Protagonist Therapeutics

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About PTGX

Protagonist Therapeutics, Inc. a clinical-stage biopharmaceutical company, which engages in discovering and developing peptide-based therapeutic drugs to address unmet medical needs. Its product pipeline includes PTG-300, PTG-200, and PN-943. 

CEO
Dinesh V. Patel
CEODinesh V. Patel
Employees
132
Employees132
Headquarters
Newark, California
HeadquartersNewark, California
Founded
2006
Founded2006
Employees
132
Employees132

PTGX Key Statistics

Market cap
7.06B
Market cap7.06B
Price-Earnings ratio
-60.86
Price-Earnings ratio-60.86
Dividend yield
Dividend yield
Average volume
689.60K
Average volume689.60K
High today
$111.78
High today$111.78
Low today
$109.60
Low today$109.60
Open price
$109.85
Open price$109.85
Volume
445.25K
Volume445.25K
52 Week high
$111.78
52 Week high$111.78
52 Week low
$49.38
52 Week low$49.38

Stock Snapshot

The current Protagonist Therapeutics(PTGX) stock price is $109.78, with a market capitalization of 7.06B. The stock trades at a price-to-earnings (P/E) ratio of -60.86.

On 2026-06-12, Protagonist Therapeutics(PTGX) stock traded between a low of $109.60 and a high of $111.78. Shares are currently priced at $109.78, which is +0.2% above the low and -1.8% below the high.

Protagonist Therapeutics(PTGX) shares are trading with a volume of 445.25K, against a daily average of 689.6K.

In the last year, Protagonist Therapeutics(PTGX) shares hit a 52-week high of $111.78 and a 52-week low of $49.38.

In the last year, Protagonist Therapeutics(PTGX) shares hit a 52-week high of $111.78 and a 52-week low of $49.38.

PTGX News

Benzinga 12h
Silence Therapeutics Stock Rises On Positive Blood Cancer Drug Data - Benzinga

...

Silence Therapeutics Stock Rises On Positive Blood Cancer Drug Data - Benzinga
TipRanks 1d
Top Protagonist Therapeutics Insider Makes a Major Move With His Shares

New insider activity at Protagonist Therapeutics ( (PTGX) ) has taken place on June 11, 2026. Director William Waddill of Protagonist Therapeutics has cashed o...

Analyst ratings

93%

of 14 ratings
Buy
92.9%
Hold
7.1%
Sell
0%

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