2026?

Based on GuruFocus' analysis, aTyr Pharma stock appears to be overvalued. The current stock price of $0.57 is trading 6.9% above its estimated GF Value™ of $0.53. GuruFocus considers aTyr Pharma to be Fairly Valued.

Key valuation signals for ATYR:

  • Cyclically Adjusted PB Ratio: 0.05 (44% below median its 10-year median of 0.09)
  • GF Value™: $0.53 vs. price of $0.57 (6.9% above fair value)
  • GF Score™: 16/100 with 3 warning signs
  • Industry Position: 96.9% below the Biotechnology median (#35 of 684)

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


aTyr Pharma Business Description

Other Exchanges 471A: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).
16GF Score

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

$0.57
Price
$0.53
GF Value