Aldeyra Therapeutics, Inc. - Common Stock (NQ:ALDX)
Price and Volume
Detailed Quote| Volume | 6,268,309 |
| Open | 1.180 |
| Bid (Size) | 0.9412 (1,300) |
| Ask (Size) | 0.9433 (100) |
| Prev. Close | 1.170 |
| Today's Range | 0.8976 - 1.185 |
| 52wk Range | 1.070 - 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
84.1% below 52-week high
0.9427
1.0752W Low
5.9352W High
1 Week
34.5% below 1-week high
1.151W Low
1.441W High
Aldeyra Therapeutics, Inc. - Common Stock (ALDX) traded between $1.07 and $5.93 over the past 52 weeks and last traded at $0.94, 84.1% below its 52-week high. Over the past week it ranged between $1.15 and $1.44.
Past 12 Months
1W
-$0.22
1M
-$0.54
3M
-$1.34
6M
-$0.60
YTD
-$3.73
1Y
-$4.57
ALDX was -82.9% over the past year, -38.8% over six months, -79.8% year to date, -18.7% in the last week.
12 Months vs Market
ALDX
-82.9%
DIA
+9.9%
SPY
+15.5%
QQQ
+24.4%
IWM
+15.1%
Over the past 12 months ALDX returned -82.9% versus DIA (Dow) +9.9%, SPY (S&P 500) +15.5%, QQQ (Nasdaq 100) +24.4% and IWM (Russell 2000) +15.1%.
Volume & Liquidity
6.06× 3-mo avg
Today 6,268,309
3-mo avg 1.0M
1W
2.3M
1M
1.1M
3M
1.0M
6M
1.2M
YTD
1.8M
1Y
1.6M
ALDX most recently traded 6,268,309 shares against a 3-month average daily volume of 1.0M.
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 0.9427
When was Aldeyra Therapeutics, Inc. - Common Stock last traded?
The last trade of Aldeyra Therapeutics, Inc. - Common Stock was at 10/05/26 03:11 PM ET
What is the market capitalization of Aldeyra Therapeutics, Inc. - Common Stock?
The market capitalization of Aldeyra Therapeutics, Inc. - Common Stock is 55.22M
How many shares of Aldeyra Therapeutics, Inc. - Common Stock are outstanding?
Aldeyra Therapeutics, Inc. - Common Stock has 55M shares outstanding.