Aldeyra Therapeutics, Inc. - Common Stock (NQ:ALDX)
Price and Volume
Detailed Quote| Volume | 638,984 |
| Open | 0.6700 |
| Bid (Size) | 0.5639 (300) |
| Ask (Size) | 0.5675 (1,000) |
| Prev. Close | 0.6591 |
| Today's Range | 0.5638 - 0.6800 |
| 52wk Range | 0.6035 - 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
90.5% below 52-week high
0.5639
0.6052W Low
5.9352W High
1 Week
21.6% below 1-week high
0.601W Low
0.721W High
Aldeyra Therapeutics, Inc. - Common Stock (ALDX) traded between $0.60 and $5.93 over the past 52 weeks and last traded at $0.56, 90.5% below its 52-week high. Over the past week it ranged between $0.60 and $0.72.
Past 12 Months
1W
-$0.09
1M
-$0.76
3M
-$1.04
6M
-$0.96
YTD
-$4.11
1Y
-$4.49
ALDX was -88.8% over the past year, -62.9% over six months, -87.9% year to date, -13.2% in the last week.
12 Months vs Market
ALDX
-88.8%
DIA
+8.3%
SPY
+9.6%
QQQ
+8.2%
IWM
+12.8%
Over the past 12 months ALDX returned -88.8% versus DIA (Dow) +8.3%, SPY (S&P 500) +9.6%, QQQ (Nasdaq 100) +8.2% and IWM (Russell 2000) +12.8%.
Volume & Liquidity
0.56× 3-mo avg
Today 638,984
3-mo avg 1.1M
1W
749.1K
1M
1.9M
3M
1.1M
6M
1.3M
YTD
1.8M
1Y
1.6M
ALDX most recently traded 638,984 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 0.5639
When was Aldeyra Therapeutics, Inc. - Common Stock last traded?
The last trade of Aldeyra Therapeutics, Inc. - Common Stock was at 10/30/26 03:44 PM ET
What is the market capitalization of Aldeyra Therapeutics, Inc. - Common Stock?
The market capitalization of Aldeyra Therapeutics, Inc. - Common Stock is 33.03M
How many shares of Aldeyra Therapeutics, Inc. - Common Stock are outstanding?
Aldeyra Therapeutics, Inc. - Common Stock has 33M shares outstanding.