PRTA
Prothena Corp. Plc
NASDAQ · Healthcare · Biotechnology · IE
$8.48
+1.56%Price returns
Price only, unadjusted for dividends
- 1 day
- +1.6%
- 5 days
- -0.5%
- 1 month
- -1.4%
- 3 months
- -3.2%
- 6 months
- -22.2%
- Year to date
- -12.1%
- 1 year
- -19.1%
- 3 years
- -80.8%
- 5 years
- -86.0%
- 10 years
- -84.8%
Moving averages
- SMA 10 · Below
- $8.43
- Price vs SMA 10
- -0.5%
- SMA 50 · Below
- $8.86
- Price vs SMA 50
- -5.3%
- SMA 200 · Below
- $9.26
- Price vs SMA 200
- -9.4%
Relative strength
14-day RSI
- RSI 14-day
- 46.3
- RSI signal
- Neutral
Multi-period price returns, moving averages and the latest 14-day relative strength index · Data as of Jun 1, 2026