NASDAQ: PTGX
Protagonist Therapeutics Inc Stock

$56.37+0.05 (+0.09%)
Updated Jun 13, 2025
PTGX Price
$56.37
Fair Value Price
N/A
Market Cap
$3.49B
52 Week Low
$30.67
52 Week High
$60.60
P/E
62.63x
P/B
5.07x
P/S
14.65x
PEG
N/A
Dividend Yield
N/A
Revenue
$207.80M
Earnings
$56.19M
Gross Margin
100%
Operating Margin
27.47%
Profit Margin
27%
Debt to Equity
0.08
Operating Cash Flow
$337M
Beta
1.15
Next Earnings
N/A
Ex-Dividend
N/A
Next Dividend
N/A

PTGX Overview

Protagonist 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.

Zen Rating

Our proven quant model uses 115 proprietary factors, including AI, to determine PTGX's potential to beat the market

CHold
  • Stocks with a Zen Rating of Hold (C) had an average return of +7.53% per year. Learn More

Zen Rating Component Grades

C
Zen Rating uses advanced AI algorithms that detect subtle patterns in market data; it anticipates future trends that point to superior stock price results.

Industry: Biotech

Industry Rating
F
PTGX
Ranked
#191 of 464

Top Ranked Stocks in Industry

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PTGX News

Overview

Due Diligence Score

Industry Average (24)
You've viewed Due Diligence Score for 10/10 free stocks. Upgrade to Premium to see how PTGX scored across 33 valuation, financial, forecast, performance, and dividend due diligence checks.

Due Diligence Checks

PTGX was unprofitable, so we are unable to calculate its intrinsic value according to an updated version of Benjamin Graham's Formula from "The Intelligent Investor"
Below Benjamin Graham Formula Value Valuation
PTGX is poor value based on its earnings relative to its share price (62.63x), compared to the US market average (31.36x)
P/E vs Market Valuation
PTGX is good value based... subscribe to Premium to read more.
P/E vs Industry Valuation
There are 30 more PTGX due diligence checks available for Premium users.

Valuation

PTGX price to earnings (PE)

For valuing profitable companies with steady earnings

Company
62.63x
Industry
-108.97x
Market
31.36x
PTGX is good value based... subscribe to Premium to read more.
P/E vs Industry Valuation
PTGX is poor value based... subscribe to Premium to read more.
P/E vs Market Valuation

PTGX price to book (PB)

For valuing companies that are loss-making or have lots of physical asset

Company
5.07x
Industry
4.66x
PTGX is poor value based... subscribe to Premium to read more.
P/B vs Industry Valuation

PTGX's financial health

Profit margin

Revenue
$28.3M
Net Income
-$11.7M
Profit Margin
-41.2%
PTGX's Earnings (EBIT) of $57.09M... subscribe to Premium to read more.
Interest Coverage Financials
PTGX's profit margin has decreased... subscribe to Premium to read more.
Profit Margin Growth Financials

Assets to liabilities

Assets
$742.1M
Liabilities
$53.1M
Debt to equity
0.08
PTGX's short-term assets ($605.86M) exceed... subscribe to Premium to read more.
Short-term Liabilities Financials
PTGX's short-term assets ($605.86M) exceed... subscribe to Premium to read more.
Long-term Liabilities Financials
PTGX's debt relative to shareholder... subscribe to Premium to read more.
Shrinking Debt Financials
PTGX's debt to equity ratio... subscribe to Premium to read more.
Healthy Debt to Equity Financials

Cash flow

Operating
$125.4M
Investing
-$94.4M
Financing
$11.4M
PTGX's operating cash flow ($336.94M)... subscribe to Premium to read more.
Debt Coverage Financials

PTGX vs Biotech Stocks

TickerZen RatingMarket Cap1d %P/EP/B
PTGXC$3.49B+0.09%62.63x5.07x
SWTX$3.52B+0.04%-13.72x8.44x
RAREC$3.54B-4.58%-6.39x25.83x
SRPTC$3.56B-3.03%-14.41x3.11x
CRSPD$3.57B+0.19%-9.19x1.95x

Protagonist Therapeutics Stock FAQ

What is Protagonist Therapeutics's quote symbol?

(NASDAQ: PTGX) Protagonist Therapeutics trades on the NASDAQ under the ticker symbol PTGX. Protagonist Therapeutics stock quotes can also be displayed as NASDAQ: PTGX.

If you're new to stock investing, here's how to buy Protagonist Therapeutics stock.

What is the 52 week high and low for Protagonist Therapeutics (NASDAQ: PTGX)?

(NASDAQ: PTGX) Protagonist Therapeutics's 52-week high was $60.60, and its 52-week low was $30.67. It is currently -6.98% from its 52-week high and 83.78% from its 52-week low.

How much is Protagonist Therapeutics stock worth today?

(NASDAQ: PTGX) Protagonist Therapeutics currently has 61,981,955 outstanding shares. With Protagonist Therapeutics stock trading at $56.37 per share, the total value of Protagonist Therapeutics stock (market capitalization) is $3.49B.

Protagonist Therapeutics stock was originally listed at a price of $11.70 in Aug 11, 2016. If you had invested in Protagonist Therapeutics stock at $11.70, your return over the last 8 years would have been 381.79%, for an annualized return of 21.72% (not including any dividends or dividend reinvestments).

How much is Protagonist Therapeutics's stock price per share?

(NASDAQ: PTGX) Protagonist Therapeutics stock price per share is $56.37 today (as of Jun 13, 2025).

What is Protagonist Therapeutics's Market Cap?

(NASDAQ: PTGX) Protagonist Therapeutics's market cap is $3.49B, as of Jun 16, 2025.

Market cap (market capitalization) is the total market value of a publicly traded company's outstanding shares.

Protagonist Therapeutics's market cap is calculated by multiplying PTGX's current stock price of $56.37 by PTGX's total outstanding shares of 61,981,955.
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Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.