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Aldeyra Therapeutics, Inc.

ALDXNASDAQHealthcareBiotechnology

$0.64Today:- (-)1Y −87.54%

As of Oct 27, 2026 close

Market cap
$38.68M
P/E (TTM)
-
Forward P/E
-
Dividend yield
-
52-week range
$0.65$5.93
Volume (live)
-
Avg. volume (3M)
1.62M

Aldeyra Therapeutics (ALDX) Historical Stock Prices

Analyze Aldeyra Therapeutics (ALDX) historical stock prices with comprehensive OHLC data, adjusted close prices, and daily trading volume. Access interactive price charts and detailed historical price data across multiple timeframes including daily, weekly, monthly, and yearly intervals for complete price history analysis.

Aldeyra Therapeutics (ALDX) Interactive Price Chart

Interactive historical price chart showing Aldeyra Therapeutics stock price movements and trends across multiple time periods.

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ALDX Historical Price Data Table

Complete historical stock price data with OHLC prices, adjusted close, and daily trading volume. Filter by time interval and date range for detailed price history analysis.

Filter Historical Data

Active filters: 6 Months · Daily126 records
Showing 1-50 of 126
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ALDX historical price data table with daily, weekly, monthly, quarterly, and yearly trading intervals. Track Open, High, Low, Close, Adjusted Close prices, and trading volume to analyze price trends, technical patterns, and market activity for comprehensive price history analysis.
DateOpenHighLowCloseAdj CloseVolume
Oct 27, 20260.630.670.620.640.64991.81K
Oct 26, 20260.660.670.630.640.64786.36K
Oct 23, 20260.630.650.600.650.65821.84K
Oct 22, 20260.670.730.630.650.65717.82K
Oct 21, 20260.740.750.660.670.67606.57K
Oct 20, 20260.650.750.650.730.731.65M
Oct 19, 20260.700.720.660.670.67861.77K
Oct 16, 20260.740.740.650.700.701.81M
Oct 15, 20260.770.800.730.740.741.23M
Oct 14, 20260.880.900.790.790.791.58M
Oct 13, 20260.890.910.870.900.901.46M
Oct 12, 20260.920.940.880.910.911.34M
Oct 9, 20260.940.970.920.920.92699.27K
Oct 8, 20260.960.970.910.950.951.18M
Oct 7, 20260.910.970.880.960.961.29M
Oct 6, 20260.950.990.860.920.928.23M
Oct 5, 20261.181.190.900.920.927.03M
Oct 2, 20261.311.311.151.171.172.28M
Oct 1, 20261.261.301.201.291.291.21M
Sep 30, 20261.341.351.221.231.231.65M
Sep 29, 20261.171.441.161.321.325.46M
Sep 28, 20261.181.221.151.161.161.02M
Sep 25, 20261.231.281.201.211.21644.93K
Sep 24, 20261.351.351.221.221.22838.70K
Sep 23, 20261.401.401.331.351.35633.73K
Sep 22, 20261.371.401.351.401.40429.89K
Sep 21, 20261.371.391.321.351.35495.07K
Sep 18, 20261.401.401.341.361.36367.72K
Sep 17, 20261.391.441.371.381.38394.92K
Sep 16, 20261.381.401.351.371.37791.86K
Sep 15, 20261.451.451.341.371.37833.61K
Sep 14, 20261.351.491.351.461.461.17M
Sep 11, 20261.481.481.331.341.341.57M
Sep 10, 20261.481.501.461.461.46552.54K
Sep 9, 20261.531.531.501.501.50544.21K
Sep 8, 20261.471.551.471.541.54721.82K
Sep 4, 20261.471.491.461.481.48486.18K
Sep 3, 20261.481.511.461.481.48568.93K
Sep 2, 20261.511.541.461.491.49498.45K
Sep 1, 20261.461.501.461.491.49462.87K
Aug 31, 20261.511.511.471.481.48495.39K
Aug 28, 20261.521.561.481.491.49547.98K
Aug 27, 20261.571.581.521.541.54277.45K
Aug 26, 20261.541.571.521.561.56478.95K
Aug 25, 20261.521.561.501.551.55447.17K
Aug 24, 20261.531.541.461.521.52531.99K
Aug 21, 20261.501.591.481.521.521.10M
Aug 20, 20261.571.571.501.501.50942.95K
Aug 19, 20261.591.601.541.581.58982.20K
Aug 18, 20261.541.591.501.551.55703.03K
Show:
of 126

Source: Daily price history (open, high, low, close and volume). Data as of Oct 27, 2026. Data sources and methodology

Understanding Historical Stock Price Data & OHLC Metrics

Open Price
The price at which the stock opened for trading at the start of the trading session.
High Price
The highest price at which the stock traded during the trading session.
Low Price
The lowest price at which the stock traded during the trading session.
Close Price
The final price when trading closed for the session.
Adjusted Close Price
The closing price adjusted for corporate actions such as dividends, stock splits, and rights offerings. Used for accurate long-term historical price analysis and return calculations.
Volume
The total number of shares traded during the session, indicating trading activity and liquidity.