If you invested $1000 in Aldeyra Therapeutics, Inc. (ALDX) 10 years ago, it would be worth $278.39 as of August 24, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $172.34, while $1000 invested 1 year ago would be worth $263.43. This corresponds to total returns of -72.16%, -82.77%, -73.66%, respectively, with annualized returns of -12%, -29.63%, -73.66%.
Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.
Date Range:
| Date | Open | Close | Adj Close | High | Low | Volume |
|---|---|---|---|---|---|---|
| August 21, 2026 | 1.5 | 1.52 | 1.52 | 1.6 | 1.48 | 1.1M |
| August 20, 2026 | 1.57 | 1.5 | 1.5 | 1.58 | 1.5 | 935,073 |
| August 19, 2026 | 1.59 | 1.58 | 1.58 | 1.59 | 1.58 | 0 |
| August 18, 2026 | 1.54 | 1.55 | 1.55 | 1.6 | 1.51 | 702,808 |
| August 17, 2026 | 1.55 | 1.56 | 1.56 | 1.58 | 1.53 | 789,787 |
| August 14, 2026 | 1.49 | 1.56 | 1.56 | 1.57 | 1.45 | 829,953 |
| August 13, 2026 | 1.52 | 1.44 | 1.44 | 1.57 | 1.44 | 0 |
| August 12, 2026 | 1.51 | 1.52 | 1.52 | 1.58 | 1.51 | 0 |
| August 11, 2026 | 1.53 | 1.51 | 1.51 | 1.54 | 1.5 | 0 |
| August 10, 2026 | 1.55 | 1.51 | 1.51 | 1.57 | 1.51 | 866,930 |
| August 07, 2026 | 1.59 | 1.55 | 1.55 | 1.59 | 1.55 | 0 |
| August 06, 2026 | 1.6 | 1.59 | 1.59 | 1.62 | 1.53 | 573,828 |
| August 05, 2026 | 1.55 | 1.6 | 1.6 | 1.63 | 1.55 | 822,637 |
| August 04, 2026 | 1.52 | 1.55 | 1.55 | 1.6 | 1.5 | 975,420 |
| August 03, 2026 | 1.55 | 1.53 | 1.53 | 1.55 | 1.49 | 782,721 |
| July 31, 2026 | 1.62 | 1.54 | 1.54 | 1.63 | 1.52 | 576,763 |
| July 30, 2026 | 1.63 | 1.6 | 1.6 | 1.67 | 1.6 | 548,886 |
| July 29, 2026 | 1.58 | 1.61 | 1.61 | 1.63 | 1.53 | 744,797 |
| July 28, 2026 | 1.62 | 1.58 | 1.58 | 1.62 | 1.49 | 916,756 |
| July 27, 2026 | 1.53 | 1.59 | 1.59 | 1.61 | 1.53 | 1.23M |
| July 23, 2026 | 1.7 | 1.55 | 1.55 | 1.72 | 1.54 | 1.41M |
| July 22, 2026 | 1.75 | 1.7 | 1.7 | 1.76 | 1.66 | 1.08M |
| July 21, 2026 | 1.71 | 1.75 | 1.75 | 1.78 | 1.69 | 1.1M |
| July 20, 2026 | 1.7 | 1.7 | 1.7 | 1.76 | 1.65 | 1.13M |
| July 17, 2026 | 1.7 | 1.69 | 1.69 | 1.74 | 1.65 | 1.17M |
| July 16, 2026 | 1.84 | 1.72 | 1.72 | 1.85 | 1.6 | 2.58M |
| July 15, 2026 | 1.92 | 1.92 | 1.92 | 1.97 | 1.9 | 897,368 |
| July 14, 2026 | 1.95 | 1.93 | 1.93 | 1.98 | 1.9 | 837,577 |
| July 13, 2026 | 2.03 | 1.93 | 1.93 | 2.06 | 1.9 | 1.38M |
| July 10, 2026 | 2.28 | 2.07 | 2.07 | 2.29 | 2.06 | 1.23M |
| July 09, 2026 | 2.14 | 2.3 | 2.3 | 2.31 | 2.06 | 2.08M |
| July 08, 2026 | 2.22 | 2.13 | 2.13 | 2.24 | 2.07 | 3.09M |
| July 07, 2026 | 2.28 | 2.23 | 2.23 | 2.35 | 2.19 | 2.14M |
| July 06, 2026 | 2.25 | 2.28 | 2.28 | 2.36 | 2.21 | 1.2M |
| July 02, 2026 | 2.41 | 2.27 | 2.27 | 2.53 | 2.25 | 2.12M |
| July 01, 2026 | 2.13 | 2.43 | 2.43 | 2.53 | 2.11 | 3.42M |
| June 30, 2026 | 2.05 | 2.13 | 2.13 | 2.16 | 2.05 | 2.18M |
| June 29, 2026 | 1.84 | 2.05 | 2.05 | 2.09 | 1.82 | 1.97M |
| June 26, 2026 | 1.82 | 1.83 | 1.83 | 1.88 | 1.71 | 6.08M |
| June 25, 2026 | 1.94 | 1.8 | 1.8 | 1.96 | 1.76 | 2.05M |
| June 24, 2026 | 2.06 | 1.9 | 1.9 | 2.09 | 1.85 | 2.12M |
| June 23, 2026 | 2 | 2.02 | 2.02 | 2.21 | 2 | 2.43M |
| June 22, 2026 | 1.95 | 2.05 | 2.05 | 2.15 | 1.95 | 1.69M |
| June 18, 2026 | 1.87 | 1.96 | 1.96 | 1.99 | 1.87 | 2.18M |
| June 17, 2026 | 1.77 | 1.83 | 1.83 | 1.92 | 1.77 | 1.29M |
| June 16, 2026 | 1.77 | 1.78 | 1.78 | 1.84 | 1.75 | 926,922 |
| June 15, 2026 | 1.81 | 1.76 | 1.76 | 1.83 | 1.74 | 616,579 |
| June 12, 2026 | 1.71 | 1.76 | 1.76 | 1.78 | 1.7 | 829,671 |
| June 11, 2026 | 1.68 | 1.71 | 1.71 | 1.73 | 1.66 | 1.18M |
| June 10, 2026 | 1.71 | 1.69 | 1.69 | 1.8 | 1.65 | 903,044 |
| June 09, 2026 | 1.76 | 1.72 | 1.72 | 1.83 | 1.68 | 961,287 |
| June 08, 2026 | 1.83 | 1.74 | 1.74 | 1.97 | 1.73 | 1.77M |
| June 05, 2026 | 1.76 | 1.63 | 1.63 | 1.76 | 1.62 | 0 |
| June 04, 2026 | 1.86 | 1.76 | 1.76 | 1.93 | 1.75 | 1.06M |
| June 03, 2026 | 1.64 | 1.86 | 1.86 | 1.87 | 1.59 | 2M |
| June 02, 2026 | 1.67 | 1.64 | 1.64 | 1.69 | 1.58 | 959,473 |
| June 01, 2026 | 1.74 | 1.66 | 1.66 | 1.74 | 1.62 | 778,976 |
| May 29, 2026 | 1.74 | 1.75 | 1.75 | 1.75 | 1.67 | 576,378 |
| May 28, 2026 | 1.71 | 1.75 | 1.75 | 1.79 | 1.69 | 1.22M |
| May 27, 2026 | 1.75 | 1.71 | 1.71 | 1.78 | 1.68 | 883,118 |