Aldeyra Therapeutics, Inc. - Common Stock (NQ:ALDX)
Price and Volume
Detailed Quote| Volume | 655,907 |
| Open | 0.8800 |
| Bid (Size) | 0.8251 (2,100) |
| Ask (Size) | 0.8299 (100) |
| Prev. Close | 0.9000 |
| Today's Range | 0.8201 - 0.8990 |
| 52wk Range | 0.8619 - 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
86.1% below 52-week high
0.8251
0.8652W Low
5.9352W High
1 Week
14.9% below 1-week high
0.871W Low
0.971W High
Aldeyra Therapeutics, Inc. - Common Stock (ALDX) traded between $0.86 and $5.93 over the past 52 weeks and last traded at $0.83, 86.1% below its 52-week high. Over the past week it ranged between $0.87 and $0.97.
Past 12 Months
1W
-$0.13
1M
-$0.63
3M
-$1.10
6M
-$0.96
YTD
-$3.84
1Y
-$4.42
ALDX was -84.3% over the past year, -53.9% over six months, -82.3% year to date, -13.9% in the last week.
12 Months vs Market
ALDX
-84.3%
DIA
+11.9%
SPY
+16.4%
QQQ
+21.9%
IWM
+11.6%
Over the past 12 months ALDX returned -84.3% versus DIA (Dow) +11.9%, SPY (S&P 500) +16.4%, QQQ (Nasdaq 100) +21.9% and IWM (Russell 2000) +11.6%.
Volume & Liquidity
0.56× 3-mo avg
Today 655,907
3-mo avg 1.2M
1W
1.2M
1M
1.8M
3M
1.2M
6M
1.3M
YTD
1.8M
1Y
1.6M
ALDX most recently traded 655,907 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 0.8251
When was Aldeyra Therapeutics, Inc. - Common Stock last traded?
The last trade of Aldeyra Therapeutics, Inc. - Common Stock was at 10/14/26 11:30 AM ET
What is the market capitalization of Aldeyra Therapeutics, Inc. - Common Stock?
The market capitalization of Aldeyra Therapeutics, Inc. - Common Stock is 48.33M
How many shares of Aldeyra Therapeutics, Inc. - Common Stock are outstanding?
Aldeyra Therapeutics, Inc. - Common Stock has 48M shares outstanding.
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