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Protagonist Therapeutics Inc (PTGX)
:PTGX
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Protagonist Therapeutics (PTGX) AI Stock Analysis

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PTGX

Protagonist Therapeutics

(NASDAQ:PTGX)

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Neutral 68 (OpenAI - 4o)
Rating:68Neutral
Price Target:
$93.00
▲(8.59% Upside)
Protagonist Therapeutics shows strong financial performance and positive technical indicators, suggesting a solid investment potential. However, the high P/E ratio indicates that the stock may be overvalued, warranting caution. The absence of earnings call data and corporate events limits the analysis to financial and technical aspects.
Positive Factors
Strategic Partnerships
The expansion of the ICONIC program by Johnson & Johnson into new indications strengthens Protagonist Therapeutics' market position and enhances its pipeline, potentially leading to increased revenue through royalties and milestone payments.
Product Development
The regulatory submissions for icotrokinra indicate significant progress in product development, which could lead to new market opportunities and revenue streams if approved, enhancing the company's competitive advantage in the biopharmaceutical industry.
Cash Generation
Strong free cash flow growth reflects Protagonist Therapeutics' ability to efficiently convert income into cash, providing financial flexibility to invest in R&D and strategic initiatives, supporting long-term business sustainability.
Negative Factors
Revenue Growth Challenges
Modest revenue growth indicates potential challenges in expanding market share or product adoption, which could impact long-term financial performance and necessitate strategic adjustments to enhance growth.
Operational Challenges
Decreasing EBIT and EBITDA margins suggest operational inefficiencies that could erode profitability if not addressed, potentially impacting the company's ability to sustain long-term financial health.
Earnings Volatility
While profitability has improved, the previous negative margins highlight potential volatility in earnings, which could pose risks to financial stability if not managed effectively.

Protagonist Therapeutics (PTGX) vs. SPDR S&P 500 ETF (SPY)

Protagonist Therapeutics Business Overview & Revenue Model

Company DescriptionProtagonist Therapeutics, Inc., a biopharmaceutical company, discovers and develops peptide-based therapeutic drugs to address hematology and blood disorders, and inflammatory and immunomodulatory diseases. It is developing rusfertide (PTG-300), an injectable hepcidin mimetic that is in Phase II clinical trials for the treatment of patients with polycythemia vera and hereditary hemochromatosis, as well as for the treatment of other blood disorders; PN-943, an oral, alpha-4-beta-7 integrin- specific antagonist peptide that is in Phase II clinical trials for treating inflammatory bowel disease (IBD); and PN-235, an orally delivered interleukin-23 receptor specific antagonist for the treatment of IBD and non-IBD indications. The company has a license and collaboration agreement with Janssen Biotech, Inc. Protagonist Therapeutics, Inc. was incorporated in 2006 and is headquartered in Newark, California.
How the Company Makes MoneyProtagonist Therapeutics primarily generates revenue through the development and commercialization of its drug candidates, which include licensing agreements, milestone payments, and royalties from partnered products. The company enters into collaborations with larger pharmaceutical firms, which provide upfront payments and funding for clinical trials in exchange for future royalties and profit-sharing rights on sales of successful products. Additionally, PTGX may receive milestone payments as drug candidates progress through various stages of clinical development. These revenue streams are bolstered by the company's focus on innovative therapies that address unmet medical needs, which attract interest from potential partners and investors.

Protagonist Therapeutics Financial Statement Overview

Summary
Protagonist Therapeutics demonstrates solid financial health with strong cash flow and a robust balance sheet characterized by low leverage. While revenue growth is positive, declining profit margins and return on equity may pose challenges. Continued focus on operational efficiency and profitability will be crucial for sustaining growth and investor confidence.
Income Statement
72
Positive
Protagonist Therapeutics shows a positive revenue growth trend with a TTM revenue growth rate of 1.8%. The gross profit margin is exceptionally high at nearly 100%, indicating effective cost management. However, the net profit margin has decreased significantly from 63.34% in 2024 to 22.45% in TTM, reflecting potential challenges in maintaining profitability. EBIT and EBITDA margins have also decreased, suggesting increased operational costs or reduced efficiency.
Balance Sheet
65
Positive
The company maintains a strong balance sheet with a low debt-to-equity ratio of 0.0167, indicating minimal leverage and financial risk. The return on equity has decreased from 40.75% in 2024 to 6.86% in TTM, which may concern investors looking for high returns. The equity ratio remains stable, reflecting a solid capital structure.
Cash Flow
78
Positive
Protagonist Therapeutics exhibits strong cash flow management with a significant free cash flow growth rate of 71.74% in TTM. The operating cash flow to net income ratio is healthy at 1.46, indicating efficient cash generation relative to net income. The free cash flow to net income ratio is also strong at 0.97, suggesting effective cash utilization.
BreakdownTTMDec 2024Dec 2023Dec 2022Dec 2021Dec 2020
Income Statement
Total Revenue209.22M434.43M60.00M26.58M27.36M28.63M
Gross Profit209.22M434.43M60.00M26.58M27.36M28.63M
EBITDA27.53M253.67M-90.34M-128.00M-123.07M-63.57M
Net Income45.91M275.19M-78.95M-127.39M-125.55M-66.15M
Balance Sheet
Total Assets701.69M744.73M357.95M247.93M347.69M324.47M
Cash, Cash Equivalents and Short-Term Investments576.12M418.91M341.62M237.35M326.90M305.81M
Total Debt10.75M10.87M1.14M3.66M5.86M5.96M
Total Liabilities56.25M69.43M21.27M32.32M47.67M44.86M
Stockholders Equity645.44M675.29M336.68M215.61M300.02M279.61M
Cash Flow
Free Cash Flow63.71M182.80M-70.84M-108.93M-108.97M-72.95M
Operating Cash Flow65.47M184.15M-70.24M-108.14M-107.86M-72.48M
Investing Cash Flow-106.87M-299.48M-39.26M91.47M-15.86M-90.97M
Financing Cash Flow24.06M25.85M170.48M18.84M129.92M247.63M

Protagonist Therapeutics Technical Analysis

Technical Analysis Sentiment
Positive
Last Price85.64
Price Trends
50DMA
76.97
Positive
100DMA
66.82
Positive
200DMA
57.23
Positive
Market Momentum
MACD
3.15
Positive
RSI
55.13
Neutral
STOCH
44.22
Neutral
Evaluating momentum and price trends is crucial in stock analysis to make informed investment decisions. For PTGX, the sentiment is Positive. The current price of 85.64 is above the 20-day moving average (MA) of 84.35, above the 50-day MA of 76.97, and above the 200-day MA of 57.23, indicating a bullish trend. The MACD of 3.15 indicates Positive momentum. The RSI at 55.13 is Neutral, neither overbought nor oversold. The STOCH value of 44.22 is Neutral, not indicating any strong overbought or oversold conditions. Overall, these indicators collectively point to a Positive sentiment for PTGX.

Protagonist Therapeutics Risk Analysis

Protagonist Therapeutics disclosed 53 risk factors in its most recent earnings report. Protagonist Therapeutics reported the most risks in the "Tech & Innovation" category.
Finance & Corporate - Financial and accounting risks. Risks related to the execution of corporate activity and strategy
Latest Risks Added 0 New Risks

Protagonist Therapeutics Peers Comparison

Overall Rating
UnderperformOutperform
Sector (51)
Financial Indicators
Name
Overall Rating
Market Cap
P/E Ratio
ROE
Dividend Yield
Revenue Growth
EPS Growth
78
Outperform
$3.49B18.1063.17%27.62%202.89%
68
Neutral
$5.29B133.647.80%-35.39%-72.97%
60
Neutral
$4.48B-34.53%-0.06%
51
Neutral
$7.86B-0.30-43.30%2.27%22.53%-2.21%
51
Neutral
$3.60B-15.81%53.66%58.63%
48
Neutral
$2.25B-28.96%23.73%30.16%
39
Underperform
$3.14B-16.52-161.90%-56.78%-191.46%
* Healthcare Sector Average
Performance Comparison
Ticker
Company Name
Price
Change
% Change
PTGX
Protagonist Therapeutics
84.65
44.07
108.60%
ADMA
ADMA Biologics
19.25
-0.70
-3.51%
ZLAB
Zai Lab
19.52
-8.79
-31.05%
AKRO
Akero Therapeutics
54.49
23.57
76.23%
MIRM
Mirum Pharmaceuticals
69.88
24.41
53.68%
AAPG
Ascentage Pharma Group International Unsponsored ADR
32.44
15.19
88.06%

Protagonist Therapeutics Corporate Events

Protagonist Therapeutics Advances Pipeline Amid Financial Loss
Nov 7, 2025

Protagonist Therapeutics Inc. is a biopharmaceutical company focused on the discovery and development of peptide-based therapeutics, primarily targeting inflammatory and hematological disorders.

Protagonist Therapeutics’ PN-881 Study: A Closer Look at Market Implications
Sep 7, 2025

Protagonist Therapeutics Inc. is conducting a study titled ‘A Randomized, Double-Blind, Placebo-Controlled Study of Single and Multiple Ascending Doses of PN-881 in Healthy Subjects.’ The study aims to evaluate the safety, tolerability, pharmacokinetics, and pharmacodynamics of PN-881 in healthy adults, which is crucial for understanding its potential as a therapeutic agent.

Glossary
BuyA stock rated as a "Buy" is expected to perform better than the overall market or a specific benchmark over the near-to-medium term. This rating suggests the stock is likely to deliver higher returns compared to other stocks in the same sector or market index. Note: This is not investment advice; please consult a financial advisor before making investment decisions.
HoldA stock rated as a "Hold" is expected to perform in line with the overall market or a specific benchmark. This rating indicates that the stock is neither particularly compelling nor unfavorable for investment. Note: This is not investment advice; please consult a financial advisor before making investment decisions.
SellA stock rated as a "Sell" is expected to perform worse than the overall market or a specific benchmark over the near-to-medium term. This rating suggests the stock may deliver lower returns compared to other stocks in the same sector or market index. Note: This is not investment advice; please consult a financial advisor before making investment decisions.

Disclaimer

This AI Analyst Stock Report is automatically generated by our AI systems using advanced algorithms and publicly available financial, technical, and market data. While the information provided aims to be accurate and insightful, it is intended for informational purposes only and should not be considered financial advice. Any content created by an AI (Artificial Intelligence) system may contain inaccuracies and/or contain errors. Investing in stocks carries inherent risks, and past performance is not indicative of future results. This report does not account for your personal financial circumstances, objectives, or risk tolerance. Always conduct your own research or consult with a qualified financial advisor before making investment decisions. The analysis and recommendations provided are based on historical and current data and may not fully reflect future market conditions or unexpected developments. Neither the creators of this report nor its affiliated entities guarantee the accuracy, completeness, or reliability of the information presented. Use this report at your own discretion and risk.Date of analysis: Dec 03, 2025