Prothena Corporation plc
PRTANASDAQHealthcare● Active
$8.56
$-0.23(-2.62%)
Market Cap$448143709
P/E Ratio—
52W High$11.8
52W Low$4.95
Prothena Corporation plc（PRTA）股票价格历史
关键价位里程碑、OHLCV 表、年度回报、同业与 What If。
prta · 日线历史（复权）· FMP · 截至 2026年6月8日
5-Year High5Y
$79.75
Sep 27, 2021
-89.3% from here
5-Year Low5Y
$4.32
May 28, 2025
+98.1% from low
IPO Priceadj.
$7.20
Dec 18, 2012
+18.9% since IPO
1 Year Ago
$5.25
Jun 9, 2025
+63.0% in 1Y
5 Years Ago
$38.94
Jun 9, 2021
-78.0% in 5Y
10 Years Ago
$47.41
Jun 9, 2016
-81.9% in 10Y
Historical Price Data · PRTA
| Date↓ | Open↕ | High↕ | Low↕ | Close↕ | Close (Unadj.) ⓘ | Volume↕ | Change %↕ |
|---|---|---|---|---|---|---|---|
| Jun 8, 2026 | $8.80 | $8.89 | $8.53 | $8.56 | $8.56 | 313K | -2.73% |
| Jun 5, 2026 | $9.25 | $9.38 | $8.63 | $8.79 | $8.79 | 656K | -4.97% |
| Jun 4, 2026 | $9.03 | $9.45 | $9.03 | $9.25 | $9.25 | 505K | +2.44% |
| Jun 3, 2026 | $9.21 | $9.21 | $8.73 | $8.92 | $8.92 | 593K | -3.15% |
| Jun 2, 2026 | $9.59 | $9.59 | $9.12 | $9.19 | $9.19 | 439K | -4.17% |
| Jun 1, 2026 | $10.03 | $10.07 | $9.49 | $9.59 | $9.59 | 458K | -4.39% |
| May 29, 2026 | $9.93 | $10.24 | $9.80 | $10.18 | $10.18 | 501K | +2.52% |
| May 28, 2026 | $9.95 | $10.05 | $9.93 | $9.98 | $9.98 | 282K | +0.30% |
| May 27, 2026 | $10.11 | $10.26 | $10.01 | $10.03 | $10.03 | 616K | -0.79% |
| May 26, 2026 | $9.84 | $10.07 | $9.45 | $10.06 | $10.06 | 919K | +2.24% |
| May 22, 2026 | $9.36 | $10.00 | $9.36 | $9.83 | $9.83 | 511K | +5.02% |
| May 21, 2026 | $9.16 | $9.42 | $9.04 | $9.41 | $9.41 | 389K | +2.73% |
| May 20, 2026 | $9.09 | $9.41 | $9.09 | $9.35 | $9.35 | 625K | +2.86% |
| May 19, 2026 | $9.61 | $9.84 | $9.02 | $9.07 | $9.07 | 627K | -5.62% |
| May 18, 2026 | $9.66 | $10.09 | $9.53 | $9.59 | $9.59 | 651K | -0.72% |
| May 15, 2026 | $9.73 | $9.86 | $9.46 | $9.76 | $9.76 | 700K | +0.31% |
| May 14, 2026 | $9.60 | $9.88 | $9.42 | $9.86 | $9.86 | 452K | +2.71% |
| May 13, 2026 | $9.33 | $9.73 | $9.28 | $9.60 | $9.60 | 531K | +2.89% |
| May 12, 2026 | $9.67 | $9.82 | $9.29 | $9.43 | $9.43 | 495K | -2.48% |
| May 11, 2026 | $10.79 | $10.88 | $9.46 | $9.67 | $9.67 | 933K | -10.38% |
Showing 1–20 of 1,254 records
Annual Stock Price Performance · PRTA
Jan 1 → Dec 31 · 6 years2026-10.5%$9.56 → $8.56
-10.5%
2025-31.8%$14.01 → $9.55
-31.8%
2024-61.3%$35.83 → $13.85
-61.3%
2023-40.2%$60.77 → $36.34
-40.2%
2022+21.1%$49.77 → $60.25
+21.1%
2021+24.4%$39.72 → $49.40
+24.4%
Best Year2021 · +24.4%
Worst Year2024 · -61.3%
Positive Years2 / 6
Avg Annual Return-16.4%
6Y Total Return-78.4%
6Y CAGR~-22.6% / yr
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Mkt Cap $182.3BWhat If You Invested in PRTA?
If you invested $1,000 in PRTA 10 years ago — how much would it be worth today?
INVESTED$1,000
→TODAY WORTH$181
Total Return-81.9%
CAGR~-15.7% / yr
Profit$-819
Based on Jun 9, 2016 · $47.41Split & dividend adjustedNo fees assumed
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关于价格历史与 OHLCV 数据
Prothena Corporation plc（PRTA）所属板块为 Healthcare，主要交易场所为 NASDAQ。本页行情快照中的最近价为 $8.56。下方的图表与 OHLCV 表可查看历史开高低收与成交量。
年度表现条、同行业相似公司，以及 What If 假设计算器，便于在同一页面对比中长期收益。价格在注明处为拆股等调整后的日线数据；本页内容仅供信息参考，不构成投资建议。
数据：FMP 日线收盘 · 注明处为拆股等调整价 · 不构成投资建议
常见问题
PRTA 价格历史 · 5 个问题日线数据来自市场数据商（Financial Modeling Prep）。拆股等公司行为可能体现在复权序列中；重要决策请以券商或官方披露为准。
PRTA 历史股价FMP 日线复权 OHLCV