PTGX (Protagonist Therapeutics) EBIT: $-142.47 Mil (TTM As of Mar. 2026)


PTGX Protagonist Therapeutics Inc PTGX
51 GF Score
Price $122.36
GF Value $55.69
Valuation Significantly Overvalued
! 7 Warning Signs
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What is Protagonist Therapeutics EBIT?

Protagonist Therapeutics PTGX +2.92% 51 EBIT is $-142.47 Mil as of Mar. 2026. GuruFocus rates PTGX with a GF Score™ of 51/100 and a GF Value™ of $55.69 (Significantly Overvalued). The stock has 7 warning signs investors should review.

Protagonist Therapeutics's earnings before interest and taxes (EBIT) for the three months ended in Mar. 2026 was $-3.65 Mil. Its earnings before interest and taxes (EBIT) for the trailing twelve months (TTM) ended in Mar. 2026 was $-142.47 Mil.

EBIT or Operating Income is linked to Return on Capital for both regular definition and Joel Greenblatt's definition. Protagonist Therapeutics's annualized ROC % for the quarter that ended in Mar. 2026 was -12.00%. Protagonist Therapeutics's annualized ROC (Joel Greenblatt) % for the quarter that ended in Mar. 2026 was -127.68%.

EBIT is also linked to Joel Greenblatt's definition of earnings yield. Protagonist Therapeutics's Earnings Yield (Joel Greenblatt) % for the quarter that ended in Mar. 2026 was -1.94%.


Protagonist Therapeutics  (NAS:PTGX) EBIT Explanation

1. EBIT or Operating Income is linked to Return on Capital for both regular definition and Joel Greenblatt's definition.

Protagonist Therapeutics's annualized ROC % for the quarter that ended in Mar. 2026 is calculated as:

ROC % (Q: Mar. 2026 )
=NOPAT/Average Invested Capital
=Operating Income * ( 1 - Tax Rate % )/( (Invested Capital (Q: Dec. 2025 ) + Invested Capital (Q: Mar. 2026 ))/ count )
=-14.592 * ( 1 - 0% )/( (115.211 + 127.979)/ 2 )
=-14.592/121.595
=-12.00 %

where

Invested Capital(Q: Dec. 2025 )
=Total Assets - Accounts Payable & Accrued Expense - Excess Cash
=Total Assets - Accounts Payable & Accrued Expense - ( Cash, Cash Equivalents, Marketable Securities - max(0, Total Current Liabilities - Total Current Assets+Cash, Cash Equivalents, Marketable Securities))
=668.188 - 20.844 - ( 567.364 - max(0, 45.441 - 577.574+567.364))
=115.211

Invested Capital(Q: Mar. 2026 )
=Total Assets - Accounts Payable & Accrued Expense - Excess Cash
=Total Assets - Accounts Payable & Accrued Expense - ( Cash, Cash Equivalents, Marketable Securities - max(0, Total Current Liabilities - Total Current Assets+Cash, Cash Equivalents, Marketable Securities))
=697.459 - 21.694 - ( 547.786 - max(0, 34.549 - 613.455+547.786))
=127.979

Note: The Operating Income data used here is four times the quarterly (Mar. 2026) data.

2. Joel Greenblatt's definition of Return on Capital:

Protagonist Therapeutics's annualized ROC (Joel Greenblatt) % for the quarter that ended in Mar. 2026 is calculated as:

ROC (Joel Greenblatt) %(Q: Mar. 2026 )
=EBIT/Average of (Net fixed Assets + Net Working Capital)
=EBIT/Average of (Property, Plant and Equipment+Net Working Capital)
     Q: Dec. 2025  Q: Mar. 2026
=EBIT/( ( (Property, Plant and Equipment + Net Working Capital) + (Property, Plant and Equipment + Net Working Capital) )/ count )
=-14.592/( ( (11.689 + max(-37.444, 0)) + (11.168 + max(-23.663, 0)) )/ 2 )
=-14.592/( ( 11.689 + 11.168 )/ 2 )
=-14.592/11.4285
=-127.68 %

where Working Capital is:

Working Capital(Q: Dec. 2025 )
=(Accounts Receivable + Total Inventories + Other Current Assets) - (Accounts Payable & Accrued Expense + Defer. Rev. + Other Current Liabilities)
=(0 + 0 + 5.7139999999999) - (20.844 + 9.55 + 12.764)
=-37.444

Working Capital(Q: Mar. 2026 )
=(Accounts Receivable + Total Inventories + Other Current Assets) - (Accounts Payable & Accrued Expense + Defer. Rev. + Other Current Liabilities)
=(0 + 0 + 8.5470000000001) - (21.694 + 6.282 + 4.234)
=-23.663

When net working capital is negative, 0 is used.

Note: The EBIT data used here is four times the quarterly (Mar. 2026) EBIT data.

3. It is also linked to Joel Greenblatt's definition of Earnings Yield:

Protagonist Therapeutics's Earnings Yield (Joel Greenblatt) % for today is calculated as:

Earnings Yield (Joel Greenblatt) %=EBIT (TTM)/Enterprise Value (Q: Mar. 2026 )
=-142.465/7331.132
=-1.94 %

* 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 EBIT Related Terms


Protagonist Therapeutics EBIT Historical Data

* Premium members only.

The historical data trend for Protagonist Therapeutics's EBIT 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 EBIT Chart

Protagonist Therapeutics Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
EBIT
Get a 7-Day Free Trial Premium Member Only Premium Member Only -125.85 -131.37 -93.65 252.84 -158.13

Protagonist Therapeutics Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
EBIT 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 -19.31 -42.04 -46.42 -50.36 -3.65

PTGX vs SYRE, CELC, MIRM: EBIT Comparison

For the Biotechnology subindustry, Protagonist Therapeutics's EV-to-EBIT, along with its competitors' market caps and EV-to-EBIT 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-EBIT vs Biotechnology Industry

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

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


PTGX
51GF Score
Protagonist Therapeutics Inc PTGX
EBIT is just one metric. See GF Score™, valuation, warning signs, and more.
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Protagonist Therapeutics EBIT Calculation

EBIT, sometimes also called Earnings Before Interest and Taxes, is a measure of a firm's profit that includes all expenses except interest and income tax expenses. It is the difference between operating revenues and operating expenses. When a firm does not have non-operating income, then Operating Income is sometimes used as a synonym for EBIT and operating profit.

EBIT for the trailing twelve months (TTM) ended in Mar. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was $-142.47 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 EBIT →
What does a EBIT of $-142.47 Mil mean?
Protagonist Therapeutics (PTGX) has a EBIT of $-142.47 Mil as of Mar. 2026. Earnings before interest and taxes is the difference between operating revenue and operating expenses. View historical data on Protagonist Therapeutics.
Is Protagonist Therapeutics' EBIT too high?
Protagonist Therapeutics' current EBIT is $-142.47 Mil. Overall, Protagonist Therapeutics has a GF Score™ of 51/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Protagonist Therapeutics' EBIT compare to SYRE and CELC?
Protagonist Therapeutics' EBIT of $-142.47 Mil can be compared against companies in the Biotechnology industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good EBIT for a Biotechnology company?
A good EBIT depends on the Biotechnology industry context. However, EBIT should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high EBIT mean?
A high EBIT can signal that a stock is expensive relative to its fundamentals. Earnings before interest and taxes is the difference between operating revenue and operating expenses. View historical data on Protagonist Therapeutics. Protagonist Therapeutics's current EBIT is $-142.47 Mil. 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 $55.69, compared to a current price of $122.36 — trading 119.7% above its estimated fair value. The current EBIT is $-142.47 Mil. Protagonist Therapeutics' overall GF Score™ is 51/100 with 7 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is EBIT calculated?
EBIT is calculated from a company's financial statements. For Protagonist Therapeutics (PTGX), the current EBIT is $-142.47 Mil as of Mar. 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 $122.36 is trading 119.7% above its estimated GF Value™ of $55.69. GuruFocus considers Protagonist Therapeutics to be Significantly Overvalued.

Key valuation signals for PTGX:

  • EBIT: $-142.47 Mil
  • GF Value™: $55.69 vs. price of $122.36 (119.7% above fair value)
  • GF Score™: 51/100 with 7 warning signs

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.
51GF Score

Get the complete analysis for PTGX

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

$122.36
Price
$55.69
GF Value