Aldeyra Therapeutics, Inc. (ALDX)
NASDAQ: ALDX · Real-Time Price · USD
1.780
-0.060 (-3.26%)
Mar 27, 2026, 10:20 AM EDT - Market open
Aldeyra Therapeutics Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Mar 27, 2026 | 1.81 | 1.84 | 1.80 | 1.82 | - | -1.09% | 194,599 |
| Mar 26, 2026 | 1.81 | 1.88 | 1.73 | 1.84 | 1.84 | -0.54% | 2,941,536 |
| Mar 25, 2026 | 1.98 | 2.02 | 1.76 | 1.85 | 1.85 | -1.07% | 4,508,504 |
| Mar 24, 2026 | 2.25 | 2.33 | 1.86 | 1.87 | 1.87 | -16.14% | 7,225,103 |
| Mar 23, 2026 | 1.88 | 2.32 | 1.83 | 2.23 | 2.23 | 23.20% | 7,043,522 |
| Mar 20, 2026 | 1.93 | 2.03 | 1.79 | 1.81 | 1.81 | -1.09% | 10,053,199 |
| Mar 19, 2026 | 1.39 | 1.85 | 1.37 | 1.83 | 1.83 | 28.87% | 11,726,577 |
| Mar 18, 2026 | 1.20 | 1.56 | 1.16 | 1.42 | 1.42 | 14.52% | 16,539,271 |
| Mar 17, 2026 | 1.12 | 1.51 | 1.07 | 1.24 | 1.24 | -70.69% | 51,460,436 |
| Mar 16, 2026 | 4.38 | 4.45 | 4.07 | 4.23 | 4.23 | 2.55% | 3,210,144 |
| Mar 13, 2026 | 4.69 | 4.72 | 4.01 | 4.13 | 4.13 | -11.67% | 3,359,212 |
| Mar 12, 2026 | 4.99 | 4.99 | 4.52 | 4.67 | 4.67 | -5.47% | 2,059,709 |
| Mar 11, 2026 | 5.10 | 5.10 | 4.74 | 4.94 | 4.94 | -1.40% | 1,618,380 |
| Mar 10, 2026 | 5.35 | 5.60 | 4.98 | 5.01 | 5.01 | -4.75% | 1,604,139 |
| Mar 9, 2026 | 4.80 | 5.30 | 4.75 | 5.26 | 5.26 | 9.58% | 1,364,005 |
| 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 |