Protagonist Therapeutics, Inc.

PTGX·NasdaqGM
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144.88+1.15 (+0.80%)today
At close: Oct 12, 4:00 PM EDT · May be delayed up to 15 min · USD
After hours144.880.00 (0.00%)Oct 12, 4:28 PM EDT

Prices may be delayed up to 15 min. Not investment advice. News volume: articles in the 4Search index each day.

Key statistics

Previous close143.73
Open146.51
Day range143.69152.19
52-week range73.08160.81
Off day high−4.80%
Off 52-week high−9.91%
Volume898.51K
Avg. volume (3M)618.40K
Market cap9.37B
EPS (TTM)1.03
Forward P/E-727.49
P/E ratio (TTM)140.66
Dividend yield—
Beta (5Y)—
Shares outstanding64.71M
Short interest—
Earnings dateAug 5, 2026 (est.)
Analyst target—
Profit margin—

Against its peers

Compare in full ›
PTGX ROIV IOVA LGND ARWR CRVS
Market cap 9.37B 24.99B 6.60B 6.20B 8.58B 845.42M
P/E (TTM) 140.7 — — 32.8 — —
Forward P/E -727.5 -20.1 -67.9 26.0 -12.3 -9.4
Price/book 11.1 5.9 9.0 6.4 18.4 3.8
Dividend yield — — — — — —
1-year change +81.55% +118.63% +583.18% +67.77% +68.88% +47.96%
Today +0.80% −2.40% −0.41% +3.09% −3.22% −4.47%

The closest companies by business and industry (Biotechnology). Prices may be delayed up to 15 min.

Related companies

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The businesses closest to PTGX's by what they do, from their descriptions, with the same industry weighted in.

Company Mkt cap Price Today
Roivant Sciences Ltd.ROIV · Biotechnology 24.99B 34.59 −2.40%
Iovance Biotherapeutics, Inc.IOVA · Biotechnology 6.60B 14.56 −0.41%
Ligand Pharmaceuticals IncorporatedLGND · Biotechnology 6.20B 311.13 +3.09%
Arrowhead Pharmaceuticals, Inc.ARWR · Biotechnology 8.58B 60.73 −3.22%
Corvus Pharmaceuticals, Inc.CRVS · Biotechnology 845.42M 10.05 −4.47%
Odyssey Therapeutics, Inc.ODTX · Biotechnology 877.55M 18.26 −3.89%
IDEAYA Biosciences, Inc.IDYA · Biotechnology 3.48B 36.06 −0.14%
AbCellera Biologics Inc.ABCL · Biotechnology 4.09B 12.64 +0.72%

From the 4Search instruments index: what each company does (its business description), its industry, size, headquarters and the markets it serves; and from a year of daily prices, which move together. Prices may be delayed up to 15 min.

Latest news

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Market data is provided for information only and comes from free public sources. Prices may be delayed up to 15 minutes; data may be incomplete or inaccurate. Nothing on this page is investment advice or a recommendation to buy or sell any security. News and coverage analytics are drawn from the 4Search index. Terms of use.