PRTA (Prothena Corporation plc) historical data
STOCKListed1-minute bars
| Symbol | PRTA |
|---|---|
| Name | Prothena Corporation plc |
| Exchange | NASDAQ |
| Sector | Healthcare |
| Industry | Biotechnology |
| IPO date | 2012-12-20 |
| History | 2012-12-24 to 2026-10-09 (about 14 years) |
| Bar sizes | Daily, hourly, 5-minute and 1-minute |
| Adjustments | Unadjusted, split-adjusted or split-and-dividend-adjusted, chosen on read |
| Survivorship | Included in the survivorship-free universe |
| Free tier | Last 12 months of daily bars |
Price history at a glance
PRTA last closed at $8.84 on 2026-10-09, -14.2% over the past year and -87.6% over five years. Its deepest fall from a prior high in this history was -94.2%, reached on 2025-05-27.
| Last close | $8.84 (2026-10-09) |
|---|---|
| 1-year change | -14.2% |
| 5-year change | -87.6% |
| Annualized since 2012-12-24 | +1.9% |
| 52-week range | $7.91 – $11.51 |
| Deepest drawdown | -94.2% (2025-05-27) |
| Avg. daily dollar volume (3 months) | $4.3m |
| Daily bars in history | 3,468 |
Split- and dividend-adjusted closes. Computed by FinzData from its own daily bars.
Get it in Python
import finzdata as yf
df = yf.Ticker("PRTA").history(start="2012-12-24", interval="1d")
df.tail()