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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 May 09, 2025, is $7.43.
  • 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 $6.715 on August 26, 2019. Since then, Prothena Corporation Plc's stock price has risen over 10.65% to $7.43 now.
  • The 52-week high stock price for PRTA is $25.42, representing a 242.13% increase from the current share price, occurred on July 25, 2024.
  • The 52-week low stock price for PRTA is $6.92, indicating a -6.86% decrease from the current share price, occurred on May 09, 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:
Date High Low High - Low Volume % Change
May 09, 2025 $8.08 $6.92 $1.16 1,656,818.0 +4.65%
May 08, 2025 $7.44 $7.01 $0.4298 1,710,947.0 -2.61%
May 07, 2025 $7.52 $7.17 $0.35 2,002,747.0 -0.82%
May 06, 2025 $8.80 $7.35 $1.45 4,154,502.0 -9.03%
May 05, 2025 $8.75 $8.00 $0.75 3,008,052.0 -4.94%
May 02, 2025 $9.50 $8.25 $1.25 5,554,311.0 -2.52%
May 01, 2025 $9.27 $8.58 $0.69 1,937,101.0 -5.22%
Apr 30, 2025 $9.57 $9.17 $0.405 988,865.0 -5.06%
Apr 29, 2025 $9.78 $9.44 $0.335 445,624.0 +0.41%
Apr 28, 2025 $9.81 $9.37 $0.445 573,554.0 -0.52%
Apr 25, 2025 $9.84 $9.39 $0.45 490,470.0 +0.52%
Apr 24, 2025 $9.98 $9.45 $0.53 385,916.0 +0.63%
Apr 23, 2025 $10.07 $9.44 $0.63 836,701.0 +0.52%
Apr 22, 2025 $9.65 $9.21 $0.44 1,078,388.0 +2.58%
Apr 21, 2025 $9.97 $9.00 $0.9699 774,020.0 +1.09%
Apr 17, 2025 $9.48 $9.10 $0.385 340,979.0 -0.65%
Apr 16, 2025 $9.58 $9.15 $0.43 400,084.0 -3.44%
Apr 15, 2025 $10.04 $9.40 $0.6415 498,560.0 -3.52%
Apr 14, 2025 $10.45 $9.75 $0.70 386,999.0 -2.74%
Apr 11, 2025 $10.27 $9.59 $0.685 443,620.0 +5.47%

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
May, 2025 $9.50 $6.92 $2.58 21,681,296.0 -19.24%
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%
$65.08
price down icon 0.84%
$19.36
price down icon 0.31%
$33.15
price up icon 0.15%
$23.96
price down icon 2.80%
$92.77
price down icon 2.12%
biotechnology ONC
$231.99
price down icon 1.67%
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