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Protagonist Therapeutics

🇺🇸
PTGX
US74366E1029

Protagonist Therapeutics is a US-based biotech company specializing in the development of innovative peptide-based therapeutics. Through cutting-edge platforms, the company addresses complex diseases in hematology and gastroenterology, aiming to sustainably improve patient care and treatment outcomes.

Next Quarterly Earnings

Thursday, November 5, 2026
CW 45
After-Hours
In 70 days

After-hours — typically from around 10:00 p.m. German time (after the US close at 4:00 p.m. New York time).

Quiet period starts on October 8, 2026

Stock Price

Frequently asked questions

When will Protagonist Therapeutics report its next quarterly earnings?

Protagonist Therapeutics is scheduled to report its next quarterly earnings on 11/05/2026. After-hours — typically from around 10:00 p.m. German time (after the US close at 4:00 p.m. New York time).

When did Protagonist Therapeutics last report quarterly earnings?

Protagonist Therapeutics last reported quarterly earnings on 8/5/2026 (Q2 2026). Earnings per share (EPS) came in at 2.29 USD.

How often has Protagonist Therapeutics beaten expectations?

Protagonist Therapeutics has beaten analyst EPS estimates in 3 of its last 5 evaluated quarters (beat rate: 60%).

How do I add the Protagonist Therapeutics earnings dates to my calendar?

Use the 'Subscribe in calendar' button on this page to add all dates to Google Calendar, Apple Calendar or Outlook. Dates update automatically when they change.

All Dates

Q3 2026
Estimate:$1.91
Actual:
Q2 2026
Beat
Estimate:$2.24
Actual:$2.29
Difference:+$0.05
Q1 2026
Beat
Estimate:-$0.46
Actual:$0.05
Difference:+$0.51
Price reaction (1 day):+4.8 %
Price reaction (7 days):+0.8 %
Q4 2025
Missed
Estimate:-$0.33
Actual:-$0.69
Difference:-$0.36
Price reaction (1 day):+1.5 %
Price reaction (7 days):+8.9 %
Q2 2025
Beat
Estimate:-$0.64
Actual:-$0.62
Difference:+$0.02
Q1 2025
Missed
Estimate:-$0.52
Actual:-$0.55
Difference:-$0.03

Earnings statistics

Estimates vs. results

3/5
Quarters above estimates
60%
Beat rate
+1.3%
Avg. EPS surprise

Basis: 5 quarters with an analyst estimate and reported EPS.

Past price reactions are not a reliable indicator of future performance.

Company Information

Name
Protagonist Therapeutics
Ticker Symbol
PTGX
ISIN
US74366E1029
Country
🇺🇸
USA
Sector