PTGX
Protagonist Therapeutics
$145.16
+$0.07 (+0.05%)Sep 10, 2026
Key metrics
The numbers that frame PTGX today
- Market cap
- $9.39B
- P/E (TTM)
- 113.3
- EV / FCF
- 68.8
- Gross margin
- 100%
- EV / Sales
- 31.9
- ROIC
- 17.1%
- Div yield
- 0%
- Debt / equity
- 0.0
- 52wk Low
- $57.13
- 52wk High
- $160.81
Growth
Revenue and earnings trend for PTGX
RevenueNet income
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Revenue and earnings trends, margins and the multi-year trajectory - free with an account.
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Already a member? Log inCash flow & returns
Free cash flow and financial health
Free cash flowNet debt
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Free cash flow detail, returns on capital and the balance-sheet trend - free with an account.
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Recent insider buying and selling activity
PurchasesSales
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Already a member? Log inFrequently asked questions
Plain-English answers about PTGX
Is Protagonist Therapeutics a good buy?
Yes. Protagonist Therapeutics has strong quality and excellent momentum. Both signals support the setup. Growth looks excellent, which supports the long-term business case. We think Protagonist Therapeutics is selling at a high price, which cuts against the buy case.
What is the market capitalization of PTGX?
Protagonist Therapeutics's market capitalization is $9.39B.
What is the P/E ratio for PTGX stock?
Protagonist Therapeutics's current P/E ratio is 113.3.
What is the 52-week high for PTGX stock?
The 52-week high for Protagonist Therapeutics is $160.81. The current close of $145.16 is 9.7% below that high.
What is the 52-week low for PTGX stock?
The 52-week low for Protagonist Therapeutics is $57.13. The current close of $145.16 is 154.1% above that low.
Does PTGX stock pay dividends?
Protagonist Therapeutics does not currently show a dividend per share in the company data.
What is the Debt / Equity ratio for PTGX?
Protagonist Therapeutics's Debt / Equity ratio is 0.01.