Aldeyra Therapeutics, Inc. (ALDX)
NASDAQ: ALDX · Real-Time Price · USD
1.600
+0.050 (3.23%)
At close: Aug 5, 2026, 4:00 PM EDT
1.600
0.00 (0.00%)
After-hours: Aug 5, 2026, 4:18 PM EDT
Aldeyra Therapeutics Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Aug 5, 2026 | 1.58 | 1.62 | 1.56 | 1.60 | - | 3.23% | 751,597 |
| Aug 4, 2026 | 1.52 | 1.60 | 1.50 | 1.55 | 1.55 | 1.31% | 975,407 |
| Aug 3, 2026 | 1.55 | 1.55 | 1.49 | 1.53 | 1.53 | -0.65% | 782,191 |
| Jul 31, 2026 | 1.62 | 1.63 | 1.52 | 1.54 | 1.54 | -3.75% | 576,123 |
| Jul 30, 2026 | 1.63 | 1.67 | 1.60 | 1.60 | 1.60 | -0.62% | 548,885 |
| Jul 29, 2026 | 1.58 | 1.63 | 1.53 | 1.61 | 1.61 | 1.90% | 745,504 |
| Jul 28, 2026 | 1.62 | 1.62 | 1.49 | 1.58 | 1.58 | -0.32% | 916,757 |
| Jul 27, 2026 | 1.53 | 1.61 | 1.53 | 1.59 | 1.59 | 4.28% | 1,232,250 |
| Jul 24, 2026 | 1.60 | 1.60 | 1.48 | 1.52 | 1.52 | -1.94% | 1,126,283 |
| Jul 23, 2026 | 1.70 | 1.72 | 1.54 | 1.55 | 1.55 | -8.82% | 1,414,587 |
| Jul 22, 2026 | 1.75 | 1.76 | 1.66 | 1.70 | 1.70 | -2.86% | 1,086,633 |
| Jul 21, 2026 | 1.71 | 1.78 | 1.69 | 1.75 | 1.75 | 2.94% | 1,107,716 |
| Jul 20, 2026 | 1.70 | 1.76 | 1.65 | 1.70 | 1.70 | 0.59% | 1,130,944 |
| Jul 17, 2026 | 1.70 | 1.74 | 1.65 | 1.69 | 1.69 | -1.74% | 1,170,611 |
| Jul 16, 2026 | 1.84 | 1.85 | 1.60 | 1.72 | 1.72 | -10.42% | 2,597,198 |
| Jul 15, 2026 | 1.92 | 1.97 | 1.90 | 1.92 | 1.92 | -0.52% | 913,096 |
| Jul 14, 2026 | 1.95 | 1.98 | 1.90 | 1.93 | 1.93 | - | 837,777 |
| Jul 13, 2026 | 2.03 | 2.06 | 1.90 | 1.93 | 1.93 | -6.76% | 1,377,465 |
| Jul 10, 2026 | 2.28 | 2.29 | 2.06 | 2.07 | 2.07 | -10.00% | 1,227,347 |
| Jul 9, 2026 | 2.14 | 2.31 | 2.06 | 2.30 | 2.30 | 7.98% | 2,084,733 |
| Jul 8, 2026 | 2.22 | 2.24 | 2.07 | 2.13 | 2.13 | -4.48% | 3,097,540 |
| Jul 7, 2026 | 2.28 | 2.35 | 2.19 | 2.23 | 2.23 | -2.19% | 2,137,101 |
| Jul 6, 2026 | 2.25 | 2.36 | 2.21 | 2.28 | 2.28 | 0.44% | 1,199,997 |
| Jul 2, 2026 | 2.41 | 2.53 | 2.25 | 2.27 | 2.27 | -6.58% | 2,118,631 |
| Jul 1, 2026 | 2.13 | 2.53 | 2.11 | 2.43 | 2.43 | 14.08% | 3,444,007 |
| Jun 30, 2026 | 2.05 | 2.16 | 2.05 | 2.13 | 2.13 | 3.90% | 2,185,263 |
| Jun 29, 2026 | 1.84 | 2.09 | 1.82 | 2.05 | 2.05 | 12.02% | 1,917,695 |
| Jun 26, 2026 | 1.82 | 1.88 | 1.71 | 1.83 | 1.83 | 1.67% | 6,078,839 |
| Jun 25, 2026 | 1.94 | 1.96 | 1.76 | 1.80 | 1.80 | -5.26% | 2,048,139 |
| Jun 24, 2026 | 2.06 | 2.09 | 1.85 | 1.90 | 1.90 | -5.94% | 2,126,028 |
| Jun 23, 2026 | 2.00 | 2.21 | 2.00 | 2.02 | 2.02 | -1.46% | 2,434,659 |
| Jun 22, 2026 | 1.95 | 2.15 | 1.95 | 2.05 | 2.05 | 4.59% | 1,690,764 |
| Jun 18, 2026 | 1.87 | 1.99 | 1.87 | 1.96 | 1.96 | 7.10% | 2,185,078 |
| Jun 17, 2026 | 1.77 | 1.92 | 1.77 | 1.83 | 1.83 | 2.81% | 1,289,179 |
| Jun 16, 2026 | 1.77 | 1.84 | 1.75 | 1.78 | 1.78 | 1.14% | 926,922 |
| Jun 15, 2026 | 1.81 | 1.83 | 1.74 | 1.76 | 1.76 | - | 627,229 |
| Jun 12, 2026 | 1.71 | 1.78 | 1.70 | 1.76 | 1.76 | 2.92% | 831,671 |
| Jun 11, 2026 | 1.68 | 1.73 | 1.66 | 1.71 | 1.71 | 1.18% | 1,199,804 |
| Jun 10, 2026 | 1.71 | 1.80 | 1.65 | 1.69 | 1.69 | -1.74% | 916,679 |
| Jun 9, 2026 | 1.76 | 1.83 | 1.68 | 1.72 | 1.72 | -1.15% | 961,301 |
| Jun 8, 2026 | 1.83 | 1.97 | 1.73 | 1.74 | 1.74 | 6.75% | 1,788,396 |
| Jun 5, 2026 | 1.76 | 1.76 | 1.62 | 1.63 | 1.63 | -7.39% | 981,456 |
| Jun 4, 2026 | 1.86 | 1.93 | 1.75 | 1.76 | 1.76 | -5.38% | 1,073,825 |
| Jun 3, 2026 | 1.64 | 1.87 | 1.59 | 1.86 | 1.86 | 13.41% | 2,027,713 |
| Jun 2, 2026 | 1.67 | 1.69 | 1.58 | 1.64 | 1.64 | -1.20% | 959,607 |
| Jun 1, 2026 | 1.74 | 1.74 | 1.62 | 1.66 | 1.66 | -5.14% | 786,618 |
| May 29, 2026 | 1.74 | 1.75 | 1.67 | 1.75 | 1.75 | - | 579,896 |
| May 28, 2026 | 1.71 | 1.79 | 1.69 | 1.75 | 1.75 | 2.34% | 1,222,119 |
| May 27, 2026 | 1.75 | 1.78 | 1.68 | 1.71 | 1.71 | -3.93% | 896,832 |
| May 26, 2026 | 1.54 | 1.78 | 1.53 | 1.78 | 1.78 | 14.84% | 1,975,913 |