PRTA
Prothena Corporation plc
NASDAQ · Healthcare · Biotechnology · IE
$9.82
+2.29%Price returns
Price only, unadjusted for dividends
- 1 day
- +2.3%
- 5 days
- +4.0%
- 1 month
- +14.3%
- 3 months
- +10.4%
- 6 months
- +2.5%
- Year to date
- +1.6%
- 1 year
- +13.5%
- 3 years
- -82.2%
- 5 years
- -86.5%
- 10 years
- -82.2%
Moving averages
- SMA 10 · Above
- $9.44
- Price vs SMA 10
- +2.7%
- SMA 50 · Above
- $9.07
- Price vs SMA 50
- +7.0%
- SMA 200 · Above
- $9.49
- Price vs SMA 200
- +2.2%
Relative strength
14-day RSI
- RSI 14-day
- 61.5
- RSI signal
- Neutral
Multi-period price returns, moving averages and the latest 14-day relative strength index · Data as of Jun 1, 2026