Protagonist Therapeutics, Inc. , a biopharmaceutical company, discovers and develops peptide-based therapeutic drugs to address hematology and blood disorders, and inflammatory and immunomodulatory diseases.
Protagonist Therapeutics stock last closed at $56.37, up 0.09% from the previous day, and has increased 64.1% in one year. It has overperformed other stocks in the Biotechnology industry by 1.4 percentage points. Protagonist Therapeutics stock is currently +83.78% from its 52-week low of $30.67, and -6.98% from its 52-week high of $60.60.
There are currently 61.98M PTGX shares outstanding. The market value of PTGX is $3.49B. In the last 24 hours, 988,000 PTGX shares were traded.
How to Buy Protagonist Therapeutics Stock
Not sure how to invest in Protagonist Therapeutics stock? Here's how.
Figure out where to buy Protagonist Therapeutics stock: You need to pick a stock brokerage, but don't worry - we've sifted through dozens of online stock brokerages and apps to help you decide where to buy Protagonist Therapeutics stock.
Open your brokerage account: Sign up for 0% fee trading with the highest-rated brokerage we've identified.
Put funds into your investment account: Select your method of payment and add your info.
Analyze Protagonist Therapeutics stock: The Protagonist Therapeutics ticker symbol is PTGX. Is Protagonist Therapeutics stock a good investment? Should you buy shares of PTGX? How do PTGX's underlying business fundamentals look? Do top analysts think Protagonist Therapeutics is a good buy? Why has PTGX's stock price moved recently? (Hint: Our stock market analysis tools can help you evaluate if PTGX is a good stock to buy).
Make your PTGX buy order: Decide if you will purchase PTGX shares at the current market price or use a limit order to purchase PTGX stock at a given price.
Keep an eye on your PTGX investment: Create a watchlist to monitor your investment in Protagonist Therapeutics stock.
Step 1: Figure out where to buy Protagonist Therapeutics stock
You will need an online brokerage account to access the NASDAQ market and buy PTGX stock.
A brokerage account is an investment account that enables you to buy and sell a number of investments, such as stocks, bonds, mutual funds, and ETFs.
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Step 2: Open your brokerage account
Now that you've selected the best brokerage, you'll need to fill out some personal details so you can invest in PTGX stock today.
eToro is a multi-asset investment platform. The value of your investments may go up or down. Your capital is at risk.
Step 4: Analyze Protagonist Therapeutics stock
After you have selected the best place to buy Protagonist Therapeutics stock, it's absolutely critical to research their stock prior to investing, so you truly wrap your head around the risk as well as the opportunity.
Protagonist Therapeutics stock data
PTGX Price
$56.37
1w %
3.66%
1y %
64.1%
5y %
250.12%
P/E
62.63x
P/B
5.07x
P/S
17.08x
PEG
N/A
Revenue
$207.80M
Earnings
$56.19M
Fore. Rev. Growth
-12.02%
Fore. Earn. Growth
N/A
Market Cap
$3.49B
Next Earnings
N/A
Next Dividend
N/A
Fundamentals of Protagonist Therapeutics
WallStreetZen was built to help average investors do more accurate fundamental analysis quickly.
PTGX earnings of $57.09M is not enough to cover its interest payments.
There are more short-term assets than short-term liabilities on the PTGX balance sheet.
PTGX has a low debt to equity ratio of 0.08.
Total PTGX debt is lower than 5 years ago, relative to shareholder equity.
PTGX's operating cash flow of $336.94M allows it to safely service it's debt of $11.36M.
There are more short-term assets than long-term liabilities on the PTGX balance sheet.
Signs that PTGX is not financially healthy:
PTGX profit margin has gone down from 51.5% to 27% in the past year.
Is Protagonist Therapeutics stock a Buy, Hold, or Sell, according to analysts?
Out of 6 Wall Street analysts who give recommendations on PTGX, the consensus analyst rating on PTGX is a Strong Buy
Please keep in mind that analyst forecasts are not stock recommendations, nor are they financial advice.
Most Recent PTGX Analyst Forecasts
Brian Cheng, a bottom 6% analyst from JP Morgan maintains PTGX with a strong buy rating and raises their PTGX price target from $53.00 to $57.00, on Mar 4, 2025.
An analyst from Goldman Sachs maintains PTGX with a hold rating and lowers their PTGX price target from $43.00 to $38.00, on Feb 24, 2025.
Last year, PTGX earnings were $56.19M. In the past one years, PTGX's earnings have grown by -66.29% per year. This was slower than the Biotechnology industry average of 8.66%.
Last year, PTGX revenue was $207.80M. During the last 5 year, PTGX's revenue has gone up by 145.76% per year. This was faster than the Biotechnology industry average of 43.24%.
No, Protagonist Therapeutics doesn't provide an income stream by paying out dividends.
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Step 5: Make your PTGX buy order
You have two main options:
Market order: A market order is an order to buy or sell a security at the best price on the market. Market orders are usually sufficient.
Limit order: A limit order lets you buy or sell a stock at a specific price (or better). If you want to be certain you're buying or selling at a specific dollar amount, use a limit order.
Press the Open Trade button and your broker will place the order.
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How much does it cost to buy one Protagonist Therapeutics share?
As of Jun 13, 2025, it costs $56.37 to buy one share of Protagonist Therapeutics stock.
Remember, eToro's fractional share buying allows you to buy partial shares of stocks and ETFs. Even if you only have $10, you can buy 0.177 shares of PTGX.
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.
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.