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8.77
2.45%
0.21
Prothena Corporation Plc Stock (PRTA) Price History
The historical daily chart and data for Prothena Corporation Plc stock (PRTA), show that the latest closing stock price as of August 22, 2025, is $8.77.
- Prothena Corporation Plc all-time high stock price is $79.75, occurred on September 27, 2021.
- The lowest Prothena Corporation Plc stock price recorded was $4.32 on May 28, 2025. Since then, Prothena Corporation Plc's stock price has risen over 103.01% to $8.77 now.
- The 52-week high stock price for PRTA is $22.83, representing a 160.32% increase from the current share price, occurred on September 03, 2024.
- The 52-week low stock price for PRTA is $4.32, indicating a -50.74% decrease from the current share price, occurred on May 28, 2025.
- The closing price of Prothena Corporation Plc (PRTA) stock in the beginning of 2024 was $49.22. The stock closed the year at $60.25, a gain of over 22.41% for the year.
The table below shows more information about PRTA historical price data:
Daily
Weekly
Monthly
7D
30D
60D
YTD
1Y
| Date | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Aug 22, 2025 | $8.97 | $8.52 | $0.45 | 1,227,746.0 | +2.45% |
| Aug 21, 2025 | $8.57 | $8.32 | $0.25 | 848,495.0 | +0.47% |
| Aug 20, 2025 | $8.60 | $8.28 | $0.315 | 637,196.0 | +0.00% |
| Aug 19, 2025 | $8.70 | $8.35 | $0.35 | 827,098.0 | -0.12% |
| Aug 18, 2025 | $8.66 | $8.29 | $0.365 | 1,156,260.0 | +3.39% |
| Aug 15, 2025 | $8.34 | $8.00 | $0.335 | 1,129,112.0 | +2.36% |
| Aug 14, 2025 | $8.12 | $7.78 | $0.3361 | 590,269.0 | +0.12% |
| Aug 13, 2025 | $8.17 | $7.58 | $0.59 | 1,598,111.0 | +6.76% |
| Aug 12, 2025 | $7.96 | $7.50 | $0.46 | 906,549.0 | -1.69% |
| Aug 11, 2025 | $7.85 | $7.39 | $0.4648 | 1,147,185.0 | -0.26% |
| Aug 08, 2025 | $7.94 | $7.63 | $0.305 | 919,604.0 | -0.39% |
| Aug 07, 2025 | $7.98 | $7.52 | $0.46 | 1,092,114.0 | -2.53% |
| Aug 06, 2025 | $8.01 | $7.28 | $0.73 | 3,107,223.0 | +12.66% |
| Aug 05, 2025 | $7.54 | $6.73 | $0.81 | 1,565,289.0 | +1.30% |
| Aug 04, 2025 | $6.99 | $6.70 | $0.29 | 922,336.0 | +1.91% |
| Aug 01, 2025 | $6.87 | $6.61 | $0.26 | 840,781.0 | -0.87% |
| Jul 31, 2025 | $7.22 | $6.83 | $0.395 | 994,941.0 | -0.15% |
| Jul 30, 2025 | $7.33 | $6.74 | $0.59 | 1,240,611.0 | -0.72% |
| Jul 29, 2025 | $7.10 | $6.80 | $0.30 | 724,830.0 | +0.87% |
| Jul 28, 2025 | $6.89 | $6.63 | $0.2643 | 786,480.0 | +2.84% |
| Jul 25, 2025 | $6.86 | $6.58 | $0.28 | 771,450.0 | -0.30% |
| Jul 24, 2025 | $6.76 | $6.54 | $0.218 | 717,762.0 | -0.89% |
Prothena Corporation Plc Stock (PRTA) Year by Year Price History
In this detailed analysis, we present a comprehensive overview of the price movements of Prothena Corporation Plc stock over the years. By exploring the year-by-year data, investors can gain valuable insights into the historical performance and volatility of PRTA shares. From significant milestones and fluctuations to notable trends, this in-depth examination of Prothena Corporation Plc stock price history provides a foundation for understanding how the company's stock has evolved over time.
Prothena Corporation Plc Stock (PRTA) Price History 2025
| Month | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Aug, 2025 | $8.97 | $6.61 | $2.36 | 19,743,114.0 | +27.66% |
| Jul, 2025 | $7.33 | $5.96 | $1.37 | 18,053,702.0 | +13.18% |
| Jun, 2025 | $6.41 | $4.53 | $1.88 | 37,183,399.0 | +32.24% |
| May, 2025 | $9.50 | $4.32 | $5.18 | 56,710,247.0 | -50.11% |
| Apr, 2025 | $12.45 | $9.00 | $3.45 | 13,642,220.0 | -25.66% |
| Mar, 2025 | $16.05 | $11.78 | $4.27 | 9,041,090.0 | -21.73% |
| Feb, 2025 | $16.66 | $13.15 | $3.51 | 6,536,309.0 | +11.10% |
| Jan, 2025 | $16.64 | $12.39 | $4.25 | 7,635,320.0 | +2.74% |
Prothena Corporation Plc Stock (PRTA) Price History 2024
| Month | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Dec, 2024 | $17.66 | $11.70 | $5.96 | 13,893,370.0 | -8.20% |
| Nov, 2024 | $18.77 | $13.22 | $5.55 | 8,760,505.0 | -4.65% |
| Oct, 2024 | $18.88 | $15.30 | $3.58 | 12,799,231.0 | +1.61% |
| Sep, 2024 | $22.83 | $15.52 | $7.31 | 9,584,427.0 | -24.88% |
| Aug, 2024 | $23.66 | $18.99 | $4.67 | 7,120,844.0 | -4.34% |
| Jul, 2024 | $25.42 | $19.55 | $5.87 | 9,094,562.0 | +12.79% |
| Jun, 2024 | $22.81 | $18.69 | $4.12 | 11,583,033.0 | -0.82% |
| May, 2024 | $24.20 | $19.52 | $4.68 | 10,950,137.0 | +2.31% |
| Apr, 2024 | $26.36 | $19.65 | $6.71 | 11,145,523.0 | -17.88% |
| Mar, 2024 | $30.85 | $24.25 | $6.60 | 11,542,717.0 | -10.22% |
| Feb, 2024 | $31.03 | $24.29 | $6.75 | 16,161,111.0 | -2.82% |
| Jan, 2024 | $41.55 | $28.27 | $13.28 | 22,443,182.0 | -21.88% |
Prothena Corporation Plc Stock (PRTA) Price History 2023
| Month | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Dec, 2023 | $41.49 | $31.96 | $9.53 | 16,583,747.0 | +11.54% |
| Nov, 2023 | $40.60 | $31.71 | $8.89 | 12,846,660.0 | -10.64% |
| Oct, 2023 | $55.89 | $28.51 | $27.38 | 20,626,195.0 | -24.44% |
| Sep, 2023 | $56.04 | $45.22 | $10.82 | 7,988,147.0 | -8.65% |
| Aug, 2023 | $70.09 | $52.70 | $17.39 | 9,585,640.0 | -23.30% |
| Jul, 2023 | $73.14 | $61.17 | $11.97 | 6,391,868.0 | +0.86% |
| Jun, 2023 | $77.13 | $64.86 | $12.27 | 9,046,359.0 | +2.78% |
| May, 2023 | $79.65 | $52.25 | $27.40 | 12,608,070.0 | +26.24% |
| Apr, 2023 | $55.18 | $47.45 | $7.73 | 6,612,561.0 | +8.56% |
| Mar, 2023 | $57.09 | $45.06 | $12.03 | 11,051,440.0 | -13.07% |
| Feb, 2023 | $60.20 | $50.13 | $10.07 | 8,799,251.0 | -1.40% |
| Jan, 2023 | $60.82 | $51.65 | $9.17 | 10,906,453.0 | -6.14% |
0.94%
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