Aldeyra Therapeutics, Inc. (ALDX)
NASDAQ: ALDX · Real-Time Price · USD
2.050
+0.090 (4.59%)
At close: Jun 22, 2026, 4:00 PM EDT
2.057
+0.007 (0.35%)
After-hours: Jun 22, 2026, 7:37 PM EDT
Aldeyra Therapeutics Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Jun 22, 2026 | 1.95 | 2.15 | 1.95 | 2.05 | 2.05 | 4.59% | 1,687,172 |
| Jun 18, 2026 | 1.87 | 1.99 | 1.87 | 1.96 | 1.96 | 7.10% | 2,178,420 |
| Jun 17, 2026 | 1.77 | 1.92 | 1.77 | 1.83 | 1.83 | 2.81% | 1,289,110 |
| Jun 16, 2026 | 1.77 | 1.84 | 1.75 | 1.78 | 1.78 | 1.14% | 923,585 |
| 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 |
| May 22, 2026 | 1.57 | 1.62 | 1.53 | 1.55 | 1.55 | -2.52% | 475,196 |
| May 21, 2026 | 1.52 | 1.59 | 1.51 | 1.59 | 1.59 | 2.58% | 629,147 |
| May 20, 2026 | 1.54 | 1.57 | 1.51 | 1.55 | 1.55 | 0.65% | 840,183 |
| May 19, 2026 | 1.58 | 1.58 | 1.52 | 1.54 | 1.54 | -3.75% | 710,755 |
| May 18, 2026 | 1.67 | 1.69 | 1.58 | 1.60 | 1.60 | -4.76% | 1,044,070 |
| May 15, 2026 | 1.63 | 1.71 | 1.60 | 1.68 | 1.68 | 1.20% | 1,313,808 |
| May 14, 2026 | 1.71 | 1.71 | 1.64 | 1.66 | 1.66 | -2.35% | 709,781 |
| May 13, 2026 | 1.70 | 1.72 | 1.65 | 1.70 | 1.70 | -0.58% | 1,331,330 |
| May 12, 2026 | 1.75 | 1.81 | 1.70 | 1.71 | 1.71 | -2.84% | 718,594 |
| May 11, 2026 | 1.72 | 1.77 | 1.71 | 1.76 | 1.76 | 1.73% | 713,242 |
| May 8, 2026 | 1.70 | 1.77 | 1.70 | 1.73 | 1.73 | - | 827,589 |
| May 7, 2026 | 1.73 | 1.75 | 1.69 | 1.73 | 1.73 | -0.57% | 646,040 |
| May 6, 2026 | 1.70 | 1.86 | 1.69 | 1.74 | 1.74 | 1.16% | 1,148,147 |
| May 5, 2026 | 1.63 | 1.73 | 1.59 | 1.72 | 1.72 | 6.17% | 1,046,285 |
| May 4, 2026 | 1.57 | 1.68 | 1.57 | 1.62 | 1.62 | 1.89% | 791,146 |
| May 1, 2026 | 1.52 | 1.60 | 1.51 | 1.59 | 1.59 | 4.61% | 751,391 |
| Apr 30, 2026 | 1.51 | 1.60 | 1.49 | 1.52 | 1.52 | 1.33% | 1,179,423 |
| Apr 29, 2026 | 1.55 | 1.59 | 1.47 | 1.50 | 1.50 | -4.46% | 706,296 |
| Apr 28, 2026 | 1.57 | 1.62 | 1.56 | 1.57 | 1.57 | -0.63% | 726,340 |
| Apr 27, 2026 | 1.54 | 1.60 | 1.52 | 1.58 | 1.58 | 1.94% | 1,198,234 |
| Apr 24, 2026 | 1.58 | 1.59 | 1.51 | 1.55 | 1.55 | -3.13% | 1,481,770 |
| Apr 23, 2026 | 1.70 | 1.70 | 1.57 | 1.60 | 1.60 | -5.88% | 1,510,644 |
| Apr 22, 2026 | 1.68 | 1.71 | 1.65 | 1.70 | 1.70 | 1.19% | 1,079,913 |
| Apr 21, 2026 | 1.79 | 1.84 | 1.67 | 1.68 | 1.68 | -5.62% | 1,583,120 |
| Apr 20, 2026 | 1.79 | 1.82 | 1.75 | 1.78 | 1.78 | -1.11% | 980,795 |
| Apr 17, 2026 | 1.81 | 1.86 | 1.79 | 1.80 | 1.80 | - | 1,303,764 |
| Apr 16, 2026 | 1.82 | 1.83 | 1.71 | 1.80 | 1.80 | -1.64% | 1,309,601 |
| Apr 15, 2026 | 1.80 | 1.87 | 1.77 | 1.83 | 1.83 | 2.23% | 1,825,261 |
| Apr 14, 2026 | 1.80 | 1.89 | 1.75 | 1.79 | 1.79 | -0.56% | 2,031,998 |
| Apr 13, 2026 | 1.72 | 1.84 | 1.70 | 1.80 | 1.80 | 1.12% | 1,489,107 |
| Apr 10, 2026 | 1.60 | 1.81 | 1.60 | 1.78 | 1.78 | 11.95% | 2,256,943 |