PTGX (Protagonist Therapeutics) Quality Rank

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Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
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Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

PTGX Protagonist Therapeutics Inc PTGX
47 GF Score
Price $136.12
GF Value $67.54
Valuation Significantly Overvalued
! 8 Warning Signs
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What is Protagonist Therapeutics Quality Rank?

The Quality Rank measures the business quality of a company relative to other companies. It is ranked based on the strength of the balance sheet, as well as the profitability and growth of the business. The ranked companies are split in equal numbers and then ranked from 1 to 10, with 10 being the highest.

The rank of balance sheet (30%)

The rank of balance sheet is done through the ranking of:
  • Interest coverage
  • Zscore
  • Debt to revenue
  • Equity to asset
  • Cash to debt

The rank of Profitability (70%)

The ranking of Profitability is done by ranking:
  • Operating margin mean rank (10-year mean average profit margine)
  • Operating margin growth rank
  • Fscore
  • Predictability rank
  • Revenue growth rank (5 year), when the growth is higher than 25%, set it as 25%
  • Num of year profit (number of years that is profitable within the last 10 years)
  • ROIC median (10-year median of ROIC)

Protagonist Therapeutics Quality Rank Related Terms

PTGX
47GF Score
Protagonist Therapeutics Inc PTGX
Quality Rank is just one metric. See GF Score™, valuation, warning signs, and more.
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Is Protagonist Therapeutics (PTGX) Overvalued in 2026?

Based on GuruFocus' analysis, Protagonist Therapeutics stock appears to be overvalued. The current stock price of $136.12 is trading 101.5% above its estimated GF Value™ of $67.54. GuruFocus considers Protagonist Therapeutics to be Significantly Overvalued.

Key valuation signals for PTGX:

  • Quality Rank:
  • GF Value™: $67.54 vs. price of $136.12 (101.5% above fair value)
  • GF Score™: 47/100 with 8 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.
47GF Score

Get the complete analysis for PTGX

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

$136.12
Price
$67.54
GF Value