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Protagonist Therapeutics, Inc. logo

Protagonist Therapeutics, Inc. (PTGX) Stock Ticker

NASDAQ: PTGX · Healthcare · Biotechnology
$141.86+3.29%
USD · as of 2026-09-28 · market cap $9.1B
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PTGX right now

Growing revenue 35% a year on 100% gross margins.
Options expect by Oct 6±5.8%
Options expect by Oct 29±11.9%
Priced in for Nov 5 earnings±13.2%
IV rank (30-day)28% · cheap
From Tickr's live models · 2026-09-29. Not investment advice.

Market factors today

Tickr 500 vs S&P 500+0.49%+1.0% MTD
Momentum L/S+1.35%+15.1% MTD
High-beta momo L/S+1.46%+22.2% MTD
Rate sensitivity L/S+1.91%+6.9% MTD
Oil sensitivity L/S-2.54%-5.3% MTD
Unprofitable tech-1.43%+3.7% MTD

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About Protagonist Therapeutics, Inc.

Protagonist Therapeutics, Inc. is a biopharmaceutical firm dedicated to discovering and advancing peptide-based therapies. Their research primarily focuses on treatments for hematological and blood conditions, as well as inflammatory and immune-mediated disorders. The company's pipeline features rusfertide (PTG-300), an injectable hepcidin mimetic currently undergoing Phase II clinical trials for the management of polycythemia vera, hereditary hemochromatosis, and other blood-related ailments. Also in Phase II development is PN-943, an oral peptide engineered as a specific antagonist of alpha-4-beta-7 integrin, intended for addressing inflammatory bowel disease (IBD). Furthermore, they are progressing PN-235, an orally administered antagonist specifically targeting the interleukin-23 receptor, designed for both IBD and various non-IBD therapeutic applications. Protagonist Therapeutics maintains a licensing and collaborative agreement with Janssen Biotech, Inc. Founded in 2006, the company's headquarters are located in Newark, California.

PTGX stock facts

Ticker symbolPTGX
ExchangeNASDAQ Global Market
SectorHealthcare
IndustryBiotechnology
Market cap$9.1B
CEODinesh V. Patel
Employees141
HeadquartersNewark, CA, US
IPO date2016-08-11
Websitewww.protagonist-inc.com

What you can see for PTGX on Tickr

Live PTGX price chart with overlays, the options chain, implied move, IV rank, options flow and Strategy Lab, financial statements and consensus estimates, analyst ratings, catalysts, news with AI scoring, and an AI chat that has read the PTGX report.

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Largest Healthcare companiesLargest companies by market cap

FAQ

What is the ticker symbol for Protagonist Therapeutics, Inc.?

The ticker symbol for Protagonist Therapeutics, Inc. is PTGX, listed on the NASDAQ Global Market.

What is PTGX?

Protagonist Therapeutics, Inc. is a biopharmaceutical firm dedicated to discovering and advancing peptide-based therapies. Their research primarily focuses on treatments for hematological and blood conditions, as well as inflammatory and immune-mediated disorders. The company's pipeline features rusfertide (PTG-300), an injectable hepcidin mimetic currently undergoing Phase II clinical trials…

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