Daily Courier: Single Column

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

0.6651 UNCHANGED
Delayed Quote Updated: 4:00 PM EDT, Oct 19, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 2,309
Open 0.6651
Bid (Size) 0.2674 (100)
Ask (Size) 0.6651 (600)
Prev. Close 0.6651
Today's Range 0.6651 - 0.6651
52wk Range 0.6501 - 5.930
Shares Outstanding 58,576,350
Dividend Yield N/A

Performance

52-Week Range 88.8% below 52-week high
0.6651
0.6552W Low 5.9352W High
1 Week 26.9% below 1-week high
0.651W Low 0.911W High

Aldeyra Therapeutics, Inc. - Common Stock (ALDX) traded between $0.65 and $5.93 over the past 52 weeks and last traded at $0.67, 88.8% below its 52-week high. Over the past week it ranged between $0.65 and $0.91.

Past 12 Months
-26.1%
-50.7%
-60.9%
-62.6%
-85.8%
-87.8%
1W -$0.23
1M -$0.68
3M -$1.03
6M -$1.11
YTD -$4.00
1Y -$4.77

ALDX was -87.8% over the past year, -62.6% over six months, -85.8% year to date, -26.1% in the last week.

12 Months vs Market
ALDX
-87.8%
DIA
+11.1%
SPY
+14.2%
QQQ
+17.5%
IWM
+9.3%

Over the past 12 months ALDX returned -87.8% versus DIA (Dow) +11.1%, SPY (S&P 500) +14.2%, QQQ (Nasdaq 100) +17.5% and IWM (Russell 2000) +9.3%.

Volume & Liquidity 0.00× 3-mo avg
Today 2,309 3-mo avg 1.2M
1W
1.4M
1M
2.0M
3M
1.2M
6M
1.3M
YTD
1.8M
1Y
1.6M

ALDX most recently traded 2,309 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 0.6651
When was Aldeyra Therapeutics, Inc. - Common Stock last traded?
The last trade of Aldeyra Therapeutics, Inc. - Common Stock was at 10/19/26 04:00 PM ET
What is the market capitalization of Aldeyra Therapeutics, Inc. - Common Stock?
The market capitalization of Aldeyra Therapeutics, Inc. - Common Stock is 38.96M
How many shares of Aldeyra Therapeutics, Inc. - Common Stock are outstanding?
Aldeyra Therapeutics, Inc. - Common Stock has 39M shares outstanding.
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