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

0.6230 -0.0270 (-4.15%)
Delayed Quote Updated: 2:28 PM EDT, Oct 23, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 529,785
Open 0.6300
Bid (Size) 0.6230 (200)
Ask (Size) 0.6241 (300)
Prev. Close 0.6500
Today's Range 0.6035 - 0.6450
52wk Range 0.6278 - 5.930
Shares Outstanding 58,576,350
Dividend Yield N/A

Performance

52-Week Range 89.5% below 52-week high
0.6230
0.6352W Low 5.9352W High
1 Week 16.9% below 1-week high
0.631W Low 0.751W High

Aldeyra Therapeutics, Inc. - Common Stock (ALDX) traded between $0.63 and $5.93 over the past 52 weeks and last traded at $0.62, 89.5% below its 52-week high. Over the past week it ranged between $0.63 and $0.75.

Past 12 Months
-11.0%
-55.3%
-59.8%
-61.1%
-86.7%
-88.0%
1W -$0.08
1M -$0.77
3M -$0.93
6M -$0.98
YTD -$4.05
1Y -$4.57

ALDX was -88.0% over the past year, -61.1% over six months, -86.7% year to date, -11.0% in the last week.

12 Months vs Market
ALDX
-88.0%
DIA
+12.1%
SPY
+13.9%
QQQ
+16.5%
IWM
+13.3%

Over the past 12 months ALDX returned -88.0% versus DIA (Dow) +12.1%, SPY (S&P 500) +13.9%, QQQ (Nasdaq 100) +16.5% and IWM (Russell 2000) +13.3%.

Volume & Liquidity 0.45× 3-mo avg
Today 529,785 3-mo avg 1.2M
1W
1.1M
1M
1.9M
3M
1.2M
6M
1.3M
YTD
1.8M
1Y
1.6M

ALDX most recently traded 529,785 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 0.6230
When was Aldeyra Therapeutics, Inc. - Common Stock last traded?
The last trade of Aldeyra Therapeutics, Inc. - Common Stock was at 10/23/26 02:28 PM ET
What is the market capitalization of Aldeyra Therapeutics, Inc. - Common Stock?
The market capitalization of Aldeyra Therapeutics, Inc. - Common Stock is 36.49M
How many shares of Aldeyra Therapeutics, Inc. - Common Stock are outstanding?
Aldeyra Therapeutics, Inc. - Common Stock has 36M shares outstanding.
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