NASDAQ : ALDX
Aldeyra Therapeutics, Inc. — Price history
Healthcare · Biotechnology · United States
Last price 0.5603 USD (Oct 30, 2026, 4:00 PM EDT) · Market cap 33.80M
Overview · Financial statements · Key statistics · Dividends · Company profile · Price history · Reports
Price history
Aldeyra Therapeutics, Inc. (ALDX) closed at 0.5301 USD on 2026-11-02. Daily open, high, low, close and volume for recent sessions:
| Date | Open | High | Low | Close | Volume | Change |
|---|---|---|---|---|---|---|
| 2026-11-02 | 0.5601 | 0.57 | 0.5271 | 0.5301 | 341,673 | -5.39% |
| 2026-10-30 | 0.67 | 0.68 | 0.5502 | 0.5603 | 896,566 | -14.99% |
| 2026-10-29 | 0.67 | 0.719 | 0.6556 | 0.6591 | 418,106 | -3.58% |
| 2026-10-28 | 0.64 | 0.6932 | 0.63 | 0.6836 | 727,578 | +6.61% |
| 2026-10-27 | 0.6311 | 0.6692 | 0.6203 | 0.6412 | 991,811 | -0.08% |
| 2026-10-26 | 0.6569 | 0.6698 | 0.6269 | 0.6417 | 786,362 | -1.23% |
| 2026-10-23 | 0.63 | 0.6544 | 0.6035 | 0.6497 | 821,842 | +0.68% |
| 2026-10-22 | 0.6704 | 0.7346 | 0.6278 | 0.6453 | 717,821 | -3.73% |
| 2026-10-21 | 0.7375 | 0.7499 | 0.6601 | 0.6703 | 606,565 | -8.72% |
| 2026-10-20 | 0.654 | 0.7484 | 0.6501 | 0.7343 | 1,650,613 | +10.40% |
| 2026-10-19 | 0.7042 | 0.72 | 0.656 | 0.6651 | 861,766 | -5.00% |
| 2026-10-16 | 0.74 | 0.74 | 0.6501 | 0.7001 | 1,810,462 | -5.05% |
| 2026-10-15 | 0.77 | 0.803 | 0.7254 | 0.7373 | 1,233,461 | -6.72% |
| 2026-10-14 | 0.88 | 0.899 | 0.7886 | 0.7904 | 1,578,462 | -12.16% |
| 2026-10-13 | 0.89 | 0.91 | 0.8652 | 0.8998 | 1,457,617 | -0.66% |
| 2026-10-12 | 0.92 | 0.94 | 0.882 | 0.9058 | 1,340,827 | -1.15% |
| 2026-10-09 | 0.9396 | 0.97 | 0.915 | 0.9163 | 699,271 | -3.31% |
| 2026-10-08 | 0.96 | 0.97 | 0.9124 | 0.9477 | 1,178,535 | -1.14% |
| 2026-10-07 | 0.91 | 0.9666 | 0.8812 | 0.9586 | 1,287,897 | +4.66% |
| 2026-10-06 | 0.95 | 0.99 | 0.8619 | 0.9159 | 8,234,451 | -0.84% |
| 2026-10-05 | 1.18 | 1.185 | 0.8976 | 0.9237 | 7,027,895 | -21.05% |
| 2026-10-02 | 1.31 | 1.31 | 1.15 | 1.17 | 2,278,805 | -9.30% |
| 2026-10-01 | 1.26 | 1.305 | 1.195 | 1.29 | 1,211,432 | +4.88% |
| 2026-09-30 | 1.34 | 1.35 | 1.22 | 1.23 | 1,651,522 | -6.82% |
| 2026-09-29 | 1.17 | 1.44 | 1.16 | 1.32 | 5,458,404 | +13.79% |
| 2026-09-28 | 1.18 | 1.22 | 1.15 | 1.16 | 1,020,512 | -3.73% |
| 2026-09-25 | 1.23 | 1.28 | 1.195 | 1.205 | 644,928 | -1.23% |
| 2026-09-24 | 1.35 | 1.35 | 1.22 | 1.22 | 838,696 | -9.63% |
| 2026-09-23 | 1.4 | 1.4 | 1.33 | 1.35 | 633,727 | -3.23% |
| 2026-09-22 | 1.37 | 1.4 | 1.351 | 1.395 | 429,894 | +3.33% |
| 2026-09-21 | 1.37 | 1.39 | 1.32 | 1.35 | 495,071 | -0.74% |
| 2026-09-18 | 1.4 | 1.4 | 1.345 | 1.36 | 367,724 | -1.45% |
| 2026-09-17 | 1.39 | 1.435 | 1.37 | 1.38 | 394,917 | +0.73% |
| 2026-09-16 | 1.38 | 1.4 | 1.355 | 1.37 | 791,858 | +0.00% |
| 2026-09-15 | 1.45 | 1.45 | 1.345 | 1.37 | 833,612 | -6.16% |
| 2026-09-14 | 1.35 | 1.49 | 1.348 | 1.46 | 1,168,295 | +8.96% |
| 2026-09-11 | 1.48 | 1.48 | 1.33 | 1.34 | 1,565,518 | -8.22% |
| 2026-09-10 | 1.48 | 1.505 | 1.46 | 1.46 | 552,536 | -2.67% |
| 2026-09-09 | 1.53 | 1.535 | 1.495 | 1.5 | 544,208 | -2.60% |
| 2026-09-08 | 1.47 | 1.55 | 1.47 | 1.54 | 721,817 | +4.05% |
| 2026-09-04 | 1.47 | 1.49 | 1.46 | 1.48 | 486,184 | +0.00% |
| 2026-09-03 | 1.48 | 1.511 | 1.46 | 1.48 | 568,928 | -0.67% |
| 2026-09-02 | 1.51 | 1.54 | 1.46 | 1.49 | 498,451 | +0.00% |
| 2026-09-01 | 1.46 | 1.5 | 1.455 | 1.49 | 462,867 | +0.68% |
| 2026-08-31 | 1.51 | 1.51 | 1.465 | 1.48 | 495,386 | -0.34% |
| 2026-08-28 | 1.52 | 1.56 | 1.48 | 1.485 | 547,980 | -3.57% |
| 2026-08-27 | 1.57 | 1.581 | 1.525 | 1.54 | 277,452 | -1.28% |
| 2026-08-26 | 1.54 | 1.575 | 1.52 | 1.56 | 478,954 | +0.65% |
| 2026-08-25 | 1.52 | 1.56 | 1.5 | 1.55 | 447,174 | +1.97% |
| 2026-08-24 | 1.53 | 1.545 | 1.46 | 1.52 | 531,986 | +0.00% |
| 2026-08-21 | 1.5 | 1.595 | 1.475 | 1.52 | 1,098,866 | +1.33% |
| 2026-08-20 | 1.57 | 1.575 | 1.495 | 1.5 | 942,950 | -5.06% |
| 2026-08-19 | 1.59 | 1.6 | 1.54 | 1.58 | 982,203 | +1.94% |
| 2026-08-18 | 1.54 | 1.595 | 1.505 | 1.55 | 703,029 | -0.64% |
| 2026-08-17 | 1.55 | 1.58 | 1.525 | 1.56 | 789,812 | +0.00% |
| 2026-08-14 | 1.49 | 1.57 | 1.445 | 1.56 | 830,980 | +8.33% |
| 2026-08-13 | 1.53 | 1.57 | 1.44 | 1.44 | 1,356,981 | -5.26% |
| 2026-08-12 | 1.51 | 1.58 | 1.5 | 1.52 | 939,365 | +0.66% |
| 2026-08-11 | 1.53 | 1.54 | 1.5 | 1.51 | 473,993 | +0.00% |
| 2026-08-10 | 1.55 | 1.565 | 1.51 | 1.51 | 867,622 | -2.58% |
| 2026-08-07 | 1.56 | 1.615 | 1.525 | 1.55 | 1,171,283 | -2.52% |
| 2026-08-06 | 1.6 | 1.615 | 1.53 | 1.59 | 579,204 | -0.63% |
| 2026-08-05 | 1.55 | 1.63 | 1.55 | 1.6 | 822,651 | +3.23% |
| 2026-08-04 | 1.52 | 1.6 | 1.5 | 1.55 | 975,855 | +1.31% |
| 2026-08-03 | 1.55 | 1.55 | 1.49 | 1.53 | 784,764 | -0.65% |
| 2026-07-31 | 1.62 | 1.63 | 1.52 | 1.54 | 576,807 | -3.75% |
| 2026-07-30 | 1.63 | 1.67 | 1.595 | 1.6 | 549,277 | -0.62% |
| 2026-07-29 | 1.58 | 1.63 | 1.53 | 1.61 | 745,504 | +1.90% |
| 2026-07-28 | 1.62 | 1.62 | 1.49 | 1.58 | 916,757 | -0.32% |
| 2026-07-27 | 1.53 | 1.61 | 1.53 | 1.585 | 1,232,250 | +4.28% |
| 2026-07-24 | 1.6 | 1.6 | 1.475 | 1.52 | 1,126,283 | -1.94% |
| 2026-07-23 | 1.7 | 1.72 | 1.54 | 1.55 | 1,414,587 | -8.82% |
| 2026-07-22 | 1.75 | 1.755 | 1.66 | 1.7 | 1,086,633 | -2.86% |
| 2026-07-21 | 1.71 | 1.78 | 1.69 | 1.75 | 1,107,716 | +2.94% |
| 2026-07-20 | 1.7 | 1.76 | 1.65 | 1.7 | 1,130,944 | +0.59% |
| 2026-07-17 | 1.7 | 1.74 | 1.65 | 1.69 | 1,170,611 | -1.74% |
| 2026-07-16 | 1.84 | 1.85 | 1.6 | 1.72 | 2,597,198 | -10.42% |
| 2026-07-15 | 1.92 | 1.965 | 1.9 | 1.92 | 913,096 | -0.52% |
| 2026-07-14 | 1.95 | 1.98 | 1.9 | 1.93 | 837,777 | +0.00% |
| 2026-07-13 | 2.03 | 2.06 | 1.9 | 1.93 | 1,377,465 | -6.76% |
| 2026-07-10 | 2.28 | 2.285 | 2.06 | 2.07 | 1,227,347 | -10.00% |
| 2026-07-09 | 2.14 | 2.31 | 2.06 | 2.3 | 2,084,733 | +7.98% |
| 2026-07-08 | 2.22 | 2.24 | 2.065 | 2.13 | 3,097,540 | -4.48% |
| 2026-07-07 | 2.28 | 2.35 | 2.19 | 2.23 | 2,137,101 | -2.19% |
| 2026-07-06 | 2.25 | 2.36 | 2.209 | 2.28 | 1,199,997 | +0.44% |
| 2026-07-02 | 2.41 | 2.53 | 2.25 | 2.27 | 2,118,631 | -6.58% |
| 2026-07-01 | 2.13 | 2.53 | 2.105 | 2.43 | 3,444,007 | +14.08% |
| 2026-06-30 | 2.05 | 2.16 | 2.05 | 2.13 | 2,185,263 | +3.90% |
| 2026-06-29 | 1.84 | 2.085 | 1.82 | 2.05 | 1,917,695 | +12.02% |
| 2026-06-26 | 1.82 | 1.88 | 1.71 | 1.83 | 6,078,839 | +1.67% |
| 2026-06-25 | 1.94 | 1.96 | 1.755 | 1.8 | 2,048,139 | -5.26% |
| 2026-06-24 | 2.06 | 2.09 | 1.845 | 1.9 | 2,126,028 | -5.94% |
| 2026-06-23 | 2 | 2.21 | 1.999 | 2.02 | 2,434,659 | -1.46% |
| 2026-06-22 | 1.95 | 2.15 | 1.95 | 2.05 | 1,690,764 | +4.59% |
| 2026-06-18 | 1.87 | 1.99 | 1.87 | 1.96 | 2,185,078 | +7.10% |
| 2026-06-17 | 1.77 | 1.92 | 1.77 | 1.83 | 1,289,179 | +2.81% |
| 2026-06-16 | 1.77 | 1.84 | 1.745 | 1.78 | 926,922 | +1.14% |
| 2026-06-15 | 1.81 | 1.833 | 1.74 | 1.76 | 627,229 | +0.00% |
| 2026-06-12 | 1.71 | 1.775 | 1.695 | 1.76 | 831,671 | +2.92% |
| 2026-06-11 | 1.68 | 1.73 | 1.66 | 1.71 | 1,199,804 | +1.18% |
| 2026-06-10 | 1.71 | 1.8 | 1.65 | 1.69 | 916,679 | -1.74% |
| 2026-06-09 | 1.76 | 1.83 | 1.68 | 1.72 | 961,301 | -1.15% |
| 2026-06-08 | 1.83 | 1.965 | 1.73 | 1.74 | 1,788,396 | +6.75% |
| 2026-06-05 | 1.76 | 1.76 | 1.615 | 1.63 | 981,456 | -7.39% |
| 2026-06-04 | 1.86 | 1.93 | 1.745 | 1.76 | 1,073,825 | -5.38% |
| 2026-06-03 | 1.64 | 1.87 | 1.59 | 1.86 | 2,027,713 | +13.41% |
| 2026-06-02 | 1.67 | 1.687 | 1.58 | 1.64 | 959,607 | -1.20% |
| 2026-06-01 | 1.74 | 1.74 | 1.62 | 1.66 | 786,618 | -5.14% |
| 2026-05-29 | 1.74 | 1.75 | 1.67 | 1.75 | 579,896 | +0.00% |
| 2026-05-28 | 1.71 | 1.79 | 1.69 | 1.75 | 1,222,119 | +2.34% |
| 2026-05-27 | 1.75 | 1.78 | 1.68 | 1.71 | 896,832 | -3.93% |
| 2026-05-26 | 1.54 | 1.78 | 1.53 | 1.78 | 1,975,913 | +14.84% |
| 2026-05-22 | 1.57 | 1.615 | 1.53 | 1.55 | 475,196 | -2.52% |
| 2026-05-21 | 1.52 | 1.59 | 1.51 | 1.59 | 629,147 | +2.58% |
| 2026-05-20 | 1.54 | 1.57 | 1.505 | 1.55 | 840,183 | +0.65% |
| 2026-05-19 | 1.58 | 1.58 | 1.52 | 1.54 | 710,755 | -3.75% |
| 2026-05-18 | 1.67 | 1.69 | 1.58 | 1.6 | 1,044,070 | -4.76% |
| 2026-05-15 | 1.63 | 1.705 | 1.6 | 1.68 | 1,313,808 | +1.20% |
| 2026-05-14 | 1.71 | 1.71 | 1.635 | 1.66 | 709,781 | -2.35% |
| 2026-05-13 | 1.7 | 1.72 | 1.65 | 1.7 | 1,331,330 | -0.58% |