PTGX (Protagonist Therapeutics) EV-to-EBITDA: 152.54 (As of Aug. 24, 2026)

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PTGX Protagonist Therapeutics Inc PTGX
53 GF Score
Price $153.12
GF Value $90.10
Valuation Significantly Overvalued
! 6 Warning Signs
View Full Analysis

What is Protagonist Therapeutics EV-to-EBITDA?

Protagonist Therapeutics PTGX -0.82% 53 EV-to-EBITDA is 152.54 as of Aug. 24, 2026. GuruFocus rates PTGX with a GF Score™ of 53/100 and a GF Value™ of $90.10 (Significantly Overvalued). The stock has 6 warning signs investors should review. Among 408 Biotechnology companies, Protagonist Therapeutics ranks worse than 94.61% on this metric.

EV-to-EBITDA is calculated as enterprise value divided by its EBITDA. As of today, Protagonist Therapeutics's enterprise value is $9,134.8 Mil. Protagonist Therapeutics's EBITDA for the trailing twelve months (TTM) ended in Jun. 2026 was $59.9 Mil. Therefore, Protagonist Therapeutics's EV-to-EBITDA for today is 152.54.

The historical rank and industry rank for Protagonist Therapeutics's EV-to-EBITDA or its related term are showing as below:

PTGX' s EV-to-EBITDA Range Over the Past 10 Years
Min: -57.11   Med: -3.35   Max: 275.35
Current: 152.54

During the past 12 years, the highest EV-to-EBITDA of Protagonist Therapeutics was 275.35. The lowest was -57.11. And the median was -3.35.

PTGX's EV-to-EBITDA is ranked worse than
94.61% of 408 companies
in the Biotechnology industry
Industry Median: 14.13 vs PTGX: 152.54

EV-to-EBITDA is a valuation multiple used in finance and investment to measure the value of a company. This important multiple is often used in conjunction with, or as an alternative to, the PE Ratio to determine the fair market value of a company.

As of today (2026-08-24), Protagonist Therapeutics's stock price is $153.12. Protagonist Therapeutics's Earnings per Share (Diluted) for the trailing twelve months (TTM) ended in Jun. 2026 was $1.030. Therefore, Protagonist Therapeutics's PE Ratio (TTM) for today is 148.66.

The "classic" EV-to-EBITDA is much better in capturing debt and net cash than the PE Ratio (TTM).


Protagonist Therapeutics  (NAS:PTGX) EV-to-EBITDA Explanation

EV-to-EBITDA is a valuation multiple used in finance and investment to measure the value of a company. This important multiple is often used in conjunction with, or as an alternative to, the PE Ratio (TTM) to determine the fair market value of a company.

Protagonist Therapeutics's PE Ratio (TTM) for today is calculated as:

PE Ratio (TTM)=Share Price (Today)/Earnings per Share (Diluted) (TTM)
=153.12/1.030
=148.66

Protagonist Therapeutics's share price for today is $153.12.
Protagonist Therapeutics's Earnings per Share (Diluted) for the trailing twelve months (TTM) ended in Jun. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was $1.030.

* 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.

Study has found that the companies with the lowest EV-to-EBITDA outperforms companies measured as cheap by other ratios such as PE Ratio (TTM).

Please read Which price ratio outperforms the enterprise multiple?


Protagonist Therapeutics EV-to-EBITDA Related Terms


Protagonist Therapeutics EV-to-EBITDA Historical Data

* Premium members only.

The historical data trend for Protagonist Therapeutics's EV-to-EBITDA 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.

Protagonist Therapeutics EV-to-EBITDA Chart

Protagonist Therapeutics Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
EV-to-EBITDA
Get a 7-Day Free Trial Premium Member Only Premium Member Only -10.52 -2.34 -10.60 7.68 -31.29

Protagonist Therapeutics Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
EV-to-EBITDA 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 115.55 178.88 -31.29 -44.19 119.47

PTGX vs CRNX, SYRE, TGTX: EV-to-EBITDA Comparison

For the Biotechnology subindustry, Protagonist Therapeutics's EV-to-EBITDA, along with its competitors' market caps and EV-to-EBITDA 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.


Protagonist Therapeutics EV-to-EBITDA vs Biotechnology Industry

For the Biotechnology industry and Healthcare sector, Protagonist Therapeutics's EV-to-EBITDA distribution charts can be found below:

* The bar in red indicates where Protagonist Therapeutics's EV-to-EBITDA falls into.


PTGX
53GF Score
Protagonist Therapeutics Inc PTGX
EV-to-EBITDA is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Protagonist Therapeutics EV-to-EBITDA Calculation

Protagonist Therapeutics's EV-to-EBITDA for today is calculated as:

EV-to-EBITDA=Enterprise Value (Today)/EBITDA (TTM)
=9134.774/59.883
=152.54

Protagonist Therapeutics's current Enterprise Value is $9,134.8 Mil.
Protagonist Therapeutics's EBITDA for the trailing twelve months (TTM) ended in Jun. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was $59.9 Mil.

* 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.

Frequently Asked Questions Learn more about EV-to-EBITDA →
What does a EV-to-EBITDA of 152.54 mean?
Protagonist Therapeutics (PTGX) has a EV-to-EBITDA of 152.54 as of Aug. 24, 2026. EV to EBITDA ratio is the company's enterprise value divided by earnings before interest, taxes, depreciation and amortization. View historical data on Protagonist Therapeutics. According to the industry distribution chart, Protagonist Therapeutics ranks #386 out of 408 companies in the Biotechnology industry, placing it in the top 94.6%.
Is Protagonist Therapeutics' EV-to-EBITDA too high?
Protagonist Therapeutics' current EV-to-EBITDA is 152.54. The Biotechnology industry median EV-to-EBITDA is 14.13. Protagonist Therapeutics' value of 152.54 is 979.5% above this industry median. Based on the distribution chart, Protagonist Therapeutics ranks #386 out of 408 companies in the Biotechnology industry, which is in the bottom quartile relative to peers. Overall, Protagonist Therapeutics has a GF Score™ of 53/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Protagonist Therapeutics' EV-to-EBITDA compare to CRNX and SYRE?
According to the Biotechnology industry distribution chart, Protagonist Therapeutics ranks #386 out of 408 companies for EV-to-EBITDA. This places Protagonist Therapeutics in the lower half of its industry. The industry median EV-to-EBITDA is 14.13. Protagonist Therapeutics' value of 152.54 is 979.5% above this benchmark. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good EV-to-EBITDA for a Biotechnology company?
The median EV-to-EBITDA among Biotechnology companies is 14.13, based on 408 companies in the industry. Companies in the top quartile (top 25%) have a EV-to-EBITDA significantly above this median, while those in the bottom quartile fall well below. However, EV-to-EBITDA should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Protagonist Therapeutics's current EV-to-EBITDA of 152.54 is 979.5% above 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 EV-to-EBITDA mean?
A high EV-to-EBITDA can signal that a stock is expensive relative to its fundamentals. EV to EBITDA ratio is the company's enterprise value divided by earnings before interest, taxes, depreciation and amortization. View historical data on Protagonist Therapeutics. For the Biotechnology industry, the median EV-to-EBITDA is 14.13 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Protagonist Therapeutics's current EV-to-EBITDA is 152.54. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Protagonist Therapeutics stock overvalued right now?
Based on GuruFocus' analysis, Protagonist Therapeutics (PTGX) is currently considered Significantly Overvalued. The stock's GF Value™ is $90.10, compared to a current price of $153.12 — trading 69.9% above its estimated fair value. The current EV-to-EBITDA is 152.54 and 979.5% above the Biotechnology industry median of 14.13. Protagonist Therapeutics' overall GF Score™ is 53/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is EV-to-EBITDA calculated?
EV-to-EBITDA is calculated from a company's financial statements. For Protagonist Therapeutics (PTGX), the current EV-to-EBITDA is 152.54 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 Protagonist Therapeutics (PTGX) Overvalued in 2026?

Based on GuruFocus' analysis, Protagonist Therapeutics stock appears to be overvalued. The current stock price of $153.12 is trading 69.9% above its estimated GF Value™ of $90.10. GuruFocus considers Protagonist Therapeutics to be Significantly Overvalued.

Key valuation signals for PTGX:

  • EV-to-EBITDA: 152.54
  • GF Value™: $90.10 vs. price of $153.12 (69.9% above fair value)
  • GF Score™: 53/100 with 6 warning signs
  • Industry Position: 979.5% above the Biotechnology median (#386 of 408)

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


Protagonist Therapeutics Business Description

Address 7707 Gateway Boulevard, Suite 140, Newark, CA, USA, 94560
Protagonist Therapeutics Inc is a biopharmaceutical company engaged in the discovery and development of peptide-based therapeutics using its proprietary technology platform. The company focuses on three therapeutic areas: inflammation and immunology, hematology, and metabolic diseases. Its pipeline includes clinical-stage and preclinical candidates such as rusfertide for polycythemia vera, icotrokinra for inflammatory diseases, and other programs targeting IL-17, obesity, and iron metabolism disorders, developed through internal research and strategic collaborations.
53GF Score

Get the complete analysis for PTGX

EV-to-EBITDA is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$153.12
Price
$90.10
GF Value