Protagonist (PTGX) | Stock Price History & Returns | 2016 - 2025
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Protagonist Historical Price Chart
Protagonist Historical Price Table
| Date | Close | Change % | Open | High | Low | Volume |
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| Date | Close | Change % | Open | High | Low | Volume |
|---|---|---|---|---|---|---|
| Date | Close | Change % | Open | High | Low | Volume |
|---|---|---|---|---|---|---|
| Date | Close | Change % | Open | High | Low | Volume |
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How Protagonist Performed Against the Market & Sector
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Protagonist Stock Price Returns By Period
Comparative Returns (%)
| Color indicator | Stock | 1Y | 3Y | 5Y | 10Y | 15Y | 20Y |
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Calculate Your Protagonist Investment Returns
See how much an investment in Protagonist would have grown over time.
Note: Calculations are based on stock price returns only and do not include dividends or account for inflation, taxes, or trading fees.
Frequently Asked Questions
- How has Protagonist (PTGX) stock performed during last 12 months?
- What is Protagonist's (PTGX) total stock return over the past 5 years?
- How does Protagonist's Stock 10-year annualized return compare to the Healthcare sector?
- What was Protagonist's best-performing year historically?
- What is the longest period of consecutive yearly growth Protagonist has achieved historically?
For more common questions about our data, please visit our About Data page.
Data is provided for informational purposes only. Devyara does not guarantee the accuracy of the data displayed.