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0.7001
5.05%
-0.0372
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 October 16, 2026, is $0.7001.
- 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 $0.6501 on October 16, 2026. Since then, Aldeyra Therapeutics Inc's stock price has risen over 7.69% to $0.7001 now.
- The 52-week high stock price for ALDX is $5.93, representing a 747.02% increase from the current share price, occurred on January 30, 2026.
- The 52-week low stock price for ALDX is $0.6501, indicating a -7.14% decrease from the current share price, occurred on October 16, 2026.
- The closing price of Aldeyra Therapeutics Inc (ALDX) stock in the beginning of 2025 was $5.22. The stock closed the year at $5.18, a loss of over -0.77% for the year.
The table below shows more information about ALDX historical price data:
Daily
Weekly
Monthly
7D
30D
60D
YTD
1Y
| Date | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Oct 16, 2026 | $0.74 | $0.6501 | $0.0899 | 1,808,409.0 | -5.05% |
| Oct 15, 2026 | $0.803 | $0.7254 | $0.0776 | 1,233,461.0 | -6.72% |
| Oct 14, 2026 | $0.899 | $0.7886 | $0.1104 | 1,578,462.0 | -12.16% |
| Oct 13, 2026 | $0.91 | $0.8652 | $0.0448 | 1,457,618.0 | -0.66% |
| Oct 12, 2026 | $0.94 | $0.882 | $0.058 | 1,340,827.0 | -1.15% |
| Oct 09, 2026 | $0.97 | $0.915 | $0.055 | 699,272.0 | -3.31% |
| Oct 08, 2026 | $0.97 | $0.9124 | $0.0576 | 1,178,535.0 | -1.14% |
| Oct 07, 2026 | $0.9666 | $0.8812 | $0.0854 | 1,287,898.0 | +4.66% |
| Oct 06, 2026 | $0.99 | $0.8619 | $0.1282 | 8,234,453.0 | -0.84% |
| Oct 05, 2026 | $1.19 | $0.8976 | $0.2874 | 7,027,896.0 | -21.05% |
| Oct 02, 2026 | $1.31 | $1.15 | $0.16 | 2,278,806.0 | -9.30% |
| Oct 01, 2026 | $1.30 | $1.20 | $0.11 | 1,211,432.0 | +4.88% |
| Sep 30, 2026 | $1.35 | $1.22 | $0.13 | 1,651,523.0 | -6.82% |
| Sep 29, 2026 | $1.44 | $1.16 | $0.28 | 5,411,620.0 | +13.79% |
| Sep 28, 2026 | $1.22 | $1.15 | $0.07 | 1,020,513.0 | -3.73% |
| Sep 25, 2026 | $1.28 | $1.20 | $0.085 | 644,929.0 | -1.23% |
| Sep 24, 2026 | $1.35 | $1.22 | $0.13 | 820,202.0 | -9.63% |
| Sep 23, 2026 | $1.40 | $1.33 | $0.07 | 633,727.0 | -3.23% |
| Sep 22, 2026 | $1.40 | $1.35 | $0.0494 | 429,895.0 | +3.33% |
| Sep 21, 2026 | $1.39 | $1.32 | $0.0696 | 494,768.0 | -0.74% |
| Sep 18, 2026 | $1.40 | $1.34 | $0.055 | 366,920.0 | -1.45% |
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 |
|---|---|---|---|---|---|
| Oct, 2026 | $1.31 | $0.6501 | $0.6599 | 29,337,069.0 | -43.08% |
| Sep, 2026 | $1.55 | $1.15 | $0.40 | 19,975,692.0 | -16.89% |
| Aug, 2026 | $1.63 | $1.44 | $0.19 | 16,080,393.0 | -3.90% |
| Jul, 2026 | $2.53 | $1.48 | $1.05 | 31,860,249.0 | -27.70% |
| 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% |
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