Aldeyra Therapeutics, Inc. (ALDX)
NASDAQ: ALDX · Real-Time Price · USD
5.07
+0.27 (5.63%)
Mar 9, 2026, 2:30 PM EDT - Market open
Aldeyra Therapeutics Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Mar 9, 2026 | 4.80 | 5.18 | 4.75 | 5.08 | - | 5.83% | 805,044 |
| Mar 6, 2026 | 4.60 | 4.88 | 4.41 | 4.80 | 4.80 | 3.23% | 1,211,740 |
| Mar 5, 2026 | 5.12 | 5.12 | 4.37 | 4.65 | 4.65 | -10.49% | 2,598,454 |
| Mar 4, 2026 | 5.18 | 5.40 | 5.15 | 5.20 | 5.20 | 1.66% | 764,616 |
| Mar 3, 2026 | 5.50 | 5.52 | 5.06 | 5.11 | 5.11 | -9.07% | 862,893 |
| Mar 2, 2026 | 5.40 | 5.74 | 5.32 | 5.62 | 5.62 | 2.93% | 879,091 |
| Feb 27, 2026 | 5.46 | 5.50 | 5.31 | 5.46 | 5.46 | -0.73% | 1,015,018 |
| Feb 26, 2026 | 5.47 | 5.54 | 5.35 | 5.50 | 5.50 | 0.18% | 937,240 |
| Feb 25, 2026 | 5.24 | 5.62 | 5.21 | 5.49 | 5.49 | 5.37% | 1,266,489 |
| Feb 24, 2026 | 4.97 | 5.34 | 4.96 | 5.21 | 5.21 | 4.41% | 1,043,803 |
| Feb 23, 2026 | 4.91 | 5.10 | 4.85 | 4.99 | 4.99 | 0.81% | 436,336 |
| Feb 20, 2026 | 5.02 | 5.08 | 4.91 | 4.95 | 4.95 | -2.56% | 468,354 |
| Feb 19, 2026 | 5.01 | 5.13 | 4.92 | 5.08 | 5.08 | 1.20% | 726,828 |
| Feb 18, 2026 | 5.15 | 5.19 | 4.91 | 5.02 | 5.02 | -2.52% | 659,662 |
| Feb 17, 2026 | 5.24 | 5.35 | 5.13 | 5.15 | 5.15 | -2.46% | 581,207 |
| Feb 13, 2026 | 5.29 | 5.44 | 5.15 | 5.28 | 5.28 | 0.57% | 829,703 |
| Feb 12, 2026 | 5.35 | 5.56 | 5.16 | 5.25 | 5.25 | -1.32% | 1,066,950 |
| Feb 11, 2026 | 5.50 | 5.52 | 5.28 | 5.32 | 5.32 | -2.92% | 906,014 |
| Feb 10, 2026 | 5.57 | 5.67 | 5.45 | 5.48 | 5.48 | -1.44% | 587,717 |
| Feb 9, 2026 | 5.53 | 5.66 | 5.41 | 5.56 | 5.56 | 0.54% | 365,063 |
| Feb 6, 2026 | 5.21 | 5.61 | 5.15 | 5.53 | 5.53 | 8.64% | 973,376 |
| Feb 5, 2026 | 5.19 | 5.44 | 5.08 | 5.09 | 5.09 | -2.49% | 600,771 |
| Feb 4, 2026 | 5.45 | 5.48 | 4.92 | 5.22 | 5.22 | -3.51% | 935,663 |
| Feb 3, 2026 | 5.45 | 5.60 | 5.31 | 5.41 | 5.41 | -0.37% | 556,405 |
| Feb 2, 2026 | 5.32 | 5.59 | 5.25 | 5.43 | 5.43 | 1.31% | 355,678 |
| Jan 30, 2026 | 5.45 | 5.93 | 5.27 | 5.36 | 5.36 | 0.75% | 742,805 |
| Jan 29, 2026 | 5.42 | 5.44 | 5.23 | 5.32 | 5.32 | -1.85% | 525,356 |
| Jan 28, 2026 | 5.55 | 5.55 | 5.37 | 5.42 | 5.42 | -2.17% | 595,658 |
| Jan 27, 2026 | 5.25 | 5.65 | 5.25 | 5.54 | 5.54 | 5.93% | 864,027 |
| Jan 26, 2026 | 5.16 | 5.31 | 5.05 | 5.23 | 5.23 | 0.77% | 620,218 |
| Jan 23, 2026 | 5.21 | 5.43 | 5.09 | 5.19 | 5.19 | -0.57% | 1,255,950 |
| Jan 22, 2026 | 5.01 | 5.39 | 4.97 | 5.22 | 5.22 | 4.61% | 957,271 |
| Jan 21, 2026 | 4.74 | 5.13 | 4.74 | 4.99 | 4.99 | 5.05% | 1,191,911 |
| Jan 20, 2026 | 4.52 | 4.83 | 4.39 | 4.75 | 4.75 | 2.59% | 1,020,030 |
| Jan 16, 2026 | 4.39 | 4.74 | 4.22 | 4.63 | 4.63 | 4.99% | 1,634,445 |
| Jan 15, 2026 | 4.28 | 4.45 | 4.20 | 4.41 | 4.41 | 4.01% | 834,972 |
| Jan 14, 2026 | 4.14 | 4.30 | 4.08 | 4.24 | 4.24 | 2.42% | 593,671 |
| Jan 13, 2026 | 4.15 | 4.16 | 3.96 | 4.14 | 4.14 | 0.24% | 517,836 |
| Jan 12, 2026 | 4.07 | 4.19 | 3.95 | 4.13 | 4.13 | 0.49% | 616,918 |
| Jan 9, 2026 | 4.24 | 4.33 | 4.01 | 4.11 | 4.11 | -1.67% | 643,442 |
| Jan 8, 2026 | 4.11 | 4.20 | 4.05 | 4.18 | 4.18 | 0.48% | 548,579 |
| Jan 7, 2026 | 4.08 | 4.27 | 4.06 | 4.16 | 4.16 | 2.46% | 882,540 |
| Jan 6, 2026 | 4.25 | 4.31 | 4.02 | 4.06 | 4.06 | -4.25% | 1,114,807 |
| Jan 5, 2026 | 4.70 | 4.76 | 4.14 | 4.24 | 4.24 | -9.21% | 1,210,906 |
| Jan 2, 2026 | 5.12 | 5.21 | 4.65 | 4.67 | 4.67 | -9.85% | 1,116,430 |
| Dec 31, 2025 | 5.17 | 5.26 | 5.11 | 5.18 | 5.18 | 0.58% | 554,173 |
| Dec 30, 2025 | 5.16 | 5.26 | 5.04 | 5.15 | 5.15 | -0.39% | 486,475 |
| Dec 29, 2025 | 5.26 | 5.31 | 5.13 | 5.17 | 5.17 | -2.64% | 418,150 |
| Dec 26, 2025 | 5.28 | 5.33 | 5.10 | 5.31 | 5.31 | 0.57% | 508,763 |
| Dec 24, 2025 | 5.05 | 5.35 | 4.98 | 5.28 | 5.28 | 4.55% | 401,062 |
| Dec 23, 2025 | 5.50 | 5.50 | 5.01 | 5.05 | 5.05 | -8.84% | 1,080,598 |
| Dec 22, 2025 | 4.94 | 5.75 | 4.90 | 5.54 | 5.54 | 11.69% | 1,455,473 |
| Dec 19, 2025 | 5.02 | 5.12 | 4.93 | 4.96 | 4.96 | -1.00% | 822,772 |
| Dec 18, 2025 | 5.27 | 5.68 | 5.00 | 5.01 | 5.01 | -4.57% | 1,768,138 |
| Dec 17, 2025 | 5.38 | 5.43 | 5.14 | 5.25 | 5.25 | -1.13% | 2,225,828 |
| Dec 16, 2025 | 3.95 | 5.42 | 3.94 | 5.31 | 5.31 | 33.08% | 8,519,562 |
| Dec 15, 2025 | 4.62 | 4.70 | 3.97 | 3.99 | 3.99 | -12.11% | 2,817,524 |
| Dec 12, 2025 | 4.59 | 4.91 | 4.51 | 4.54 | 4.54 | -1.09% | 1,301,542 |
| Dec 11, 2025 | 4.81 | 4.84 | 4.57 | 4.59 | 4.59 | -4.18% | 1,136,359 |
| Dec 10, 2025 | 4.77 | 4.81 | 4.68 | 4.79 | 4.79 | - | 838,365 |
| Dec 9, 2025 | 4.94 | 4.99 | 4.78 | 4.79 | 4.79 | -3.23% | 1,705,954 |
| Dec 8, 2025 | 4.75 | 5.04 | 4.75 | 4.95 | 4.95 | 5.32% | 1,267,147 |
| Dec 5, 2025 | 4.88 | 4.98 | 4.67 | 4.70 | 4.70 | -3.69% | 822,470 |
| Dec 4, 2025 | 4.89 | 5.02 | 4.81 | 4.88 | 4.88 | 0.21% | 895,135 |
| Dec 3, 2025 | 4.97 | 5.05 | 4.71 | 4.87 | 4.87 | - | 1,496,340 |
| Dec 2, 2025 | 5.22 | 5.25 | 4.84 | 4.87 | 4.87 | -7.06% | 1,680,709 |
| Dec 1, 2025 | 5.42 | 5.46 | 5.19 | 5.24 | 5.24 | -4.38% | 917,447 |
| Nov 28, 2025 | 5.60 | 5.68 | 5.45 | 5.48 | 5.48 | -1.97% | 626,822 |
| Nov 26, 2025 | 5.27 | 5.65 | 5.23 | 5.59 | 5.59 | 6.27% | 1,326,674 |
| Nov 25, 2025 | 5.25 | 5.35 | 5.18 | 5.26 | 5.26 | 0.57% | 1,115,820 |
| Nov 24, 2025 | 4.97 | 5.30 | 4.95 | 5.23 | 5.23 | 5.44% | 864,658 |
| Nov 21, 2025 | 4.71 | 5.07 | 4.70 | 4.96 | 4.96 | 4.86% | 647,708 |
| Nov 20, 2025 | 4.99 | 5.04 | 4.71 | 4.73 | 4.73 | -2.67% | 560,401 |
| Nov 19, 2025 | 4.89 | 4.93 | 4.73 | 4.86 | 4.86 | -1.02% | 504,589 |
| Nov 18, 2025 | 4.95 | 4.99 | 4.80 | 4.91 | 4.91 | -0.81% | 613,033 |
| Nov 17, 2025 | 5.05 | 5.14 | 4.85 | 4.95 | 4.95 | -1.98% | 622,206 |
| Nov 14, 2025 | 4.94 | 5.19 | 4.92 | 5.05 | 5.05 | 0.60% | 580,270 |
| Nov 13, 2025 | 5.27 | 5.27 | 4.99 | 5.02 | 5.02 | -5.28% | 705,503 |
| Nov 12, 2025 | 5.21 | 5.35 | 5.18 | 5.30 | 5.30 | 1.34% | 857,999 |
| Nov 11, 2025 | 5.13 | 5.29 | 5.00 | 5.23 | 5.23 | 1.95% | 526,358 |
| Nov 10, 2025 | 4.74 | 5.15 | 4.71 | 5.13 | 5.13 | 9.38% | 1,084,140 |
| Nov 7, 2025 | 4.81 | 4.84 | 4.53 | 4.69 | 4.69 | -2.49% | 644,864 |
| Nov 6, 2025 | 4.94 | 4.95 | 4.80 | 4.81 | 4.81 | -2.43% | 626,256 |
| Nov 5, 2025 | 4.92 | 5.01 | 4.84 | 4.93 | 4.93 | 0.20% | 370,370 |
| Nov 4, 2025 | 5.14 | 5.27 | 4.89 | 4.92 | 4.92 | -5.93% | 558,642 |
| Nov 3, 2025 | 5.07 | 5.24 | 5.04 | 5.23 | 5.23 | 3.16% | 639,694 |
| Oct 31, 2025 | 5.01 | 5.11 | 4.85 | 5.07 | 5.07 | 0.80% | 568,796 |
| Oct 30, 2025 | 5.01 | 5.15 | 4.90 | 5.03 | 5.03 | -0.49% | 1,045,790 |
| Oct 29, 2025 | 5.11 | 5.23 | 5.00 | 5.06 | 5.06 | -1.65% | 491,625 |
| Oct 28, 2025 | 5.13 | 5.35 | 4.70 | 5.14 | 5.14 | -1.72% | 1,259,662 |
| Oct 27, 2025 | 5.28 | 5.40 | 5.18 | 5.23 | 5.23 | -0.19% | 510,909 |
| Oct 24, 2025 | 5.25 | 5.29 | 5.18 | 5.24 | 5.24 | 1.16% | 310,370 |
| Oct 23, 2025 | 5.19 | 5.26 | 5.11 | 5.18 | 5.18 | -0.19% | 333,457 |
| Oct 22, 2025 | 5.49 | 5.52 | 5.06 | 5.19 | 5.19 | -5.81% | 759,890 |
| Oct 21, 2025 | 5.44 | 5.55 | 5.24 | 5.51 | 5.51 | 1.29% | 638,281 |
| Oct 20, 2025 | 5.34 | 5.46 | 5.26 | 5.44 | 5.44 | 3.42% | 585,050 |
| Oct 17, 2025 | 5.36 | 5.44 | 5.24 | 5.26 | 5.26 | -2.41% | 562,557 |
| Oct 16, 2025 | 5.72 | 5.79 | 5.39 | 5.39 | 5.39 | -4.77% | 602,186 |
| Oct 15, 2025 | 5.34 | 5.68 | 5.34 | 5.66 | 5.66 | 5.99% | 818,633 |
| Oct 14, 2025 | 5.18 | 5.36 | 5.12 | 5.34 | 5.34 | 1.71% | 393,034 |