Regular Market:
$8.16-$0.05(-0.61%)Full Day:
$8.12-$0.09(-1.10%)Summary
- As of today (September 16, 2025), PRTA stock price is $8.16, with a fall of -$0.05 (-0.61%) during the most recent trading session on September 15, 2025.
- Over the past year, PRTA stock price has dropped by -$13.73 (-62.72%).
- PRTA stock price is now -89.77% below its all-time high of $79.75.
Performance
PRTA Price Chart
Add series to chart(max: 6)
company, ETF, index, featured screener or watchlist
Highlights
Range
Split history
Related metrics
PRTA Price Trends
| PeriodPeriod | PricePrice | S&P 500S&P 500 | NASDAQNASDAQ | Dow JonesDow Jones | XLVXLV |
|---|---|---|---|---|---|
| todaytoday | -0.6% | +0.5% | +0.9% | +0.1% | -0.8% |
| 1 m1 month | -1.1% | +2.6% | +3.4% | +2.1% | +0.5% |
| 3 m3 months | +44.2% | +9.7% | +13.4% | +7.9% | +0.9% |
| 6 m6 months | -40.6% | +17.3% | +25.9% | +10.6% | -5.5% |
| ytdytd | -41.1% | +12.5% | +15.7% | +7.8% | -0.5% |
| 1 y1 year | -62.7% | +17.4% | +27.0% | +10.2% | -12.9% |
| 5 y5 years | -24.8% | +95.4% | +102.2% | +63.7% | +29.1% |
PRTA Price Highs & Lows
| PeriodPeriod | HighHigh | Current vs highvs high | LowLow | Current vs lowvs low | |
|---|---|---|---|---|---|
| 1 m | 1-month | $8.97 | -9.0% | $8.00 | +2.0% |
| 3 m | 3-month | $8.97 | -9.0% | $5.29 | +64.8% |
| 6 m | 6-month | $14.34 | -43.1% | $4.32 | +88.9% |
| 1 y | 1-year | $22.71 | -64.1% | $4.32 | +88.9% |
| 3 y | 3-year | $79.65 | -89.8% | $4.32 | +88.9% |
| 5 y | 5-year | $79.75 | -89.8% | $4.32 | +88.9% |
| alltime | all time | $79.75 | -89.8% | $0.00 | >+9999.0% |
PRTA Price History
| Date | Value |
|---|---|
| 2025 | $8.16(-41.1%) |
| 2024 | $13.85(-61.9%) |
| 2023 | $36.34(-39.7%) |
| 2022 | $60.25(+22.0%) |
| 2021 | $49.40(+311.3%) |
| 2020 | $12.01(-24.1%) |
| 2019 | $15.83(+53.7%) |
| Date | Value |
|---|---|
| 2018 | $10.30(-72.5%) |
| 2017 | $37.49(-23.8%) |
| 2016 | $49.19(-27.8%) |
| 2015 | $68.11(+228.1%) |
| 2014 | $20.76(-21.7%) |
| 2013 | $26.52(+261.8%) |
| 2012 | $7.33 |
FAQ
- What is the price of Prothena Corporation plc stock today?
- What is the all time high price for Prothena Corporation plc stock?
- What is PRTA year-to-date return?
- What is PRTA year-on-year return?
What is the price of Prothena Corporation plc stock today?
The current price of PRTA is $8.16
What is the all time high price for Prothena Corporation plc stock?
Prothena Corporation plc stock all-time high price is $79.75
What is PRTA year-to-date return?
Prothena Corporation plc stock has returned -$5.69 (-41.08%) since the beginning of the year
What is PRTA year-on-year return?
Over the past year, Prothena Corporation plc stock has returned -$13.73 (-62.72%)