Aldeyra Therapeutics, Inc. - Common Stock (NQ:ALDX)
Price and Volume
Detailed Quote| Volume | 821,845 |
| Open | 0.6300 |
| Bid (Size) | 0.6211 (2,000) |
| Ask (Size) | 0.6600 (5,000) |
| Prev. Close | 0.6453 |
| Today's Range | 0.6035 - 0.6544 |
| 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
89.0% below 52-week high
0.6497
0.6052W Low
5.9352W High
1 Week
13.4% 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 $0.65, 89.0% below its 52-week high. Over the past week it ranged between $0.60 and $0.75.
Past 12 Months
1W
-$0.02
1M
-$0.70
3M
-$0.87
6M
-$0.90
YTD
-$4.02
1Y
-$4.53
ALDX was -87.5% over the past year, -58.1% over six months, -86.1% year to date, -2.3% in the last week.
12 Months vs Market
ALDX
-87.5%
DIA
+11.6%
SPY
+13.1%
QQQ
+15.4%
IWM
+11.9%
Over the past 12 months ALDX returned -87.5% versus DIA (Dow) +11.6%, SPY (S&P 500) +13.1%, QQQ (Nasdaq 100) +15.4% and IWM (Russell 2000) +11.9%.
Volume & Liquidity
0.71× 3-mo avg
Today 821,845
3-mo avg 1.2M
1W
929.1K
1M
1.9M
3M
1.2M
6M
1.3M
YTD
1.8M
1Y
1.6M
ALDX most recently traded 821,845 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 0.6497
When was Aldeyra Therapeutics, Inc. - Common Stock last traded?
The last trade of Aldeyra Therapeutics, Inc. - Common Stock was at 10/23/26 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 38.06M
How many shares of Aldeyra Therapeutics, Inc. - Common Stock are outstanding?
Aldeyra Therapeutics, Inc. - Common Stock has 38M shares outstanding.