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Protagonist Therapeutics, Inc.NasdaqGM:PTGX Stock Report

Market Cap US$6.4b
Share Price
US$105.40
US$112.42
6.2% undervalued intrinsic discount
1Y124.8%
7D5.0%
Portfolio Value
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Protagonist Therapeutics, Inc.

NasdaqGM:PTGX Stock Report

Market Cap: US$6.4b

Protagonist Therapeutics (PTGX) Stock Overview

Operates as a discovery and development company in the United States. More details

PTGX fundamental analysis
Snowflake Score
Valuation3/6
Future Growth5/6
Past Performance0/6
Financial Health6/6
Dividends0/6

PTGX Community Fair Values

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US$21.53
69.4% undervalued intrinsic discount
Fair Value
Profit Margin
20%
Future PE
27x
Price in 2030
US$34.67

Protagonist Therapeutics, Inc. Competitors

Price History & Performance

Summary of share price highs, lows and changes for Protagonist Therapeutics
Historical stock prices
Current Share PriceUS$105.40
52 Week HighUS$105.99
52 Week LowUS$39.60
Beta2.24
1 Month Change14.47%
3 Month Change20.68%
1 Year Change124.83%
3 Year Change389.10%
5 Year Change307.42%
Change since IPO800.85%

Recent News & Updates

Protagonist Therapeutics: Assessing The 2026 Upside For Icotrokinra And Rusfertide

Jan 30

Protagonist Therapeutics, Inc.'s (NASDAQ:PTGX) 51% Price Boost Is Out Of Tune With Revenues

Oct 11
Protagonist Therapeutics, Inc.'s (NASDAQ:PTGX) 51% Price Boost Is Out Of Tune With Revenues

Recent updates

Protagonist Therapeutics: Assessing The 2026 Upside For Icotrokinra And Rusfertide

Jan 30

Protagonist Therapeutics, Inc.'s (NASDAQ:PTGX) 51% Price Boost Is Out Of Tune With Revenues

Oct 11
Protagonist Therapeutics, Inc.'s (NASDAQ:PTGX) 51% Price Boost Is Out Of Tune With Revenues

Subdued Growth No Barrier To Protagonist Therapeutics, Inc. (NASDAQ:PTGX) With Shares Advancing 27%

Jun 13
Subdued Growth No Barrier To Protagonist Therapeutics, Inc. (NASDAQ:PTGX) With Shares Advancing 27%

Protagonist Therapeutics: Much More Than Rusfertide In Place To Carry It

Mar 11

Protagonist: Rusfertide PV Data Q1 2025 Isn't The Only 2025 Catalyst On Deck

Jan 13

The Prognosis For Protagonist Therapeutics: Solid Prospects, But Stock Is Pricey

Oct 16

Protagonist Therapeutics: Why I Remain On Sidelines Despite Obvious Promise

Feb 25

Protagonist: Too Many Red Flags

Jun 08

Protagonist Is Still Being Undervalued Like There's Real Risk

Feb 01

Shareholder Returns

PTGXUS BiotechsUS Market
7D5.0%3.2%-0.6%
1Y124.8%31.7%16.0%

Return vs Industry: PTGX exceeded the US Biotechs industry which returned 25.8% over the past year.

Return vs Market: PTGX exceeded the US Market which returned 14% over the past year.

Price Volatility

Is PTGX's price volatile compared to industry and market?
PTGX volatility
PTGX Average Weekly Movement5.6%
Biotechs Industry Average Movement11.3%
Market Average Movement7.1%
10% most volatile stocks in US Market16.4%
10% least volatile stocks in US Market3.3%

Stable Share Price: PTGX has not had significant price volatility in the past 3 months compared to the US market.

Volatility Over Time: PTGX's weekly volatility (6%) has been stable over the past year.

About the Company

FoundedEmployeesCEOWebsite
2006132Dinesh Patelwww.protagonist-inc.com

Protagonist Therapeutics, Inc. operates as a discovery and development company in the United States. It develops Icotyde, a first-in-class investigational targeted oral peptide for the treatment of adults and pediatric patients 12 years of age and older with moderate-to-severe plaque psoriasis; and Rusfertide, a first-in-class investigational injectable mimetic of the natural hormone hepcidin in Phase 3 development for the treatment of the rare blood disorder polycythemia vera. The company is also developing PN-881, a potential best-in-class oral peptide IL-17 antagonist, for the treatment of immune-mediated skin diseases in Phase 1 clinical trials; PN-477 and PN-458, which are development candidates for the treatment of obesity; PN-8047, an orally administered hepcidin functional mimetic small molecule; L-4R alpha antagonist for the treatment of atopic dermatitis and moderate-to-severe asthma; and amylinR-based oral and subcutaneous mono- and poly-agonists for the treatment of obesity.

Protagonist Therapeutics, Inc. Fundamentals Summary

How do Protagonist Therapeutics's earnings and revenue compare to its market cap?
PTGX fundamental statistics
Market capUS$6.37b
Earnings (TTM)-US$130.15m
Revenue (TTM)US$46.02m
146.2x
P/S Ratio
-51.7x
P/E Ratio

Earnings & Revenue

Key profitability statistics from the latest earnings report (TTM)
PTGX income statement (TTM)
RevenueUS$46.02m
Cost of RevenueUS$0
Gross ProfitUS$46.02m
Other ExpensesUS$176.17m
Earnings-US$130.15m

Last Reported Earnings

Dec 31, 2025

Next Earnings Date

n/a

Earnings per share (EPS)-2.04
Gross Margin100.00%
Net Profit Margin-282.83%
Debt/Equity Ratio0%

How did PTGX perform over the long term?

See historical performance and comparison

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2026/03/31 04:54
End of Day Share Price 2026/03/31 00:00
Earnings2025/12/31
Annual Earnings2025/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

PackageDataTimeframeExample US Source *
Company Financials10 years
  • Income statement
  • Cash flow statement
  • Balance sheet
Analyst Consensus Estimates+3 years
  • Forecast financials
  • Analyst price targets
Market Prices30 years
  • Stock prices
  • Dividends, Splits and Actions
Ownership10 years
  • Top shareholders
  • Insider trading
Management10 years
  • Leadership team
  • Board of directors
Key Developments10 years
  • Company announcements

* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Protagonist Therapeutics, Inc. is covered by 18 analysts. 11 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

AnalystInstitution
Etzer DaroutBarclays
Evan SeigermanBMO Capital Markets Equity Research
Timothy ChiangCapital One Securities, Inc.