4.81
price down icon3.61%   -0.18
after-market After Hours: 4.91 0.10 +2.08%
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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 August 01, 2025, is $4.81.
  • 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 $1.14 on April 03, 2025. Since then, Aldeyra Therapeutics Inc's stock price has risen over 321.93% to $4.81 now.
  • The 52-week high stock price for ALDX is $7.20, representing a 49.69% increase from the current share price, occurred on March 12, 2025.
  • The 52-week low stock price for ALDX is $1.14, indicating a -76.30% decrease from the current share price, occurred on April 03, 2025.
  • The closing price of Aldeyra Therapeutics Inc (ALDX) stock in the beginning of 2024 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
Aug 01, 2025 $4.92 $4.23 $0.69 1,511,073.0 -3.61%
Jul 31, 2025 $5.15 $4.94 $0.21 779,710.0 -1.19%
Jul 30, 2025 $5.35 $5.00 $0.3493 964,879.0 -0.79%
Jul 29, 2025 $5.32 $5.02 $0.30 1,210,192.0 -4.32%
Jul 28, 2025 $5.37 $5.12 $0.25 904,722.0 +2.90%
Jul 25, 2025 $5.47 $5.12 $0.345 1,753,610.0 -4.96%
Jul 24, 2025 $5.62 $5.39 $0.23 977,223.0 -1.63%
Jul 23, 2025 $5.55 $5.38 $0.165 295,041.0 +3.17%
Jul 22, 2025 $5.40 $5.21 $0.19 936,840.0 -0.56%
Jul 21, 2025 $5.47 $5.24 $0.235 1,436,308.0 +0.00%
Jul 18, 2025 $5.66 $5.15 $0.5052 1,768,449.0 +7.16%
Jul 17, 2025 $5.41 $4.88 $0.5293 1,920,160.0 -2.52%
Jul 16, 2025 $5.18 $4.94 $0.2375 716,524.0 +3.82%
Jul 15, 2025 $5.09 $4.81 $0.28 1,174,994.0 -0.80%
Jul 14, 2025 $5.04 $4.64 $0.40 1,218,278.0 +7.74%
Jul 11, 2025 $4.81 $4.55 $0.26 1,381,682.0 -3.12%
Jul 10, 2025 $4.92 $4.43 $0.485 1,408,699.0 +6.19%
Jul 09, 2025 $4.60 $4.34 $0.26 1,742,819.0 +4.39%
Jul 08, 2025 $4.44 $4.12 $0.32 1,098,372.0 -0.46%
Jul 07, 2025 $4.43 $4.16 $0.2657 906,879.0 +1.16%
Jul 03, 2025 $4.33 $4.00 $0.335 757,113.0 +7.50%

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 2025

Month High Low High - Low Volume % Change
Aug, 2025 $4.92 $4.23 $0.69 1,511,073.0 +0.00%
Jul, 2025 $5.66 $3.73 $1.93 27,290,402.0 +25.59%
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%

Aldeyra Therapeutics Inc Stock (ALDX) Price History 2023

Month High Low High - Low Volume % Change
Dec, 2023 $3.77 $2.69 $1.08 36,297,890.0 +26.71%
Nov, 2023 $2.96 $1.97 $0.99 106,341,071.0 +61.99%
Oct, 2023 $6.74 $1.42 $5.32 47,562,505.0 -74.40%
Sep, 2023 $7.66 $5.95 $1.71 11,474,564.0 -10.46%
Aug, 2023 $8.38 $7.08 $1.30 11,879,646.0 -8.07%
Jul, 2023 $8.46 $7.55 $0.90 12,795,480.0 -3.28%
Jun, 2023 $11.97 $5.47 $6.50 47,889,982.0 -11.59%
May, 2023 $10.81 $9.13 $1.68 14,905,571.0 -0.42%
Apr, 2023 $10.88 $8.96 $1.92 22,091,344.0 -4.03%
Mar, 2023 $10.03 $6.76 $3.27 19,718,669.0 +46.89%
Feb, 2023 $7.49 $5.88 $1.61 8,050,497.0 +14.58%
Jan, 2023 $7.19 $5.75 $1.44 6,888,484.0 -15.23%
$75.59
price up icon 0.93%
$37.11
price up icon 0.84%
$108.69
price up icon 1.31%
$27.07
price up icon 2.65%
$107.34
price down icon 0.15%
biotechnology ONC
$299.01
price down icon 0.70%
Cap:     |  Volume (24h):