Aldeyra Therapeutics, Inc. - Common Stock (NQ:ALDX)

0.7120 -0.0280 (-3.78%)
Delayed Quote Updated: 10:57 AM EDT, Oct 16, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 881,534
Open 0.7400
Bid (Size) 0.7048 (1,000)
Ask (Size) 0.7120 (200)
Prev. Close 0.7400
Today's Range 0.6501 - 0.7400
52wk Range 0.7254 - 5.930
Shares Outstanding 58,576,350
Dividend Yield N/A

Performance

52-Week Range 88.0% below 52-week high
0.7120
0.7352W Low 5.9352W High
1 Week 26.6% below 1-week high
0.731W Low 0.971W High

Aldeyra Therapeutics, Inc. - Common Stock (ALDX) traded between $0.73 and $5.93 over the past 52 weeks and last traded at $0.71, 88.0% below its 52-week high. Over the past week it ranged between $0.73 and $0.97.

Past 12 Months
-22.3%
-48.0%
-58.6%
-60.4%
-84.8%
-87.4%
1W -$0.20
1M -$0.66
3M -$1.01
6M -$1.09
YTD -$3.96
1Y -$4.95

ALDX was -87.4% over the past year, -60.4% over six months, -84.8% year to date, -22.3% in the last week.

12 Months vs Market
ALDX
-87.4%
DIA
+13.0%
SPY
+16.0%
QQQ
+19.8%
IWM
+9.6%

Over the past 12 months ALDX returned -87.4% versus DIA (Dow) +13.0%, SPY (S&P 500) +16.0%, QQQ (Nasdaq 100) +19.8% and IWM (Russell 2000) +9.6%.

Volume & Liquidity 0.74× 3-mo avg
Today 881,534 3-mo avg 1.2M
1W
1.3M
1M
1.8M
3M
1.2M
6M
1.3M
YTD
1.8M
1Y
1.6M

ALDX most recently traded 881,534 shares against a 3-month average daily volume of 1.2M.

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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 0.7120
When was Aldeyra Therapeutics, Inc. - Common Stock last traded?
The last trade of Aldeyra Therapeutics, Inc. - Common Stock was at 10/16/26 10:57 AM ET
What is the market capitalization of Aldeyra Therapeutics, Inc. - Common Stock?
The market capitalization of Aldeyra Therapeutics, Inc. - Common Stock is 41.71M
How many shares of Aldeyra Therapeutics, Inc. - Common Stock are outstanding?
Aldeyra Therapeutics, Inc. - Common Stock has 42M shares outstanding.
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