83.08
price up icon0.95%   0.78
after-market After Hours: 83.08
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Protagonist Therapeutics Inc stock is traded at $83.08, with a volume of 507.52K. It is up +0.95% in the last 24 hours and down -6.42% over the past month. Protagonist Therapeutics Inc is a clinical-stage biopharmaceutical company having a proprietary technology platform that enables the discovery and development of novel constrained peptide-based drug candidates to address medical needs. Its pipeline products include Rusfertide (PTG-300) and JNJ-2113.
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Previous Close:
$82.30
Open:
$82
24h Volume:
507.52K
Relative Volume:
0.58
Market Cap:
$5.19B
Revenue:
$209.18M
Net Income/Loss:
$52.04M
P/E Ratio:
116.60
EPS:
0.7125
Net Cash Flow:
$37.10M
1W Performance:
-0.41%
1M Performance:
-6.42%
6M Performance:
+50.64%
1Y Performance:
+116.58%
1-Day Range:
Value
$82.00
$83.87
1-Week Range:
Value
$80.27
$85.50
52-Week Range:
Value
$33.70
$96.54

Protagonist Therapeutics Inc Stock (PTGX) Company Profile

Name
Name
Protagonist Therapeutics Inc
Name
Phone
(510) 474-0170
Name
Address
7707 GATEWAY BLVD., SUITE 140, NEWARK, CA
Name
Employee
128
Name
Twitter
Name
Next Earnings Date
2025-05-02
Name
Latest SEC Filings
Name
PTGX's Discussions on Twitter

Compare PTGX with other stocks

Stocks Price Market Cap Revenue Net Income Cash Flow EPS
Biotechnology icon
PTGX
Protagonist Therapeutics Inc
83.08 5.15B 209.18M 52.04M 37.10M 0.7125
Biotechnology icon
VRTX
Vertex Pharmaceuticals Inc
474.17 120.98B 11.74B 3.68B 3.34B 14.19
Biotechnology icon
REGN
Regeneron Pharmaceuticals Inc
771.25 80.15B 14.25B 4.58B 3.88B 41.77
Biotechnology icon
ARGX
Argen X Se Adr
864.42 51.56B 3.06B 1.28B 447.35M 19.67
Biotechnology icon
ALNY
Alnylam Pharmaceuticals Inc
354.75 47.74B 3.21B 43.57M 221.36M 0.2405
Biotechnology icon
ONC
Beone Medicines Ltd Adr
336.16 37.38B 4.98B 69.59M 525.67M 0.5197

Protagonist Therapeutics Inc Stock (PTGX) Upgrades & Downgrades

Date Action Analyst Rating Change
Sep-17-25 Initiated Barclays Overweight
Sep-12-25 Initiated Leerink Partners Outperform
Jun-17-25 Initiated Citigroup Buy
Dec-06-24 Initiated BMO Capital Markets Outperform
Dec-06-24 Initiated Goldman Neutral
Nov-05-24 Initiated Wedbush Outperform
Sep-24-24 Initiated TD Cowen Buy
Sep-09-24 Initiated Truist Buy
Oct-30-23 Initiated CapitalOne Overweight
May-25-23 Resumed Jefferies Buy
Aug-25-22 Initiated JMP Securities Mkt Outperform
Feb-11-22 Initiated BTIG Research Buy
Oct-12-21 Upgrade JP Morgan Neutral → Overweight
Oct-11-21 Upgrade Northland Capital Market Perform → Outperform
Sep-20-21 Downgrade JP Morgan Overweight → Neutral
May-24-21 Initiated JMP Securities Mkt Outperform
May-24-21 Initiated Northland Capital Outperform
Jan-06-21 Initiated JP Morgan Overweight
Dec-16-20 Initiated Piper Sandler Overweight
Sep-18-20 Reiterated H.C. Wainwright Buy
Jul-15-20 Initiated Jefferies Buy
May-18-20 Reiterated H.C. Wainwright Buy
Jul-08-19 Initiated H.C. Wainwright Buy
May-09-19 Upgrade Stifel Hold → Buy
Dec-06-18 Initiated Nomura Buy
Jan-29-18 Initiated Stifel Buy
Jul-21-17 Initiated BTIG Research Buy
View All

Protagonist Therapeutics Inc Stock (PTGX) Latest News

pulisher
06:55 AM

VIX Spike: Can Protagonist Therapeutics Inc weather a recessionStop Loss & Fast Exit and Entry Trade Guides - baoquankhu1.vn

06:55 AM
pulisher
06:05 AM

Universal Beteiligungs und Servicegesellschaft mbH Raises Stock Position in Protagonist Therapeutics, Inc. $PTGX - MarketBeat

06:05 AM
pulisher
Jan 25, 2026

Protagonist Therapeutics, Inc. (NASDAQ:PTGX) Given Consensus Recommendation of "Moderate Buy" by Analysts - MarketBeat

Jan 25, 2026
pulisher
Jan 24, 2026

Technical Reactions to PTGX Trends in Macro Strategies - Stock Traders Daily

Jan 24, 2026
pulisher
Jan 24, 2026

Have Insiders Sold Protagonist Therapeutics Shares Recently? - Sahm

Jan 24, 2026
pulisher
Jan 23, 2026

Earnings Risk: Will Protagonist Therapeutics Inc benefit from AI trendsAnalyst Downgrade & Daily Market Momentum Tracking - baoquankhu1.vn

Jan 23, 2026
pulisher
Jan 23, 2026

Protagonist Announces Icotrokinra Phase 2b ANTHEM-UC Trial Data to be Presented at the United European Gastroenterology Week Berlin 2025 - citizen-times.com

Jan 23, 2026
pulisher
Jan 23, 2026

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

Jan 23, 2026
pulisher
Jan 22, 2026

Analysts Are Bullish on These Healthcare Stocks: Protagonist Therapeutics (PTGX), CG Oncology, Inc. (CGON) - The Globe and Mail

Jan 22, 2026
pulisher
Jan 21, 2026

Protagonist therapeutics CMO Molina sells $784k in shares By Investing.com - Investing.com Canada

Jan 21, 2026
pulisher
Jan 21, 2026

Protagonist therapeutics CEO Patel sells $2.84 million in shares By Investing.com - Investing.com India

Jan 21, 2026
pulisher
Jan 21, 2026

Asif Ali Sells 8,588 Shares of Protagonist Therapeutics (NASDAQ:PTGX) Stock - MarketBeat

Jan 21, 2026
pulisher
Jan 21, 2026

Protagonist Therapeutics (NASDAQ:PTGX) Insider Arturo Md Molina Sells 9,514 Shares - MarketBeat

Jan 21, 2026
pulisher
Jan 21, 2026

Protagonist Therapeutics (NASDAQ:PTGX) CEO Sells $2,840,446.24 in Stock - MarketBeat

Jan 21, 2026
pulisher
Jan 21, 2026

Protagonist therapeutics CEO Patel sells $2.84 million in shares - Investing.com

Jan 21, 2026
pulisher
Jan 21, 2026

Protagonist Therapeutics Executives Sell Shares to Cover Tax Obligations - TradingView

Jan 21, 2026
pulisher
Jan 19, 2026

US Market Wrap: Is Protagonist Therapeutics Inc trading at a discount2025 Bull vs Bear & Free Community Consensus Stock Picks - baoquankhu1.vn

Jan 19, 2026
pulisher
Jan 17, 2026

Protagonist Therapeutics to Participate in Multiple Investment Bank Conferences in September 2025 - FinancialContent

Jan 17, 2026
pulisher
Jan 17, 2026

Earnings Report: Is Protagonist Therapeutics Inc stock good for income investorsQuarterly Investment Review & AI Based Buy and Sell Signals - baoquankhu1.vn

Jan 17, 2026
pulisher
Jan 17, 2026

H.C. Wainwright Sticks to Their Buy Rating for Protagonist Therapeutics (PTGX) - The Globe and Mail

Jan 17, 2026
pulisher
Jan 15, 2026

Aug Macro: Can Protagonist Therapeutics Inc expand into new marketsM&A Rumor & Weekly Momentum Picks - baoquankhu1.vn

Jan 15, 2026
pulisher
Jan 15, 2026

Aug Action: Is BIOX a strong growth stockWeekly Trend Report & Verified Stock Trade Ideas - baoquankhu1.vn

Jan 15, 2026
pulisher
Jan 14, 2026

Risk On: Should I add GPUS stock to my portfolio2025 EndofYear Setup & Weekly High Potential Stock Alerts - baoquankhu1.vn

Jan 14, 2026
pulisher
Jan 14, 2026

Protagonist Announces Submission of NDA for First Icotrokinra U.S. FDA Approval Aiming to Revolutionize Treatment Paradigm for Adults and Adolescents with Plaque Psoriasis - news-journalonline.com

Jan 14, 2026
pulisher
Jan 14, 2026

With Two Partnered Launches Expected In 2026, Protagonist Looks To Next Chapter - Citeline News & Insights

Jan 14, 2026
pulisher
Jan 14, 2026

SG Americas Securities LLC Grows Stock Holdings in Protagonist Therapeutics, Inc. $PTGX - MarketBeat

Jan 14, 2026
pulisher
Jan 13, 2026

Market Fear: Can Protagonist Therapeutics Inc sustain its profitabilityPortfolio Value Summary & Free Technical Pattern Based Buy Signals - baoquankhu1.vn

Jan 13, 2026
pulisher
Jan 13, 2026

Trading the Move, Not the Narrative: (PTGX) Edition - Stock Traders Daily

Jan 13, 2026
pulisher
Jan 13, 2026

Protagonist Therapeutics, Inc. (NASDAQ:PTGX) Stock's Been Sliding But Fundamentals Look Decent: Will The Market Correct The Share Price In The Future? - 富途资讯

Jan 13, 2026
pulisher
Jan 13, 2026

Day Trade: Can Protagonist Therapeutics Inc expand into new marketsJuly 2025 Sector Moves & Intraday High Probability Setup Alerts - baoquankhu1.vn

Jan 13, 2026
pulisher
Jan 12, 2026

Fundamentals Check: Is Protagonist Therapeutics Inc stock a falling knife or bargain buyShare Buyback & Stepwise Trade Signal Implementation - baoquankhu1.vn

Jan 12, 2026
pulisher
Jan 12, 2026

Protagonist Therapeutics, Inc Updates on Clinical Developments and Collaborations - TradingView — Track All Markets

Jan 12, 2026
pulisher
Jan 10, 2026

Protagonist Therapeutics Announces Oral and Poster Presentations on Rusfertide at the 67th Annual ASH Meeting - greenvilleonline.com

Jan 10, 2026
pulisher
Jan 08, 2026

Is Protagonist Therapeutics Inc. stock overvalued by current metricsWeekly Risk Report & Verified Momentum Watchlists - ulpravda.ru

Jan 08, 2026
pulisher
Jan 08, 2026

Is Protagonist Therapeutics Inc. stock a contrarian buy2025 Investor Takeaways & Reliable Entry Point Alerts - Улправда

Jan 08, 2026
pulisher
Jan 08, 2026

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

Jan 08, 2026
pulisher
Jan 08, 2026

Can Protagonist Therapeutics Inc. stock rebound after recent weaknessWatch List & AI Driven Stock Reports - Улправда

Jan 08, 2026
pulisher
Jan 08, 2026

History Review: How Protagonist Therapeutics Inc. stock benefits from strong dollarJuly 2025 Snapshot & Daily Volume Surge Signals - Улправда

Jan 08, 2026
pulisher
Jan 08, 2026

Will Protagonist Therapeutics Inc. stock remain a Wall Street favoriteJuly 2025 Chart Watch & Accurate Intraday Trade Tips - Улправда

Jan 08, 2026
pulisher
Jan 07, 2026

Is It Too Late To Consider Protagonist Therapeutics (PTGX) After Its 119% One-Year Surge? - Yahoo Finance

Jan 07, 2026
pulisher
Jan 06, 2026

Protagonist Therapeutics Advances Pipeline Amid Financial Loss - MSN

Jan 06, 2026
pulisher
Jan 06, 2026

Protagonist Therapeutics, Inc. (PTGX) Stock Analysis: Exploring a 14.44% Potential Upside in the Biotech Sector - DirectorsTalk Interviews

Jan 06, 2026
pulisher
Jan 06, 2026

Protagonist (PTGX) Stock Pre-Market (-6.4%): NDA Submission For Rusfertide Triggers Sell-The-News - Trefis

Jan 06, 2026
pulisher
Jan 06, 2026

Protagonist Therapeutics (PTGX) Target Price Raised by Truist Se - GuruFocus

Jan 06, 2026
pulisher
Jan 05, 2026

Truist raises Protagonist Therapeutics stock price target to $110 on pivotal year ahead - Investing.com Canada

Jan 05, 2026

Protagonist Therapeutics Inc Stock (PTGX) Financials Data

Revenue

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Net Income

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Cash Flow

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EPS

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$99.82
price up icon 2.09%
$103.47
price up icon 0.87%
$34.40
price up icon 2.78%
$119.34
price up icon 1.14%
$162.64
price up icon 1.83%
biotechnology ONC
$336.16
price down icon 0.48%
Cap:     |  Volume (24h):