As of 2026-10-05, the Relative Valuation of Protagonist Therapeutics Inc (PTGX) is 39.58 USD. This relative valuation is based on P/E multiples. With the latest stock price at 140.06 USD, the upside of Protagonist Therapeutics Inc based on Relative Valuation is -71.7%.
The range of the Relative Valuation is 32.23 - 50.15 USD.
| Range | Selected | |
| Trailing P/E multiples | 29.1x - 38.9x | 34.0x |
| Forward P/E multiples | 25.0x - 29.8x | 27.4x |
| Fair Price | 32.23 - 50.15 | 39.58 |
| Upside | -77.0% - -64.2% | -71.7% |
| Date | P/E |
| 2026-09-30 | 109.28 |
| 2026-09-29 | 109.35 |
| 2026-09-28 | 110.49 |
| 2026-09-25 | 110.04 |
| 2026-09-24 | 106.53 |
| 2026-09-23 | 107.59 |
| 2026-09-22 | 112.53 |
| 2026-09-21 | 112.46 |
| 2026-09-18 | 110.92 |
| 2026-09-17 | 111.46 |
| 2026-09-16 | 110.80 |
| 2026-09-15 | 111.23 |
| 2026-09-14 | 114.63 |
| 2026-09-11 | 114.94 |
| 2026-09-10 | 112.60 |
| 2026-09-09 | 112.54 |
| 2026-09-08 | 113.20 |
| 2026-09-04 | 113.03 |
| 2026-09-03 | 115.42 |
| 2026-09-02 | 113.31 |
| 2026-09-01 | 113.63 |
| 2026-08-31 | 114.61 |
| 2026-08-28 | 111.95 |
| 2026-08-27 | 115.96 |
| 2026-08-26 | 117.51 |
| 2026-08-25 | 116.81 |
| 2026-08-24 | 120.01 |
| 2026-08-21 | 119.70 |
| 2026-08-20 | 116.89 |
| 2026-08-19 | 120.18 |
| 2026-08-18 | 122.04 |
| 2026-08-17 | 123.04 |
| 2026-08-14 | 120.31 |
| 2026-08-13 | 117.45 |
| 2026-08-12 | 117.91 |
| 2026-08-11 | 115.02 |
| 2026-08-10 | 116.35 |
| 2026-08-07 | 113.15 |
| 2026-08-06 | 113.39 |
| 2026-08-05 | 106.51 |
| 2026-08-04 | 105.34 |
| 2026-08-03 | 102.61 |
| 2026-07-31 | 105.99 |
| 2026-07-30 | 107.54 |
| 2026-07-29 | 103.16 |
| 2026-07-28 | 106.14 |
| 2026-07-27 | 105.15 |
| 2026-07-24 | 105.58 |
| 2026-07-23 | 105.05 |
| 2026-07-22 | 105.06 |