PRTA
Prothena Corp. Plc
NASDAQ · Healthcare · Biotechnology · IE
$8.39
+2.19%Forward multiples
Based on analyst estimates
- P/E forward
- —
- P/E 2026E
- 70.59x
- P/E 2027E
- —
- P/E 2028E
- —
- P/S forward
- 14.94x
Trailing multiples
Trailing twelve months
- P/E TTM
- —
- PEG TTM
- —
- Price / book
- 1.50x
- Price / sales
- 7.90x
- Price / cash flow
- -7.17x
Enterprise value
- Enterprise value
- $149.5M
- EV / sales
- 2.74x
- EV / EBITDA
- -3.49x
- EV / EBIT
- -2.38x
- Market cap
- $430.7M
Trailing, forward and enterprise-value multiples for the requested listing · Data as of Jun 1, 2026