As of 2026-09-16, the EV/EBITDA ratio of Paratek Pharmaceuticals Inc (PRTK) is -7.74. EV/EBITDA ratio is calculated by dividing the enterprise value by the TTM EBITDA. PRTK's latest enterprise value is 343.47 mil USD. PRTK's TTM EBITDA according to its financial statements is -44.39 mil USD. Dividing these 2 quantities gives us the above PRTK EV/EBITDA ratio.
Note: valuation result may not be accurate due to the company's negative EBITDA.
| Range | Selected | |
| Trailing P/E multiples | 7.7x - 12.5x | 8.2x |
| Forward P/E multiples | 10.3x - 15.0x | 12.7x |
| Fair Price | (11.72) - (13.47) | (11.83) |
| Upside | -625.7% - -704.1% | -630.7% |
| Date | EV/EBITDA |