3.32
price down icon5.68%   -0.20
after-market After Hours: 3.31 -0.010 -0.30%
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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 June 13, 2025, is $3.32.
  • Protagenic Therapeutics Inc all-time high stock price is $26.18, occurred on May 22, 2024.
  • 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 $3.32 now.
  • The 52-week high stock price for PTIX is $15.82, representing a 376.51% increase from the current share price, occurred on June 18, 2024.
  • The 52-week low stock price for PTIX is $2.35, indicating a -29.22% decrease from the current share price, occurred on May 05, 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
Jun 13, 2025 $3.50 $3.30 $0.20 61,629.0 -5.68%
Jun 12, 2025 $3.56 $3.44 $0.12 72,232.0 -0.28%
Jun 11, 2025 $3.58 $3.45 $0.125 95,321.0 -0.28%
Jun 10, 2025 $3.71 $3.50 $0.21 119,014.0 -2.75%
Jun 09, 2025 $3.75 $3.54 $0.21 154,826.0 +0.55%
Jun 06, 2025 $3.67 $3.52 $0.15 94,114.0 +3.87%
Jun 05, 2025 $3.89 $3.44 $0.4485 222,391.0 -8.29%
Jun 04, 2025 $3.94 $3.56 $0.38 320,374.0 +3.54%
Jun 03, 2025 $3.93 $3.60 $0.33 359,635.0 -3.42%
Jun 02, 2025 $4.05 $3.73 $0.3199 323,862.0 -1.30%
May 30, 2025 $4.47 $3.81 $0.6556 657,862.0 +1.05%
May 29, 2025 $4.07 $3.75 $0.32 244,849.0 -4.75%
May 28, 2025 $4.50 $3.71 $0.7891 985,649.0 +1.52%
May 27, 2025 $4.65 $3.82 $0.83 561,611.0 -17.23%
May 23, 2025 $5.81 $4.46 $1.35 666,911.0 -11.36%
May 22, 2025 $6.31 $5.20 $1.11 905,875.0 -12.54%
May 21, 2025 $7.11 $6.03 $1.08 1,270,276.0 -10.76%
May 20, 2025 $9.86 $6.40 $3.46 3,879,444.0 -38.02%
May 19, 2025 $14.28 $6.32 $7.96 97,057,557.0 +266.34%

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
Jun, 2025 $4.05 $3.30 $0.75 1,885,027.0 -13.77%
May, 2025 $14.28 $2.35 $11.93 111,013,140.3 +22.77%
Apr, 2025 $8.65 $2.51 $6.15 14,522,063.4 +14.81%
Mar, 2025 $5.88 $2.73 $3.15 1,225,196.4 -36.03%
Feb, 2025 $5.46 $3.36 $2.10 619,657.1 -17.34%
Jan, 2025 $8.67 $5.08 $3.60 461,978.0 -24.69%

Protagenic Therapeutics Inc Stock (PTIX) Price History 2024

Month High Low High - Low Volume % Change
Dec, 2024 $11.20 $6.16 $5.04 511,639.4 -8.97%
Nov, 2024 $15.26 $7.29 $7.97 496,152.1 -9.94%
Oct, 2024 $11.48 $6.86 $4.62 112,060.7 +4.42%
Sep, 2024 $15.54 $7.56 $7.98 993,780.3 +3.49%
Aug, 2024 $11.87 $7.00 $4.87 11,072.6 -14.62%
Jul, 2024 $13.09 $9.80 $3.29 9,859.4 -21.55%
Jun, 2024 $19.32 $12.04 $7.28 14,967.6 -31.44%
May, 2024 $26.18 $17.07 $9.11 32,559.6 -4.13%
Apr, 2024 $25.20 $16.15 $9.05 15,425.0 -21.33%
Mar, 2024 $26.18 $12.46 $13.72 28,383.2 +66.67%
Feb, 2024 $16.80 $11.48 $5.32 8,930.5 +10.53%
Jan, 2024 $14.56 $10.27 $4.29 3,924.2 -4.04%

Protagenic Therapeutics Inc Stock (PTIX) Price History 2023

Month High Low High - Low Volume % Change
Dec, 2023 $17.36 $9.52 $7.84 17,873.7 +32.00%
Nov, 2023 $12.29 $9.94 $2.35 7,366.6 -3.47%
Oct, 2023 $26.04 $10.16 $15.88 46,039.7 -57.77%
Sep, 2023 $27.72 $22.68 $5.04 10,895.9 -3.16%
Aug, 2023 $30.66 $25.27 $5.39 5,632.9 -11.68%
Jul, 2023 $31.08 $27.44 $3.64 3,015.1 +5.97%
Jun, 2023 $29.26 $24.08 $5.18 4,389.2 +2.01%
May, 2023 $32.48 $25.20 $7.28 9,866.3 +6.42%
Apr, 2023 $27.86 $21.56 $6.30 11,664.0 +8.09%
Mar, 2023 $32.06 $17.48 $14.58 24,568.9 +0.51%
Feb, 2023 $34.02 $23.24 $10.78 4,906.3 -20.33%
Jan, 2023 $35.28 $21.96 $13.32 9,918.9 +35.02%
$98.73
price up icon 1.91%
$22.82
price down icon 1.17%
$34.84
price down icon 1.22%
$19.78
price down icon 1.88%
$106.57
price up icon 1.57%
biotechnology ONC
$269.63
price down icon 2.50%
Cap:     |  Volume (24h):