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Protagonist Therapeutics, Inc. (PTGX)

Healthcare | Biotechnology | Newark, United States | NasdaqGM
105.98 USD +2.25 (2.169%) ⇧ (April 17, 2026, 4 p.m. EDT)
After hours: 105.98

Short-term: ★★★☆☆ | Long-term: ★★☆☆☆ | Dividends: ☆☆☆☆☆
Hot Take | April 11, 2026, 4:01 p.m. EDT

Protagonist Therapeutics (PTGX) shows a recent price rally with a strong upward trend in the short term, but the fundamental data indicates a high overall risk and negative profit margins. The stock has been trading near its 52-week high, which may indicate a potential overvaluation. The lack of dividend history and negative earnings suggest that this stock is not suitable for long-term investors. Short-term traders might consider the recent price movements and options activity to identify potential momentum or dip-buy opportunities, but the overall risk profile and mixed options sentiment suggest caution.

Model Selection — Backtest MAE (log-scale, lower is better)
ModelMAE
AutoARIMA ✓0.113480
MSTL0.120638
AutoETS0.121142
AutoTheta0.125680

Forecast horizon: 45 days | Selected: AutoARIMA

Forecast Reliability
Score 41%
H-stat 56.69
Ljung-Box p 0.000
Jarque-Bera p 0.112
Excess Kurtosis -1.44
Attribute Value
Sector Healthcare
Debt to Equity Ratio 1.679
Revenue per Share 0.724
Market Cap 6,762,447,872
Forward P/E -244.06
Beta 2.11
Profit Margins -282.83%
Website https://www.protagonist-inc.com

As of April 11, 2026, 4:01 p.m. EDT: The options activity suggests a mixed sentiment. Calls and puts show varying levels of interest, with a notable presence of both in-the-money and out-of-the-money positions. The ATM IV is relatively high across expirations, indicating uncertainty or volatility expectations. The presence of significant OI in both calls and puts at strikes near the current price suggests a potential for price movement, either upward or downward. However, the overall low volume and mixed positioning suggest a lack of consensus among speculators.


Info Dump

Attribute Value
52 Week Change 1.2648473
Address1 7,707 Gateway Boulevard
Address2 Suite 140
All Time High 107.84
All Time Low 4.47
Ask 106.4
Ask Size 1
Audit Risk 8
Average Analyst Rating 1.4 - Strong Buy
Average Daily Volume10 Day 713,750
Average Daily Volume3 Month 780,083
Average Volume 780,083
Average Volume10Days 713,750
Beta 2.114
Bid 105.54
Bid Size 1
Board Risk 7
Book Value 9.823
City Newark
Compensation As Of Epoch Date 1,735,603,200
Compensation Risk 8
Country United States
Crypto Tradeable 0
Currency USD
Current Price 105.98
Current Ratio 12.71
Custom Price Alert Confidence HIGH
Date Short Interest 1,774,915,200
Day High 106.9003
Day Low 103.51
Debt To Equity 1.679
Display Name Protagonist Therapeutics
Earnings Timestamp 1,772,053,200
Earnings Timestamp End 1,778,097,600
Earnings Timestamp Start 1,778,097,600
Ebitda -156,847,008
Ebitda Margins 0.0
Enterprise To Ebitda -39.563
Enterprise To Revenue 134.853
Enterprise Value 6,205,406,720
Eps Current Year 2.77382
Eps Forward -0.43423
Eps Trailing Twelve Months -2.05
Esg Populated 0
Exchange NGM
Exchange Data Delayed By 0
Exchange Timezone Name America/New_York
Exchange Timezone Short Name EDT
Fifty Day Average 94.1815
Fifty Day Average Change 11.7985
Fifty Day Average Change Percent 0.12527406
Fifty Two Week Change Percent 126.484726
Fifty Two Week High 107.84
Fifty Two Week High Change -1.859993
Fifty Two Week High Change Percent -0.01724771
Fifty Two Week Low 41.285
Fifty Two Week Low Change 64.69501
Fifty Two Week Low Change Percent 1.5670342
Fifty Two Week Range 41.285 - 107.84
Financial Currency USD
First Trade Date Milliseconds 1,470,922,200,000
Float Shares 51,944,761
Forward Eps -0.43423
Forward P E -244.06421
Free Cashflow 105,622,624
Full Exchange Name NasdaqGM
Full Time Employees 132
Gmt Off Set Milliseconds -14,400,000
Governance Epoch Date 1,775,001,600
Gross Margins 1.0
Gross Profits 46,016,000
Has Pre Post Market Data 1
Held Percent Insiders 0.012250001
Held Percent Institutions 1.1364399
Implied Shares Outstanding 63,808,716
Industry Biotechnology
Industry Disp Biotechnology
Industry Key biotechnology
Is Earnings Date Estimate 1
Language en-US
Last Fiscal Year End 1,767,139,200
Long Business Summary Protagonist Therapeutics, Inc. operates as a discovery and development company in the United States. It develops Icotyde, a first-in-class investigational targeted oral peptide for the treatment of adults and pediatric patients 12 years of age and older with moderate-to-severe plaque psoriasis; and Rusfertide, a first-in-class investigational injectable mimetic of the natural hormone hepcidin in Phase 3 development for the treatment of the rare blood disorder polycythemia vera. The company is also developing PN-881, a potential best-in-class oral peptide IL-17 antagonist, for the treatment of immune-mediated skin diseases in Phase 1 clinical trials; PN-477 and PN-458, which are development candidates for the treatment of obesity; PN-8047, an orally administered hepcidin functional mimetic small molecule; L-4R alpha antagonist for the treatment of atopic dermatitis and moderate-to-severe asthma; and amylinR-based oral and subcutaneous mono- and poly-agonists for the treatment of obesity. Protagonist Therapeutics, Inc. was incorporated in 2006 and is headquartered in Newark, California.
Long Name Protagonist Therapeutics, Inc.
Market us_market
Market Cap 6,762,447,872
Market State CLOSED
Max Age 86,400
Message Board Id finmb_129263324
Most Recent Quarter 1,767,139,200
Net Income To Common -130,149,000
Next Fiscal Year End 1,798,675,200
Non Diluted Market Cap 6,762,447,721
Number Of Analyst Opinions 12
Open 105.57
Operating Cashflow 57,671,000
Operating Margins -6.77088
Overall Risk 8
Payout Ratio 0.0
Phone 510 474 0170
Post Market Change 0.0
Post Market Change Percent 0.0
Post Market Price 105.98
Post Market Time 1,776,458,967
Previous Close 103.73
Price Eps Current Year 38.20724
Price Hint 2
Price To Book 10.788965
Price To Sales Trailing12 Months 146.95862
Profit Margins -2.82834
Quick Ratio 12.585
Quote Source Name Nasdaq Real Time Price
Quote Type EQUITY
Recommendation Key strong_buy
Recommendation Mean 1.41667
Region US
Regular Market Change 2.25
Regular Market Change Percent 2.16909
Regular Market Day High 106.9003
Regular Market Day Low 103.51
Regular Market Day Range 103.51 - 106.9003
Regular Market Open 105.57
Regular Market Previous Close 103.73
Regular Market Price 105.98
Regular Market Time 1,776,456,000
Regular Market Volume 987,505
Return On Assets -0.13989
Return On Equity -0.20177999
Revenue Growth -0.956
Revenue Per Share 0.724
Sand P52 Week Change 0.36506534
Sector Healthcare
Sector Disp Healthcare
Sector Key healthcare
Share Holder Rights Risk 7
Shares Outstanding 63,808,716
Shares Percent Shares Out 0.13520001
Shares Short 8,626,880
Shares Short Previous Month Date 1,772,150,400
Shares Short Prior Month 8,192,998
Short Name Protagonist Therapeutics, Inc.
Short Percent Of Float 0.16129999
Short Ratio 8.93
Source Interval 15
State CA
Symbol PTGX
Target High Price 125.0
Target Low Price 97.0
Target Mean Price 113.33333
Target Median Price 114.5
Total Cash 567,363,968
Total Cash Per Share 8.892
Total Debt 10,323,000
Total Revenue 46,016,000
Tradeable 0
Trailing Annual Dividend Rate 0.0
Trailing Annual Dividend Yield 0.0
Trailing Eps -2.05
Trailing Peg Ratio None
Triggerable 1
Two Hundred Day Average 77.0378
Two Hundred Day Average Change 28.9422
Two Hundred Day Average Change Percent 0.37568828
Type Disp Equity
Volume 987,505
Website https://www.protagonist-inc.com
Zip 94,560