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

0.6846 -0.0527 (-7.15%)
Delayed Quote Updated: 9:38 AM EDT, Oct 16, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 528,042
Open 0.7400
Bid (Size) 0.6800 (200)
Ask (Size) 0.7090 (200)
Prev. Close 0.7373
Today's Range 0.6653 - 0.7400
52wk Range 0.7254 - 5.930
Shares Outstanding 58,576,350
Dividend Yield N/A

Performance

52-Week Range 88.5% below 52-week high
0.6846
0.7352W Low 5.9352W High
1 Week 29.4% 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 $0.68, 88.5% below its 52-week high. Over the past week it ranged between $0.73 and $0.97.

Past 12 Months
-25.3%
-50.0%
-60.2%
-62.0%
-85.3%
-87.9%
1W -$0.23
1M -$0.69
3M -$1.04
6M -$1.12
YTD -$3.99
1Y -$4.98

ALDX was -87.9% over the past year, -62.0% over six months, -85.3% year to date, -25.3% in the last week.

12 Months vs Market
ALDX
-87.9%
DIA
+13.2%
SPY
+16.1%
QQQ
+20.1%
IWM
+10.0%

Over the past 12 months ALDX returned -87.9% versus DIA (Dow) +13.2%, SPY (S&P 500) +16.1%, QQQ (Nasdaq 100) +20.1% and IWM (Russell 2000) +10.0%.

Volume & Liquidity 0.44× 3-mo avg
Today 528,042 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 528,042 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 0.6846
When was Aldeyra Therapeutics, Inc. - Common Stock last traded?
The last trade of Aldeyra Therapeutics, Inc. - Common Stock was at 10/16/26 09:38 AM ET
What is the market capitalization of Aldeyra Therapeutics, Inc. - Common Stock?
The market capitalization of Aldeyra Therapeutics, Inc. - Common Stock is 40.10M
How many shares of Aldeyra Therapeutics, Inc. - Common Stock are outstanding?
Aldeyra Therapeutics, Inc. - Common Stock has 40M shares outstanding.
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