Regular Market:
$9.92-$0.17(-1.68%)Full Day:
$10.07-$0.03(-0.30%)Summary
- As of today, PRTA stock price is $9.92, with a fall of -$0.17 (-1.68%) during the most recent trading session on October 17, 2025.
- Over the past year, PRTA stock price has dropped by -$7.14 (-41.85%).
- PRTA stock price is now -87.56% below its all-time high of $79.75.
Performance
PRTA Price Chart
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Highlights
Range
Split history
Related metrics
PRTA Price Trends
| PeriodPeriod | PricePrice | S&P 500S&P 500 | NASDAQNASDAQ | Dow JonesDow Jones | XLVXLV |
|---|---|---|---|---|---|
| 1D1 Day | -1.7% | +0.6% | +0.5% | +0.6% | +0.7% |
| 1M1 Month | +23.1% | +1.0% | +1.9% | +0.4% | +4.4% |
| 3M3 Months | +53.3% | +5.8% | +8.6% | +3.9% | +8.0% |
| 6M6 Months | +7.8% | +26.2% | +39.2% | +18.1% | +5.7% |
| YTDYTD | -28.4% | +13.3% | +17.4% | +8.6% | +4.1% |
| 1Y1 Year | -41.9% | +14.1% | +23.4% | +6.9% | -6.0% |
| 5Y5 Years | -12.8% | +91.3% | +94.3% | +61.5% | +32.8% |
PRTA Price Highs & Lows
| PeriodPeriod | HighHigh | Current vs Highvs High | LowLow | Current vs Lowvs Low | |
|---|---|---|---|---|---|
| 1M | 1-Month | $10.90 | -9.0% | $8.02 | +23.7% |
| 3M | 3-Month | $10.90 | -9.0% | $6.24 | +59.0% |
| 6M | 6-Month | $10.90 | -9.0% | $4.32 | +129.6% |
| 1Y | 1-Year | $18.88 | -47.5% | $4.32 | +129.6% |
| 3Y | 3-Year | $79.65 | -87.5% | $4.32 | +129.6% |
| 5Y | 5-Year | $79.75 | -87.6% | $4.32 | +129.6% |
| All-Time | All-Time | $79.75 | -87.6% | $0.00 | >+9999.0% |
PRTA Price History
| Date | Value |
|---|---|
| 2025 | $9.92(-28.4%) |
| 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 $9.92
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 -$3.93 (-28.38%) since the beginning of the year
What is PRTA year-on-year return?
Over the past year, Prothena Corporation plc stock has returned -$7.14 (-41.85%)