Aldeyra Therapeutics, Inc. - Common Stock (NQ:ALDX)Price and VolumeDetailed Quote
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What's going on in today's after hours session ↗
September 29, 2026
Performance
52-Week Range
90.1% below 52-week high
0.5896
0.5352W Low
5.9352W High
1 Week
18.0% below 1-week high
0.531W Low
0.721W High
Aldeyra Therapeutics, Inc. - Common Stock (ALDX) traded between $0.53 and $5.93 over the past 52 weeks and last traded at $0.59, 90.1% below its 52-week high. Over the past week it ranged between $0.53 and $0.72.
Past 12 Months
1W
-$0.05
1M
-$0.33
3M
-$0.94
6M
-$1.03
YTD
-$4.08
1Y
-$4.64
ALDX was -88.7% over the past year, -63.6% over six months, -87.4% year to date, -8.0% in the last week.
12 Months vs Market
ALDX
DIA
SPY
QQQ
IWM
Over the past 12 months ALDX returned -88.7% versus DIA (Dow) +9.4%, SPY (S&P 500) +10.6%, QQQ (Nasdaq 100) +8.7% and IWM (Russell 2000) +14.8%.
Volume & Liquidity
0.20× 3-mo avg
Today 225,502
3-mo avg 1.2M
1W
1M
3M
6M
YTD
1Y
ALDX most recently traded 225,502 shares against a 3-month average daily volume of 1.2M. More NewsRead More
Aldeyra Therapeutics to Host Regulatory Update Webcast
September 28, 2026
These stocks are gapping in today's session ↗
June 08, 2026
Frequently Asked QuestionsIs Aldeyra Therapeutics, Inc. - Common Stock publicly traded?
Yes, Aldeyra Therapeutics, Inc. - Common Stock is publicly traded.
What exchange does Aldeyra Therapeutics, Inc. - Common Stock trade on?
Aldeyra Therapeutics, Inc. - Common Stock trades on the Nasdaq Stock Market
What is the ticker symbol for Aldeyra Therapeutics, Inc. - Common Stock?
The ticker symbol for Aldeyra Therapeutics, Inc. - Common Stock is ALDX on the Nasdaq Stock Market
What is the current price of Aldeyra Therapeutics, Inc. - Common Stock?
The current price of Aldeyra Therapeutics, Inc. - Common Stock is 0.5896
When was Aldeyra Therapeutics, Inc. - Common Stock last traded?
The last trade of Aldeyra Therapeutics, Inc. - Common Stock was at 11/03/26 10:54 AM ET
What is the market capitalization of Aldeyra Therapeutics, Inc. - Common Stock?
The market capitalization of Aldeyra Therapeutics, Inc. - Common Stock is 34.54M
How many shares of Aldeyra Therapeutics, Inc. - Common Stock are outstanding?
Aldeyra Therapeutics, Inc. - Common Stock has 35M shares outstanding.
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