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Protagonist Therapeutics, Inc. - Common Stock (NQ:PTGX)

98.37 -2.37 (-2.35%)

Streaming Delayed Price Updated: 4:00 PM EDT, May 19, 2026 Add to My Watchlist

Price and Volume

Detailed Quote

Volume	492,707
Open	100.25
Bid (Size)	98.29 (100)
Ask (Size)	98.38 (100)
Prev. Close	100.74
Today's Range	96.69 - 100.26
52wk Range	44.04 - 107.84
Shares Outstanding	62,577,897
Dividend Yield	N/A

Intraday 1 Week 1 Month 3 Month 1 Year 3 Year 5 Year

Top News

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Performance

YTD	+12.8%	+12.8%
1 Month	-6.7%	-6.7%
3 Month	+19.3%	+19.3%
6 Month	+16.0%	+16.0%
1 Year	+115.9%	+115.9%

More News

Hedge Fund Drops $37 Million on Rare Disease Biotech Crinetics. Is It a Buy? ↗

May 18, 2026

Via The Motley Fool

Protagonist Reports First Quarter 2026 Financial Results and Provides Corporate Update

May 05, 2026

Via ACCESS Newswire

Protagonist Exercises Rusfertide U.S. Opt-Out Right Under Takeda Collaboration

April 28, 2026

Via ACCESS Newswire

Protagonist Therapeutics Reports Granting of Inducement Awards

April 16, 2026

Via ACCESS Newswire

Protagonist Announces Presentation of One-Year Phase 3 Data for ICOTYDE(TM) in Moderate-to-Severe Plaque Psoriasis at the 2026 American Academy of Dermatology (AAD) Annual Meeting

March 28, 2026

Via ACCESS Newswire

FDA Approves Protagonist’s ICOTYDE: The Oral Peptide Revolution Hits the Psoriasis Market

March 23, 2026

Via MarketMinute

This New $193 Million Bet Targets a Biotech With $689 Million in Revenue and a Potential Turnaround Story ↗

March 21, 2026

Via The Motley Fool

This $116 Million Buy Joins a 360% Stock Run and Seemingly Signals Conviction in a Key Drug Launch ↗

March 21, 2026

Via The Motley Fool

This Specialized Heart Monitor Maker Just Caught the Eye of a Major Healthcare Fund ↗

March 20, 2026

Via The Motley Fool

Protagonist Therapeutics Announces U.S. FDA Approval of ICOTYDE(TM) (icotrokinra) for the Treatment of Moderate to Severe Plaque Psoriasis

March 18, 2026

Via ACCESS Newswire

Takeda and Protagonist Announce U.S. Food and Drug Administration Accepts New Drug Application and Grants Priority Review for Rusfertide as a Potential First-in-Class Therapy for Polycythemia Vera

March 02, 2026

From Takeda Pharmaceutical Company Limited

Via Business Wire

CORRECTION: Protagonist Reports Fourth Quarter and Full Year 2025 Financial Results and Provides Corporate Update

February 25, 2026

Via ACCESS Newswire

Protagonist Reports Fourth Quarter and Full Year 2025 Financial Results and Provides Corporate Update

February 25, 2026

Via ACCESS Newswire

Protagonist Stock Up 120%, but One Fund Just Revealed a $170 Million Exit ↗

February 25, 2026

Via The Motley Fool

Protagonist Therapeutics to Participate in Multiple Investment Bank Conferences in March 2026

February 24, 2026

Via ACCESS Newswire

Protagonist Therapeutics Director Sells 20,000 Shares Amid Strong Stock Performance ↗

February 16, 2026

Via The Motley Fool

Protagonist Therapeutics Chief Medical Officer Sells PTGX 9,514 Shares for $784K to Cover Taxes ↗

February 01, 2026

Via The Motley Fool

"Animal Spirits" Return: Morgan Stanley Signals M&A Renaissance as Healthcare and Industrials Lead Shifting Landscape

January 15, 2026

Via MarketMinute

Protagonist Therapeutics to Participate in the 44th Annual J.P. Morgan Healthcare Conference 2026

January 07, 2026

Via ACCESS Newswire

Takeda and Protagonist Announce Submission of New Drug Application (NDA) for Rusfertide for Treatment of Polycythemia Vera (PV)

January 05, 2026

From Takeda Pharmaceutical Company Limited

Via Business Wire

Protagonist (PTGX) Earnings Call Transcript ↗

November 27, 2025

Via The Motley Fool

Protagenic Therapeutics Announces Receipt of Nasdaq Non-Compliance Notice

November 27, 2025

Via ACCESS Newswire

Protagonist Reports Third Quarter 2025 Financial Results and Provides Corporate Update

November 06, 2025

Via ACCESS Newswire

Frequently Asked Questions

Is Protagonist Therapeutics, Inc. - Common Stock publicly traded?

Yes, Protagonist Therapeutics, Inc. - Common Stock is publicly traded.

What exchange does Protagonist Therapeutics, Inc. - Common Stock trade on?

Protagonist Therapeutics, Inc. - Common Stock trades on the Nasdaq Stock Market

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

The ticker symbol for Protagonist Therapeutics, Inc. - Common Stock is PTGX on the Nasdaq Stock Market

What is the current price of Protagonist Therapeutics, Inc. - Common Stock?

The current price of Protagonist Therapeutics, Inc. - Common Stock is 98.37

When was Protagonist Therapeutics, Inc. - Common Stock last traded?

The last trade of Protagonist Therapeutics, Inc. - Common Stock was at 05/19/26 04:00 PM ET

What is the market capitalization of Protagonist Therapeutics, Inc. - Common Stock?

The market capitalization of Protagonist Therapeutics, Inc. - Common Stock is 6.16B

How many shares of Protagonist Therapeutics, Inc. - Common Stock are outstanding?

Protagonist Therapeutics, Inc. - Common Stock has 6B shares outstanding.

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