Aldeyra Therapeutics, Inc. (ALDX)
NASDAQ: ALDX · Real-Time Price · USD
5.39
-0.17 (-3.06%)
At close: Sep 12, 2025, 4:00 PM EDT
5.52
+0.13 (2.41%)
After-hours: Sep 12, 2025, 6:44 PM EDT

Aldeyra Therapeutics Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Sep 12, 20255.565.625.385.395.39-3.06%661,034
Sep 11, 20255.545.835.495.565.560.36%734,933
Sep 10, 20255.815.885.485.545.54-3.82%613,480
Sep 9, 20255.705.775.625.765.761.05%1,012,596
Sep 8, 20255.545.805.425.705.702.52%673,238
Sep 5, 20255.565.705.395.565.560.54%1,063,073
Sep 4, 20255.825.885.505.535.53-5.15%1,550,263
Sep 3, 20255.695.935.655.835.831.39%514,291
Sep 2, 20255.825.915.725.755.75-1.54%452,144
Aug 29, 20255.865.915.695.845.84-0.34%453,359
Aug 28, 20255.916.185.845.865.860.17%995,768
Aug 27, 20255.875.895.745.855.85-0.68%476,119
Aug 26, 20255.815.925.755.895.892.08%521,689
Aug 25, 20255.825.895.685.775.77-0.69%561,896
Aug 22, 20255.896.055.665.815.81-1.19%1,026,475
Aug 21, 20255.575.975.565.885.884.44%884,392
Aug 20, 20255.595.685.505.635.630.54%501,378
Aug 19, 20255.445.735.345.605.602.94%1,185,061
Aug 18, 20255.435.655.385.445.440.93%739,004
Aug 15, 20255.315.405.255.395.391.70%913,416
Aug 14, 20255.295.415.215.305.30-1.30%574,598
Aug 13, 20255.375.495.285.375.370.19%869,020
Aug 12, 20255.305.495.275.365.362.10%830,609
Aug 11, 20255.265.375.045.255.25-0.19%1,033,343
Aug 8, 20255.165.324.995.265.261.74%1,314,032
Aug 7, 20255.285.315.085.175.17-0.96%606,579
Aug 6, 20255.185.295.055.225.221.16%715,815
Aug 5, 20255.075.234.995.165.161.57%1,274,506
Aug 4, 20254.905.234.805.085.085.61%1,041,052
Aug 1, 20254.904.924.234.814.81-3.61%1,511,276
Jul 31, 20255.065.154.944.994.99-1.19%780,217
Jul 30, 20255.145.355.005.055.05-0.79%965,979
Jul 29, 20255.305.325.025.095.09-4.32%1,220,635
Jul 28, 20255.155.375.125.325.322.90%904,745
Jul 25, 20255.425.475.135.175.17-4.96%1,755,343
Jul 24, 20255.535.625.395.445.44-1.63%979,947
Jul 23, 20255.395.625.375.535.533.17%880,566
Jul 22, 20255.395.405.215.365.36-0.56%937,737
Jul 21, 20255.375.475.245.395.39-1,436,566
Jul 18, 20255.175.665.155.395.397.16%1,773,504
Jul 17, 20255.205.414.885.035.03-2.52%1,928,583
Jul 16, 20255.005.184.945.165.163.82%717,843
Jul 15, 20255.055.094.814.974.97-0.80%1,175,370
Jul 14, 20254.665.044.645.015.017.74%1,220,585
Jul 11, 20254.744.814.554.654.65-3.12%1,383,108
Jul 10, 20254.504.924.444.804.806.19%1,410,924
Jul 9, 20254.404.604.344.524.524.39%1,754,980
Jul 8, 20254.384.444.124.334.33-0.46%1,099,539
Jul 7, 20254.264.434.164.354.351.16%908,729
Jul 3, 20254.024.344.004.304.307.50%757,113