PRTA
Prothena Corp. Plc
NASDAQ · Healthcare · Biotechnology · IE
$8.58
+1.42%Price returns
Price only, unadjusted for dividends
- 1 day
- +1.4%
- 5 days
- -5.6%
- 1 month
- -9.2%
- 3 months
- -7.8%
- 6 months
- -1.2%
- Year to date
- -11.7%
- 1 year
- +4.5%
- 3 years
- -83.9%
- 5 years
- -88.7%
- 10 years
- -86.2%
Moving averages
- SMA 10 · Below
- $8.89
- Price vs SMA 10
- -5.2%
- SMA 50 · Below
- $8.90
- Price vs SMA 50
- -5.2%
- SMA 200 · Below
- $9.42
- Price vs SMA 200
- -10.5%
Relative strength
14-day RSI
- RSI 14-day
- 38.6
- RSI signal
- Neutral
Multi-period price returns, moving averages and the latest 14-day relative strength index · Data as of Jun 1, 2026