Aldeyra Therapeutics, Inc. - Common Stock (NQ:ALDX)
Price and Volume
Detailed Quote| Volume | 7,027,896 |
| Open | 1.180 |
| Bid (Size) | 0.9400 (500) |
| Ask (Size) | 0.9600 (5,500) |
| Prev. Close | 1.170 |
| Today's Range | 0.8976 - 1.185 |
| 52wk Range | 0.8976 - 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
84.4% below 52-week high
0.9237
0.9052W Low
5.9352W High
1 Week
35.9% below 1-week high
0.901W Low
1.441W High
Aldeyra Therapeutics, Inc. - Common Stock (ALDX) traded between $0.90 and $5.93 over the past 52 weeks and last traded at $0.92, 84.4% below its 52-week high. Over the past week it ranged between $0.90 and $1.44.
Past 12 Months
1W
-$0.40
1M
-$0.62
3M
-$1.36
6M
-$0.62
YTD
-$3.75
1Y
-$4.59
ALDX was -83.2% over the past year, -40.0% over six months, -80.2% year to date, -30.0% in the last week.
12 Months vs Market
ALDX
-83.2%
DIA
+9.7%
SPY
+15.4%
QQQ
+24.4%
IWM
+14.8%
Over the past 12 months ALDX returned -83.2% versus DIA (Dow) +9.7%, SPY (S&P 500) +15.4%, QQQ (Nasdaq 100) +24.4% and IWM (Russell 2000) +14.8%.
Volume & Liquidity
6.24× 3-mo avg
Today 7,027,896
3-mo avg 1.1M
1W
3.5M
1M
1.4M
3M
1.1M
6M
1.3M
YTD
1.8M
1Y
1.6M
ALDX most recently traded 7,027,896 shares against a 3-month average daily volume of 1.1M.
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 0.9237
When was Aldeyra Therapeutics, Inc. - Common Stock last traded?
The last trade of Aldeyra Therapeutics, Inc. - Common Stock was at 10/05/26 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 54.11M
How many shares of Aldeyra Therapeutics, Inc. - Common Stock are outstanding?
Aldeyra Therapeutics, Inc. - Common Stock has 54M shares outstanding.