Aldeyra Therapeutics, Inc. (ALDX)
NASDAQ: ALDX · Real-Time Price · USD
1.830
+0.030 (1.67%)
At close: Jun 26, 2026, 4:00 PM EDT
1.825
-0.005 (-0.28%)
After-hours: Jun 26, 2026, 6:29 PM EDT
Aldeyra Therapeutics Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Jun 26, 2026 | 1.82 | 1.88 | 1.71 | 1.83 | 1.83 | 1.67% | 6,056,443 |
| Jun 25, 2026 | 1.94 | 1.96 | 1.76 | 1.80 | 1.80 | -5.26% | 2,044,912 |
| Jun 24, 2026 | 2.06 | 2.09 | 1.85 | 1.90 | 1.90 | -5.94% | 2,115,504 |
| Jun 23, 2026 | 2.00 | 2.21 | 2.00 | 2.02 | 2.02 | -1.46% | 2,433,823 |
| 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 |
| Apr 9, 2026 | 1.57 | 1.63 | 1.52 | 1.59 | 1.59 | 1.27% | 2,649,052 |
| Apr 8, 2026 | 1.59 | 1.62 | 1.55 | 1.57 | 1.57 | 3.29% | 1,333,567 |
| Apr 7, 2026 | 1.51 | 1.56 | 1.48 | 1.52 | 1.52 | -1.30% | 1,303,556 |
| Apr 6, 2026 | 1.66 | 1.66 | 1.52 | 1.54 | 1.54 | -7.23% | 2,049,474 |
| Apr 2, 2026 | 1.69 | 1.72 | 1.63 | 1.66 | 1.66 | -1.19% | 1,820,469 |
| Apr 1, 2026 | 1.71 | 1.87 | 1.68 | 1.68 | 1.68 | -0.59% | 4,706,033 |
| Mar 31, 2026 | 1.73 | 1.81 | 1.67 | 1.69 | 1.69 | 0.60% | 2,395,440 |
| Mar 30, 2026 | 1.76 | 1.78 | 1.68 | 1.68 | 1.68 | -5.08% | 1,900,482 |
| Mar 27, 2026 | 1.81 | 1.84 | 1.76 | 1.77 | 1.77 | -3.80% | 2,608,689 |
| Mar 26, 2026 | 1.81 | 1.88 | 1.73 | 1.84 | 1.84 | -0.54% | 2,979,778 |
| Mar 25, 2026 | 1.98 | 2.02 | 1.76 | 1.85 | 1.85 | -1.07% | 4,540,654 |
| Mar 24, 2026 | 2.25 | 2.33 | 1.86 | 1.87 | 1.87 | -16.14% | 7,333,281 |
| Mar 23, 2026 | 1.88 | 2.32 | 1.83 | 2.23 | 2.23 | 23.20% | 7,071,638 |
| Mar 20, 2026 | 1.93 | 2.03 | 1.79 | 1.81 | 1.81 | -1.09% | 10,645,121 |
| Mar 19, 2026 | 1.39 | 1.85 | 1.37 | 1.83 | 1.83 | 28.87% | 12,004,883 |
| Mar 18, 2026 | 1.20 | 1.56 | 1.16 | 1.42 | 1.42 | 14.52% | 16,700,916 |
| Mar 17, 2026 | 1.12 | 1.51 | 1.07 | 1.24 | 1.24 | -70.69% | 52,525,616 |
| Mar 16, 2026 | 4.38 | 4.45 | 4.07 | 4.23 | 4.23 | 2.55% | 3,732,771 |
| Mar 13, 2026 | 4.69 | 4.72 | 4.01 | 4.13 | 4.13 | -11.67% | 3,399,683 |
| Mar 12, 2026 | 4.99 | 4.99 | 4.52 | 4.67 | 4.67 | -5.47% | 2,066,158 |
| Mar 11, 2026 | 5.10 | 5.10 | 4.74 | 4.94 | 4.94 | -1.40% | 1,627,811 |
| Mar 10, 2026 | 5.35 | 5.60 | 4.98 | 5.01 | 5.01 | -4.75% | 1,610,445 |
| Mar 9, 2026 | 4.80 | 5.30 | 4.75 | 5.26 | 5.26 | 9.58% | 1,376,578 |
| Mar 6, 2026 | 4.60 | 4.88 | 4.41 | 4.80 | 4.80 | 3.23% | 1,215,734 |
| Mar 5, 2026 | 5.12 | 5.12 | 4.37 | 4.65 | 4.65 | -10.49% | 2,609,190 |
| Mar 4, 2026 | 5.18 | 5.40 | 5.15 | 5.20 | 5.20 | 1.66% | 765,482 |
| Mar 3, 2026 | 5.50 | 5.52 | 5.06 | 5.11 | 5.11 | -9.07% | 871,611 |
| Mar 2, 2026 | 5.40 | 5.74 | 5.32 | 5.62 | 5.62 | 2.93% | 881,413 |
| Feb 27, 2026 | 5.46 | 5.50 | 5.31 | 5.46 | 5.46 | -0.73% | 1,016,249 |
| Feb 26, 2026 | 5.47 | 5.54 | 5.35 | 5.50 | 5.50 | 0.18% | 939,722 |
| Feb 25, 2026 | 5.24 | 5.62 | 5.21 | 5.49 | 5.49 | 5.37% | 1,267,217 |
| Feb 24, 2026 | 4.97 | 5.34 | 4.96 | 5.21 | 5.21 | 4.41% | 1,045,646 |
| Feb 23, 2026 | 4.91 | 5.10 | 4.85 | 4.99 | 4.99 | 0.81% | 436,485 |
| Feb 20, 2026 | 5.02 | 5.08 | 4.91 | 4.95 | 4.95 | -2.56% | 483,370 |
| Feb 19, 2026 | 5.01 | 5.13 | 4.92 | 5.08 | 5.08 | 1.20% | 727,074 |
| Feb 18, 2026 | 5.15 | 5.19 | 4.91 | 5.02 | 5.02 | -2.52% | 660,070 |
| Feb 17, 2026 | 5.24 | 5.35 | 5.13 | 5.15 | 5.15 | -2.46% | 599,399 |
| Feb 13, 2026 | 5.29 | 5.44 | 5.15 | 5.28 | 5.28 | 0.57% | 831,703 |
| Feb 12, 2026 | 5.35 | 5.56 | 5.16 | 5.25 | 5.25 | -1.32% | 1,067,851 |
| Feb 11, 2026 | 5.50 | 5.52 | 5.28 | 5.32 | 5.32 | -2.92% | 910,701 |
| Feb 10, 2026 | 5.57 | 5.67 | 5.45 | 5.48 | 5.48 | -1.44% | 588,434 |
| Feb 9, 2026 | 5.53 | 5.66 | 5.41 | 5.56 | 5.56 | 0.54% | 365,196 |
| Feb 6, 2026 | 5.21 | 5.61 | 5.15 | 5.53 | 5.53 | 8.64% | 974,062 |
| Feb 5, 2026 | 5.19 | 5.44 | 5.08 | 5.09 | 5.09 | -2.49% | 607,476 |
| Feb 4, 2026 | 5.45 | 5.48 | 4.92 | 5.22 | 5.22 | -3.51% | 935,781 |
| Feb 3, 2026 | 5.45 | 5.60 | 5.31 | 5.41 | 5.41 | -0.37% | 556,486 |