2.28
price up icon0.44%   0.010
pre-market  Pre-market:  2.23   -0.05   -2.19%
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Aldeyra Therapeutics Inc Stock (ALDX) Price History

The historical daily chart and data for Aldeyra Therapeutics Inc stock (ALDX), show that the latest closing stock price as of July 06, 2026, is $2.28.
  • Aldeyra Therapeutics Inc all-time high stock price is $16.70, occurred on September 26, 2018.
  • The lowest Aldeyra Therapeutics Inc stock price recorded was $1.07 on March 17, 2026. Since then, Aldeyra Therapeutics Inc's stock price has risen over 113.08% to $2.28 now.
  • The 52-week high stock price for ALDX is $6.175, representing a 170.83% increase from the current share price, occurred on August 28, 2025.
  • The 52-week low stock price for ALDX is $1.07, indicating a -53.07% decrease from the current share price, occurred on March 17, 2026.
  • The closing price of Aldeyra Therapeutics Inc (ALDX) stock in the beginning of 2025 was $4.27. The stock closed the year at $6.96, a gain of over 63.00% for the year.
The table below shows more information about ALDX historical price data:
Date High Low High - Low Volume % Change
Jul 06, 2026 $2.36 $2.21 $0.1512 1,199,839.0 +0.44%
Jul 02, 2026 $2.53 $2.25 $0.2798 2,116,155.0 -6.58%
Jul 01, 2026 $2.53 $2.10 $0.425 3,412,951.0 +14.08%
Jun 30, 2026 $2.16 $2.05 $0.11 2,183,884.0 +3.90%
Jun 29, 2026 $2.08 $1.82 $0.265 1,907,051.0 +12.02%
Jun 26, 2026 $1.88 $1.71 $0.17 6,077,825.0 +1.67%
Jun 25, 2026 $1.96 $1.75 $0.205 2,047,726.0 -5.26%
Jun 24, 2026 $2.09 $1.84 $0.245 2,120,157.0 -5.94%
Jun 23, 2026 $2.21 $2.00 $0.2114 2,434,392.0 -1.46%
Jun 22, 2026 $2.15 $1.95 $0.20 1,688,225.0 +4.59%
Jun 18, 2026 $1.99 $1.87 $0.12 2,183,496.0 +7.10%
Jun 17, 2026 $1.92 $1.77 $0.15 1,289,110.0 +2.81%
Jun 16, 2026 $1.84 $1.75 $0.095 923,584.0 +1.14%
Jun 15, 2026 $1.83 $1.74 $0.0932 616,579.0 +0.00%
Jun 12, 2026 $1.77 $1.70 $0.08 829,660.0 +2.92%
Jun 11, 2026 $1.73 $1.66 $0.07 1,178,970.0 +1.18%
Jun 10, 2026 $1.80 $1.65 $0.15 903,039.0 -1.74%
Jun 09, 2026 $1.83 $1.68 $0.15 961,287.0 -1.15%

Aldeyra Therapeutics Inc Stock (ALDX) Year by Year Price History

In this detailed analysis, we present a comprehensive overview of the price movements of Aldeyra 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 ALDX shares. From significant milestones and fluctuations to notable trends, this in-depth examination of Aldeyra Therapeutics Inc stock price history provides a foundation for understanding how the company's stock has evolved over time.

Aldeyra Therapeutics Inc Stock (ALDX) Price History 2026

Month High Low High - Low Volume % Change
Jul, 2026 $2.53 $2.10 $0.425 7,928,784.0 +7.04%
Jun, 2026 $2.21 $1.58 $0.63 34,875,343.0 +21.71%
May, 2026 $1.86 $1.50 $0.355 18,256,156.0 +15.13%
Apr, 2026 $1.89 $1.47 $0.42 34,183,039.0 -10.06%
Mar, 2026 $5.74 $1.07 $4.67 139,238,562.0 -69.05%
Feb, 2026 $5.67 $4.85 $0.82 14,316,701.0 +1.87%
Jan, 2026 $5.93 $3.94 $1.98 17,498,085.0 +3.47%

Aldeyra Therapeutics Inc Stock (ALDX) Price History 2025

Month High Low High - Low Volume % Change
Dec, 2025 $5.75 $3.94 $1.81 32,081,850.0 -6.02%
Nov, 2025 $5.68 $4.53 $1.15 13,330,225.0 +8.09%
Oct, 2025 $5.79 $4.70 $1.09 15,427,522.0 -2.87%
Sep, 2025 $5.93 $4.78 $1.15 16,764,394.0 -10.62%
Aug, 2025 $6.17 $4.23 $1.94 18,012,006.0 +17.03%
Jul, 2025 $5.66 $3.73 $1.93 25,779,329.0 +30.29%
Jun, 2025 $4.00 $2.08 $1.92 20,123,731.0 +78.14%
May, 2025 $2.89 $1.90 $0.99 24,671,866.0 -18.87%
Apr, 2025 $5.91 $1.14 $4.77 69,625,054.0 -53.91%
Mar, 2025 $7.20 $5.24 $1.96 17,258,451.0 +12.52%
Feb, 2025 $6.92 $4.78 $2.14 8,563,824.0 -2.48%
Jan, 2025 $5.58 $4.66 $0.925 6,716,553.0 +5.01%

Aldeyra Therapeutics Inc Stock (ALDX) Price History 2024

Month High Low High - Low Volume % Change
Dec, 2024 $5.46 $4.67 $0.79 7,855,780.0 +2.45%
Nov, 2024 $5.74 $4.09 $1.65 11,281,906.0 -6.84%
Oct, 2024 $6.17 $5.03 $1.14 8,770,966.0 -2.41%
Sep, 2024 $6.55 $5.26 $1.29 10,395,206.0 -6.34%
Aug, 2024 $5.85 $3.14 $2.71 15,669,018.0 +46.07%
Jul, 2024 $4.39 $3.10 $1.29 5,488,034.0 +19.03%
Jun, 2024 $4.24 $3.14 $1.10 7,821,654.0 -14.25%
May, 2024 $4.38 $3.65 $0.725 6,769,433.0 -2.03%
Apr, 2024 $4.97 $3.13 $1.84 16,957,630.0 +20.49%
Mar, 2024 $4.34 $2.71 $1.63 10,759,703.0 -9.67%
Feb, 2024 $3.85 $3.06 $0.79 7,654,017.0 +15.65%
Jan, 2024 $3.69 $2.96 $0.73 12,074,443.0 -10.83%
$111.54
price down icon 0.05%
$56.92
price down icon 1.47%
$35.39
price up icon 0.74%
ONC ONC
$309.46
price up icon 3.97%
$81.80
price up icon 2.56%
$189.99
price up icon 0.40%
Cap:     |  Volume (24h):