Aldeyra Therapeutics, Inc. - Common Stock (NQ:ALDX)
Price and Volume
Detailed Quote| Volume | 699,272 |
| Open | 0.9400 |
| Bid (Size) | 0.9300 (4,900) |
| Ask (Size) | 0.9869 (500) |
| Prev. Close | 0.9477 |
| Today's Range | 0.9150 - 0.9700 |
| 52wk Range | 0.8619 - 5.930 |
| Shares Outstanding | 58,576,350 |
| Dividend Yield | N/A |
Top News
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What's going on in today's after hours session ↗
September 29, 2026
Performance
52-Week Range
84.5% below 52-week high
0.9163
0.8652W Low
5.9352W High
1 Week
22.7% below 1-week high
0.861W Low
1.191W High
Aldeyra Therapeutics, Inc. - Common Stock (ALDX) traded between $0.86 and $5.93 over the past 52 weeks and last traded at $0.92, 84.5% below its 52-week high. Over the past week it ranged between $0.86 and $1.19.
Past 12 Months
1W
-$0.01
1M
-$0.58
3M
-$1.15
6M
-$0.86
YTD
-$3.75
1Y
-$4.75
ALDX was -83.8% over the past year, -48.5% over six months, -80.4% year to date, -0.8% in the last week.
12 Months vs Market
ALDX
-83.8%
DIA
+11.4%
SPY
+16.0%
QQQ
+23.0%
IWM
+13.8%
Over the past 12 months ALDX returned -83.8% versus DIA (Dow) +11.4%, SPY (S&P 500) +16.0%, QQQ (Nasdaq 100) +23.0% and IWM (Russell 2000) +13.8%.
Volume & Liquidity
0.60× 3-mo avg
Today 699,272
3-mo avg 1.2M
1W
3.7M
1M
1.7M
3M
1.2M
6M
1.3M
YTD
1.8M
1Y
1.6M
ALDX most recently traded 699,272 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 0.9163
When was Aldeyra Therapeutics, Inc. - Common Stock last traded?
The last trade of Aldeyra Therapeutics, Inc. - Common Stock was at 10/09/26 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 53.67M
How many shares of Aldeyra Therapeutics, Inc. - Common Stock are outstanding?
Aldeyra Therapeutics, Inc. - Common Stock has 54M shares outstanding.