Aldeyra Therapeutics, Inc. - Common Stock (NQ:ALDX)
Price and Volume
Detailed Quote| Volume | 991,810 |
| Open | 0.6311 |
| Bid (Size) | 0.6271 (5,400) |
| Ask (Size) | 0.6509 (5,000) |
| Prev. Close | 0.6417 |
| Today's Range | 0.6203 - 0.6692 |
| 52wk Range | 0.6035 - 5.930 |
| Shares Outstanding | 58,576,350 |
| Dividend Yield | N/A |
Top News
More News
What's going on in today's after hours session ↗
September 29, 2026
Performance
52-Week Range
89.2% below 52-week high
0.6412
0.6052W Low
5.9352W High
1 Week
14.5% below 1-week high
0.601W Low
0.751W High
Aldeyra Therapeutics, Inc. - Common Stock (ALDX) traded between $0.60 and $5.93 over the past 52 weeks and last traded at $0.64, 89.2% below its 52-week high. Over the past week it ranged between $0.60 and $0.75.
Past 12 Months
1W
-$0.09
1M
-$0.52
3M
-$0.94
6M
-$0.94
YTD
-$4.03
1Y
-$4.59
ALDX was -87.7% over the past year, -59.4% over six months, -86.3% year to date, -12.7% in the last week.
12 Months vs Market
ALDX
-87.7%
DIA
+10.1%
SPY
+12.3%
QQQ
+14.8%
IWM
+11.9%
Over the past 12 months ALDX returned -87.7% versus DIA (Dow) +10.1%, SPY (S&P 500) +12.3%, QQQ (Nasdaq 100) +14.8% and IWM (Russell 2000) +11.9%.
Volume & Liquidity
0.86× 3-mo avg
Today 991,810
3-mo avg 1.2M
1W
914.0K
1M
2.0M
3M
1.2M
6M
1.3M
YTD
1.8M
1Y
1.6M
ALDX most recently traded 991,810 shares against a 3-month average daily volume of 1.2M.
More News
Read More
Aldeyra Therapeutics to Host Regulatory Update Webcast
September 28, 2026
These stocks are gapping in today's session ↗
June 08, 2026
Frequently Asked Questions
Is 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 0.6412
When was Aldeyra Therapeutics, Inc. - Common Stock last traded?
The last trade of Aldeyra Therapeutics, Inc. - Common Stock was at 10/27/26 04:00 PM ET
What is the market capitalization of Aldeyra Therapeutics, Inc. - Common Stock?
The market capitalization of Aldeyra Therapeutics, Inc. - Common Stock is 37.56M
How many shares of Aldeyra Therapeutics, Inc. - Common Stock are outstanding?
Aldeyra Therapeutics, Inc. - Common Stock has 38M shares outstanding.
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