As of 2025-09-18, the Relative Valuation of Protagonist Therapeutics Inc (PTGX) is 20.75 USD. This relative valuation is based on P/E multiples. With the latest stock price at 59.22 USD, the upside of Protagonist Therapeutics Inc based on Relative Valuation is -65.0%.
The range of the Relative Valuation is 13.03 - 32.17 USD.
| Range | Selected | |
| Trailing P/E multiples | 15.6x - 20.6x | 18.1x |
| Forward P/E multiples | 17.0x - 26.6x | 21.8x |
| Fair Price | 13.03 - 32.17 | 20.75 |
| Upside | -78.0% - -45.7% | -65.0% |
| Date | P/E |
| 2025-09-12 | 70.37 |
| 2025-09-11 | 71.35 |
| 2025-09-10 | 69.03 |
| 2025-09-09 | 69.77 |
| 2025-09-08 | 67.17 |
| 2025-09-05 | 72.36 |
| 2025-09-04 | 71.25 |
| 2025-09-03 | 69.47 |
| 2025-09-02 | 70.35 |
| 2025-08-29 | 70.59 |
| 2025-08-28 | 69.50 |
| 2025-08-27 | 73.44 |
| 2025-08-26 | 68.13 |
| 2025-08-25 | 68.00 |
| 2025-08-22 | 68.72 |
| 2025-08-21 | 66.99 |
| 2025-08-20 | 67.22 |
| 2025-08-19 | 67.25 |
| 2025-08-18 | 67.20 |
| 2025-08-15 | 67.03 |
| 2025-08-14 | 65.74 |
| 2025-08-13 | 67.81 |
| 2025-08-12 | 65.19 |
| 2025-08-11 | 64.26 |
| 2025-08-08 | 61.05 |
| 2025-08-07 | 60.92 |
| 2025-08-06 | 64.39 |
| 2025-08-05 | 64.44 |
| 2025-08-04 | 64.35 |
| 2025-08-01 | 64.35 |
| 2025-07-31 | 64.39 |
| 2025-07-30 | 65.30 |
| 2025-07-29 | 65.76 |
| 2025-07-28 | 67.26 |
| 2025-07-25 | 65.93 |
| 2025-07-24 | 64.24 |
| 2025-07-23 | 64.78 |
| 2025-07-22 | 65.74 |
| 2025-07-21 | 66.01 |
| 2025-07-18 | 66.32 |
| 2025-07-17 | 67.47 |
| 2025-07-16 | 67.71 |
| 2025-07-15 | 66.13 |
| 2025-07-14 | 66.03 |
| 2025-07-11 | 63.36 |
| 2025-07-10 | 63.15 |
| 2025-07-09 | 62.51 |
| 2025-07-08 | 59.41 |
| 2025-07-07 | 59.62 |
| 2025-07-03 | 61.03 |