Aldeyra Therapeutics

1D
1W
1M
3M
YTD
1Y
5Y
ALL

Why Robinhood?

Robinhood gives you the tools you need to put your money in motion. You can buy or sell ALDX and other ETFs, options, and stocks.

About ALDX

Aldeyra Therapeutics, Inc. is a biotechnology company, which engages in research and development activities related to general business planning, including raising capital. It focuses on the discovery of therapies designed to treat immune-mediated diseases. 

CEO
Todd C. Brady
CEOTodd C. Brady
Employees
8
Employees8
Headquarters
Lexington, Massachusetts
HeadquartersLexington, Massachusetts
Founded
2004
Founded2004
Employees
8
Employees8

ALDX Key Statistics

Market cap
94.71M
Market cap94.71M
Price-Earnings ratio
-4.05
Price-Earnings ratio-4.05
Dividend yield
Dividend yield
Average volume
853.49K
Average volume853.49K
High today
$1.60
High today$1.60
Low today
$1.53
Low today$1.53
Open price
$1.59
Open price$1.59
Volume
630.17K
Volume630.17K
52 Week high
$6.18
52 Week high$6.18
52 Week low
$1.07
52 Week low$1.07

Stock Snapshot

As of today, Aldeyra Therapeutics(ALDX) shares are valued at $1.57. The company's market cap stands at 94.71M, with a P/E ratio of -4.05.

On 2026-08-19, Aldeyra Therapeutics(ALDX) stock moved within a range of $1.53 to $1.60. With shares now at $1.57, the stock is trading +2.6% above its intraday low and -1.9% below the session's peak.

Trading activity shows a volume of 630.17K, compared to an average daily volume of 853.49K.

Over the past 52 weeks, Aldeyra Therapeutics(ALDX) stock has traded between a high of $6.18 and a low of $1.07.

Over the past 52 weeks, Aldeyra Therapeutics(ALDX) stock has traded between a high of $6.18 and a low of $1.07.

People also own

Based on the portfolios of people who own ALDX. This list is generated using Robinhood data, and it’s not a recommendation.

Similar Marketcap

This list is generated by looking at the six larger and six smaller companies by market cap in relation to this company.

Popular Stocks

This list is generated by looking at the top 100 stocks and ETFs most commonly held by Robinhood customers and showing a random subset

Newly Listed

This list is generated by showing companies that recently went public.

All investments involve risks, including the loss of principal. Securities trading offered through Robinhood Financial LLC, Member SIPC and a registered broker-dealer. Options are risky and aren’t suitable for all investors. To learn more about risks, read the Options Disclosure Document.