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Protagenic Therapeutics Inc Stock (PTIX) Price History

The historical daily chart and data for Protagenic Therapeutics Inc stock (PTIX), show that the latest closing stock price as of April 25, 2025, is $0.218.
  • Protagenic Therapeutics Inc all-time high stock price is $9.40, occurred on November 08, 2021.
  • The lowest Protagenic Therapeutics Inc stock price recorded was $0.00 on November 24, 2023. Since then, Protagenic Therapeutics Inc's stock price has risen over to $0.218 now.
  • The 52-week high stock price for PTIX is $1.87, representing a 757.80% increase from the current share price, occurred on May 22, 2024.
  • The 52-week low stock price for PTIX is $0.179, indicating a -17.89% decrease from the current share price, occurred on April 01, 2025.
  • The closing price of Protagenic Therapeutics Inc (PTIX) stock in the beginning of 2024 was $5.60. The stock closed the year at $1.60, a loss of over -71.43% for the year.
The table below shows more information about PTIX historical price data:
Date High Low High - Low Volume % Change
Apr 25, 2025 $0.2282 $0.2045 $0.0237 173,893.0 +1.49%
Apr 24, 2025 $0.2338 $0.2103 $0.0235 338,003.0 -5.50%
Apr 23, 2025 $0.2488 $0.22 $0.0288 146,714.0 +0.80%
Apr 22, 2025 $0.2255 $0.2088 $0.0167 89,416.0 +7.89%
Apr 21, 2025 $0.2338 $0.209 $0.0248 268,577.0 -12.88%
Apr 17, 2025 $0.257 $0.2259 $0.0311 214,888.0 -6.65%
Apr 16, 2025 $0.2793 $0.2561 $0.0232 128,997.0 -10.73%
Apr 15, 2025 $0.30 $0.278 $0.022 196,225.0 -6.83%
Apr 14, 2025 $0.31 $0.2655 $0.0445 239,738.0 +3.00%
Apr 11, 2025 $0.30 $0.2597 $0.0403 250,167.0 +15.92%
Apr 10, 2025 $0.266 $0.2534 $0.0126 148,368.0 -3.07%
Apr 09, 2025 $0.2973 $0.208 $0.0893 630,769.0 -2.66%
Apr 08, 2025 $0.2743 $0.237 $0.0373 343,005.0 -13.82%
Apr 07, 2025 $0.3415 $0.2853 $0.0562 944,145.0 -17.88%
Apr 04, 2025 $0.39 $0.2853 $0.1047 4,714,813.0 -7.27%
Apr 03, 2025 $0.618 $0.3486 $0.2694 178,019,539.0 +84.14%
Apr 02, 2025 $0.2552 $0.225 $0.0302 14,416,385.0 -9.20%
Apr 01, 2025 $0.2782 $0.179 $0.0992 624,544.0 +28.14%
Mar 31, 2025 $0.22 $0.195 $0.025 131,054.0 -13.29%
Mar 28, 2025 $0.2458 $0.225 $0.0208 70,962.0 -10.00%

Protagenic Therapeutics Inc Stock (PTIX) Year by Year Price History

In this detailed analysis, we present a comprehensive overview of the price movements of Protagenic Therapeutics Inc stock over the years. By exploring the year-by-year data, investors can gain valuable insights into the historical performance and volatility of PTIX shares. From significant milestones and fluctuations to notable trends, this in-depth examination of Protagenic Therapeutics Inc stock price history provides a foundation for understanding how the company's stock has evolved over time.

Protagenic Therapeutics Inc Stock (PTIX) Price History 2025

Month High Low High - Low Volume % Change
Apr, 2025 $0.618 $0.179 $0.439 202,062,079.0 +11.74%
Mar, 2025 $0.42 $0.195 $0.225 17,152,750.0 -36.03%
Feb, 2025 $0.39 $0.24 $0.15 8,675,199.0 -17.34%
Jan, 2025 $0.6196 $0.3625 $0.2571 6,467,692.0 -24.69%

Protagenic Therapeutics Inc Stock (PTIX) Price History 2024

Month High Low High - Low Volume % Change
Dec, 2024 $0.7999 $0.44 $0.3599 7,162,951.0 -8.97%
Nov, 2024 $1.09 $0.5209 $0.5691 6,946,130.0 -9.94%
Oct, 2024 $0.82 $0.49 $0.33 1,568,850.0 +4.42%
Sep, 2024 $1.11 $0.54 $0.5699 13,912,924.0 +3.49%
Aug, 2024 $0.848 $0.50 $0.348 155,016.0 -14.62%
Jul, 2024 $0.935 $0.70 $0.235 138,031.0 -21.55%
Jun, 2024 $1.38 $0.86 $0.52 209,546.0 -31.44%
May, 2024 $1.87 $1.22 $0.6507 455,835.0 -4.13%
Apr, 2024 $1.80 $1.15 $0.6465 215,950.0 -21.33%
Mar, 2024 $1.87 $0.89 $0.98 397,365.0 +66.67%
Feb, 2024 $1.20 $0.82 $0.38 125,027.0 +10.53%
Jan, 2024 $1.04 $0.7336 $0.3064 54,939.0 -4.04%

Protagenic Therapeutics Inc Stock (PTIX) Price History 2023

Month High Low High - Low Volume % Change
Dec, 2023 $1.24 $0.6797 $0.5603 250,232.0 +32.00%
Nov, 2023 $0.878 $0.71 $0.168 103,133.0 -3.47%
Oct, 2023 $1.86 $0.726 $1.13 644,556.0 -57.77%
Sep, 2023 $1.98 $1.62 $0.36 152,542.0 -3.16%
Aug, 2023 $2.19 $1.81 $0.3847 78,861.0 -11.68%
Jul, 2023 $2.22 $1.96 $0.26 42,212.0 +5.97%
Jun, 2023 $2.09 $1.72 $0.37 61,449.0 +2.01%
May, 2023 $2.32 $1.80 $0.52 138,128.0 +6.42%
Apr, 2023 $1.99 $1.54 $0.4499 163,296.0 +8.09%
Mar, 2023 $2.29 $1.25 $1.04 343,964.8 +0.51%
Feb, 2023 $2.43 $1.66 $0.77 68,687.5 -20.33%
Jan, 2023 $2.52 $1.57 $0.9516 138,864.3 +35.02%
$20.59
price up icon 0.24%
$69.69
price up icon 1.06%
$32.20
price up icon 0.53%
$23.46
price down icon 36.06%
$102.02
price down icon 15.36%
biotechnology ONC
$244.90
price down icon 4.40%
Cap:     |  Volume (24h):