As of 2024-12-13, the EV/EBITDA ratio of Prothena Corporation PLC (PRTA) is -1.34. EV/EBITDA ratio is calculated by dividing the enterprise value by the TTM EBITDA. PRTA's latest enterprise value is 223.85 mil USD. PRTA's TTM EBITDA according to its financial statements is -167.68 mil USD. Dividing these 2 quantities gives us the above PRTA EV/EBITDA ratio.
Note: valuation result may not be accurate due to the company's negative EBITDA.
| Range | Selected | |
| Trailing P/E multiples | 8.1x - 13.7x | 10.1x |
| Forward P/E multiples | 9.3x - 16.4x | 11.6x |
| Fair Price | (19.27) - (32.92) | (24.16) |
| Upside | -239.5% - -338.4% | -274.9% |
| Date | EV/EBITDA |
| 2024-11-29 | -2.11 |
| 2024-11-27 | -2.00 |
| 2024-11-26 | -1.90 |
| 2024-11-25 | -1.74 |
| 2024-11-22 | -1.59 |
| 2024-11-21 | -1.54 |
| 2024-11-20 | -1.52 |
| 2024-11-19 | -1.41 |
| 2024-11-18 | -1.24 |
| 2024-11-15 | -1.40 |
| 2024-11-14 | -2.07 |
| 2024-11-13 | -2.43 |
| 2024-11-12 | -2.47 |
| 2024-11-11 | -2.71 |
| 2024-11-08 | -2.58 |
| 2024-11-07 | -2.52 |
| 2024-11-06 | -2.79 |
| 2024-11-05 | -2.32 |
| 2024-11-04 | -2.19 |
| 2024-11-01 | -2.25 |
| 2024-10-31 | -2.36 |
| 2024-10-30 | -2.71 |
| 2024-10-29 | -2.77 |
| 2024-10-28 | -2.55 |
| 2024-10-25 | -1.81 |
| 2024-10-24 | -2.12 |
| 2024-10-23 | -2.23 |
| 2024-10-22 | -2.21 |
| 2024-10-21 | -2.20 |
| 2024-10-18 | -2.39 |
| 2024-10-17 | -2.38 |
| 2024-10-16 | -2.40 |
| 2024-10-15 | -2.33 |
| 2024-10-14 | -2.46 |
| 2024-10-11 | -2.43 |
| 2024-10-10 | -2.29 |
| 2024-10-09 | -2.18 |
| 2024-10-08 | -2.26 |
| 2024-10-07 | -2.23 |
| 2024-10-04 | -2.31 |
| 2024-10-03 | -2.29 |
| 2024-10-02 | -2.26 |
| 2024-10-01 | -2.25 |
| 2024-09-30 | -2.27 |
| 2024-09-27 | -3.34 |
| 2024-09-26 | -3.37 |
| 2024-09-25 | -3.46 |
| 2024-09-24 | -3.97 |
| 2024-09-23 | -3.96 |
| 2024-09-20 | -3.84 |