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PTIX (Protagenic Therapeutics) Cyclically Adjusted PB Ratio : 0.06 (As of May. 30, 2025)


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What is Protagenic Therapeutics Cyclically Adjusted PB Ratio?

As of today (2025-05-30), Protagenic Therapeutics's current share price is $3.85. Protagenic Therapeutics's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2025 was $67.27. Protagenic Therapeutics's Cyclically Adjusted PB Ratio for today is 0.06.

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

PTIX' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0   Med: 0   Max: 0.06
Current: 0.06

During the past years, Protagenic Therapeutics's highest Cyclically Adjusted PB Ratio was 0.06. The lowest was 0.00. And the median was 0.00.

PTIX's Cyclically Adjusted PB Ratio is ranked better than
91.51% of 671 companies
in the Biotechnology industry
Industry Median: 1.49 vs PTIX: 0.06

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.

Protagenic Therapeutics's adjusted book value per share data for the three months ended in Mar. 2025 was $-0.164. 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 $67.27 for the trailing ten years ended in Mar. 2025.

Shiller PE for Stocks: The True Measure of Stock Valuation


Protagenic Therapeutics Cyclically Adjusted PB Ratio Historical Data

The historical data trend for Protagenic Therapeutics'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.

* Premium members only.

Protagenic Therapeutics Cyclically Adjusted PB Ratio Chart

Protagenic Therapeutics Annual Data
Trend Jun15 Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only - - - 0.22 0.11

Protagenic Therapeutics Quarterly Data
Jun20 Sep20 Dec20 Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25
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 0.40 0.20 0.14 0.11 0.04

Competitive Comparison of Protagenic Therapeutics's Cyclically Adjusted PB Ratio

For the Biotechnology subindustry, Protagenic Therapeutics'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.


Protagenic Therapeutics's Cyclically Adjusted PB Ratio Distribution in the Biotechnology Industry

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

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


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Protagenic Therapeutics 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.

Protagenic Therapeutics's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=3.85/67.27
=0.06

* 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.

Protagenic Therapeutics's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2025 is calculated as:

For example, Protagenic Therapeutics's adjusted Book Value per Share data for the three months ended in Mar. 2025 was:

Adj_Book=Book Value per Share/CPI of Mar. 2025 (Change)*Current CPI (Mar. 2025)
=-0.164/134.9266*134.9266
=-0.164

Current CPI (Mar. 2025) = 134.9266.

Protagenic Therapeutics Quarterly Data

Book Value per Share CPI Adj_Book
201506 -71.714 100.684 -96.104
201509 -90.429 100.392 -121.537
201512 -113.000 99.792 -152.784
201603 430.857 100.470 578.619
201606 1,593.500 101.688 2,114.363
201609 19.858 101.861 26.304
201612 13.536 101.863 17.930
201703 11.896 102.862 15.604
201706 10.257 103.349 13.391
201709 9.197 104.136 11.916
201712 6.661 104.011 8.641
201803 5.273 105.290 6.757
201806 3.060 106.317 3.883
201809 1.765 106.507 2.236
201812 -1.153 105.998 -1.468
201903 -1.978 107.251 -2.488
201906 -2.071 108.070 -2.586
201909 -1.989 108.329 -2.477
201912 -3.464 108.420 -4.311
202003 -3.202 108.902 -3.967
202006 -4.077 108.767 -5.058
202009 -5.519 109.815 -6.781
202012 -6.216 109.897 -7.632
202103 -10.492 111.754 -12.668
202106 37.234 114.631 43.826
202109 34.228 115.734 39.904
202112 32.384 117.630 37.146
202203 28.312 121.301 31.492
202206 26.725 125.017 28.843
202209 23.890 125.227 25.741
202212 22.388 125.222 24.123
202303 20.757 127.348 21.992
202306 17.521 128.729 18.365
202309 13.440 129.860 13.964
202312 11.571 129.419 12.063
202403 6.726 131.776 6.887
202406 2.486 132.554 2.531
202409 2.096 133.029 2.126
202412 1.959 133.157 1.985
202503 -0.164 134.927 -0.164

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.


Protagenic Therapeutics  (NAS:PTIX) 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.


Protagenic Therapeutics Cyclically Adjusted PB Ratio Related Terms

Thank you for viewing the detailed overview of Protagenic Therapeutics's Cyclically Adjusted PB Ratio provided by GuruFocus.com. Please click on the following links to see related term pages.


Protagenic Therapeutics Business Description

Traded in Other Exchanges
N/A
Address
149 Fifth Avenue, Suite 500, New York, NY, USA, 10010
Protagenic Therapeutics Inc is a biopharmaceutical company focused on the discovery and development of therapeutics to treat stress-related neuropsychiatric and mood disorders. It provides treatments for mood, anxiety, depression, and neurodegenerative disorders by using peptide-based and brain-active therapeutics. The company's main compound, PT00114, is a synthetic form of Teneurin Carboxy-terminal Associated Peptide, an endogenous brain signaling peptide that can dampen overactive stress responses. It has also created a portfolio of novel neuropeptides that are in various stages of development and preclinical evaluation for the treatment of mood disorders.
Executives
Alexander K. Arrow officer: Chief Financial Officer PO BOX 3094, REDWOOD CITY CA 94064
Jennifer Buell director 3 FORBES ROAD, LEXINGTON MA 02421
Brian Corvese director C/O ANTIGENICS INC., 162 FIFTH AVENUE, SUITE 900, NEW YORK NY 10010
Robert Benjamin Stein director C/O AGENUS INC., 3 FORBES ROAD, LEXINGTON MA 02421
Khalil Barrage director 149 FIFTH AVENUE, SUITE 500, NEW YORK NY 10010
Gregory Ekizian director 149 FIFTH AVENUE, SUITE 500, NEW YORK NY 10010
Robert Ziroyan officer: COO / Interim President 149 FIFTH AVENUE, SUITE 500, NEW YORK NY 10010
Joshua Silverman director IROQUOIS CAPITAL MANAGEMENT LLC, 205 EAST 42ND ST - 20TH FL., NEW YORK NY 10017
Garo H Armen director, 10 percent owner, officer: See Remarks 3 FORBES ROAD, LEXINGTON MA 02421
Edward J Gildea director, officer: Chief Executive Officer C/O CONVERTED ORGANICS INC., 7A COMMERCIAL WHARF WEST, BOSTON MA 02110
David J Horin officer: Chief Financial Officer 1270 AVENUE OF THE AMERICAS, 16TH FLOOR, NEW YORK NY 10020
Jonathan Schechter director C/O ATRINSIC, INC. 1 GRAND CENTRAL PLACE, SUITE 2319, NEW YORK NY 10165
Nathan Yu-gai Fong officer: Chief Financial Officer THE ORCHARD ENTERPRISES, INC., 23 E. 4TH ST., 3RD FL., NEW YORK NY 10003
Sharon Siegel officer: Chief Marketing Officer C/O ATRINSIC, INC., 469 SEVENTH AVENUE, 10TH FLOOR, NEW YORK NY 10018
Raymond Musci director, officer: Exec VP, Corporate Development C/O BRILLIANT DIGITAL ENTERTAINMENT INC, 6355 TOPANGA CANYON BOULEVARD SUITE 520, WOODLAND HILLS CA 91367