Aldeyra Therapeutics, Inc. - Common Stock (NQ:ALDX)
Price and Volume
Detailed Quote| Volume | 417,845 |
| Open | 0.6040 |
| Bid (Size) | 0.6005 (1,300) |
| Ask (Size) | 0.6400 (6,100) |
| Prev. Close | 0.6360 |
| Today's Range | 0.5800 - 0.6434 |
| 52wk Range | 0.5271 - 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
89.4% below 52-week high
0.6291
0.5352W Low
5.9352W High
1 Week
12.4% below 1-week high
0.551W 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 $0.63, 89.4% below its 52-week high. Over the past week it ranged between $0.55 and $0.72.
Past 12 Months
1W
+$0.01
1M
-$0.28
3M
-$0.88
6M
-$1.13
YTD
-$4.04
1Y
-$4.50
ALDX was -87.7% over the past year, -64.3% over six months, -86.5% year to date, +1.4% in the last week.
12 Months vs Market
ALDX
-87.7%
DIA
+10.1%
SPY
+10.0%
QQQ
+8.3%
IWM
+15.0%
Over the past 12 months ALDX returned -87.7% versus DIA (Dow) +10.1%, SPY (S&P 500) +10.0%, QQQ (Nasdaq 100) +8.3% and IWM (Russell 2000) +15.0%.
Volume & Liquidity
0.37× 3-mo avg
Today 417,845
3-mo avg 1.1M
1W
720.6K
1M
959.3K
3M
1.1M
6M
1.2M
YTD
1.7M
1Y
1.6M
ALDX most recently traded 417,845 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 0.6291
When was Aldeyra Therapeutics, Inc. - Common Stock last traded?
The last trade of Aldeyra Therapeutics, Inc. - Common Stock was at 11/10/26 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 36.85M
How many shares of Aldeyra Therapeutics, Inc. - Common Stock are outstanding?
Aldeyra Therapeutics, Inc. - Common Stock has 37M shares outstanding.
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