4.65
price down icon10.49%   -0.545
after-market After Hours: 4.70 0.05 +1.08%
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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 March 05, 2026, is $4.65.
  • 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 307.89% to $4.65 now.
  • The 52-week high stock price for ALDX is $7.20, representing a 54.84% increase from the current share price, occurred on March 12, 2025.
  • The 52-week low stock price for ALDX is $1.14, indicating a -75.48% decrease from the current share price, occurred on April 03, 2025.
  • 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
Mar 05, 2026 $5.12 $4.37 $0.755 2,600,194.0 -10.49%
Mar 04, 2026 $5.39 $5.15 $0.245 761,809.0 +1.66%
Mar 03, 2026 $5.52 $5.05 $0.465 871,353.0 -9.07%
Mar 02, 2026 $5.74 $5.32 $0.425 879,112.0 +2.93%
Feb 27, 2026 $5.50 $5.30 $0.1965 1,014,818.0 -0.73%
Feb 26, 2026 $5.54 $5.35 $0.185 937,436.0 +0.18%
Feb 25, 2026 $5.62 $5.21 $0.41 1,266,536.0 +5.37%
Feb 24, 2026 $5.34 $4.96 $0.385 1,044,473.0 +4.41%
Feb 23, 2026 $5.10 $4.85 $0.25 436,366.0 +0.81%
Feb 20, 2026 $5.08 $4.91 $0.1706 468,662.0 -2.56%
Feb 19, 2026 $5.13 $4.92 $0.21 726,828.0 +1.20%
Feb 18, 2026 $5.19 $4.91 $0.28 660,068.0 -2.52%
Feb 17, 2026 $5.35 $5.12 $0.225 582,328.0 -2.46%
Feb 13, 2026 $5.44 $5.15 $0.29 831,193.0 +0.57%
Feb 12, 2026 $5.56 $5.16 $0.405 1,067,613.0 -1.32%
Feb 11, 2026 $5.52 $5.28 $0.24 905,992.0 -2.92%
Feb 10, 2026 $5.67 $5.45 $0.22 587,679.0 -1.44%
Feb 09, 2026 $5.66 $5.41 $0.245 365,173.0 +0.54%
Feb 06, 2026 $5.61 $5.15 $0.46 973,376.0 +8.64%
Feb 05, 2026 $5.44 $5.08 $0.365 600,781.0 -2.49%
Feb 04, 2026 $5.48 $4.92 $0.5585 935,512.0 -3.51%

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
Mar, 2026 $5.74 $4.37 $1.38 7,712,662.0 -14.84%
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%
$45.68
price down icon 3.69%
$53.83
price down icon 6.87%
$29.72
price up icon 0.68%
$101.95
price down icon 1.78%
$143.57
price down icon 4.21%
biotechnology ONC
$292.94
price down icon 2.03%
Cap:     |  Volume (24h):