Protagonist Therapeutics, Inc. (PTGX)
NASDAQ: PTGX · Real-Time Price · USD
137.99
+3.55 (2.64%)
At close: Oct 20, 2026, 4:00 PM EDT
139.94
+1.95 (1.41%)
After-hours: Oct 20, 2026, 7:44 PM EDT
Protagonist Therapeutics Market Cap
Protagonist Therapeutics has a market cap or net worth of $8.93 billion as of October 20, 2026. It is the 2,339th most valuable company in the world and the 819th biggest in the United States. Its market cap has increased by 85.20% in one year.
Market Cap
8.93B
Enterprise Value
8.09B
1-Year Change
85.20%
Global Rank
Country Rank
#819 United States
Category
ChartMarket Cap Chart
Since August 11, 2016, Protagonist Therapeutics's market cap has increased from $171.50M to $8.93B, an increase of 5,106.47%. That is a compound annual growth rate of 47.34%.
| Date | Market Cap | % Change |
|---|---|---|
| Oct 20, 2026 | 8.93B | 63.53% |
| Dec 31, 2025 | 5.46B | 137.34% |
| Dec 31, 2024 | 2.30B | 73.94% |
| Dec 29, 2023 | 1.32B | 146.39% |
| Dec 30, 2022 | 536.80M | -67.11% |
| Dec 31, 2021 | 1.63B | 111.63% |
| Dec 31, 2020 | 771.30M | 302.14% |
| Dec 31, 2019 | 191.80M | 17.81% |
| Dec 31, 2018 | 162.80M | -61.78% |
| Dec 29, 2017 | 426.00M | 15.89% |
| Dec 30, 2016 | 367.60M | 114.34% |
| Aug 11, 2016 | 171.50M | - |
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Market Capitalization
Market capitalization, also called net worth, is the total value of all of a company's outstanding shares. It is calculated by multiplying the stock price by the number of shares outstanding.
Formula: Market Cap = Stock Price * Shares Outstanding
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