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

1.320 +0.160 (+13.79%)
Streaming Delayed Price Updated: 4:00 PM EDT, Sep 29, 2026 Add to My Watchlist
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Price and Volume

Detailed Quote
Volume 5,413,757
Open 1.170
Bid (Size) 1.360 (900)
Ask (Size) 1.370 (1,000)
Prev. Close 1.160
Today's Range 1.160 - 1.440
52wk Range 1.070 - 5.930
Shares Outstanding 58,576,350
Dividend Yield N/A
Chart for (: )
Intraday 1 Week 1 Month 3 Month 1 Year 3 Year 5 Year

Top News

More News
What's going on in today's after hours session ↗
Via Chartmill
News headline image
Aldeyra to Appeal FDA Rejection of Reproxalap for Dry Eye Disease ↗
Aldeyra Therapeutics (NASDAQ:ALDX) said it plans to submit a formal dispute resolution request, or FDRR, to the FDA’s Office of New Drugs seeking review of the agency’s latest complete response letter... 
Via MarketBeat

Performance

YTD
-71.7%
-71.7%
1 Month
-10.8%
-10.8%
3 Month
-35.6%
-35.6%
6 Month
-21.4%
-21.4%
1 Year
-74.7%
-74.7%

More News

Read More
News headline image
Aldeyra Therapeutics Announces Intent to Submit Formal Dispute Resolution Request for Reproxalap to Treat Dry Eye Disease
From Aldeyra Therapeutics, Inc.
Via Business Wire
News headline image
Aldeyra Therapeutics to Host Regulatory Update Webcast
From Aldeyra Therapeutics, Inc.
Via Business Wire
News headline image
Aldeyra Therapeutics Appoints Darlene Deptula-Hicks to Board of Directors
From Aldeyra Therapeutics, Inc.
Via Business Wire
These stocks are gapping in today's session ↗
Via Chartmill
Which stocks are moving after the closing bell on Friday? ↗
Via Chartmill
News headline image
Aldeyra Therapeutics Eyes FDA Feedback as Dry Eye Drug Faces Make-or-Break Moment ↗
Via MarketBeat
News headline image
Aldeyra Therapeutics to Participate in the 2026 Jefferies Global Healthcare Conference
From Aldeyra Therapeutics, Inc.
Via Business Wire
News headline image
ALDX Investors Have Opportunity to Lead Aldeyra Therapeutics, Inc. Securities Fraud Lawsuit with the Schall Law Firm
From The Schall Law Firm
Via Business Wire
News headline image
ALDX FINAL DEADLINE ALERT: Faruqi & Faruqi, LLP Reminds Aldeyra Therapeutics (ALDX) Investors of Securities Class Action Deadline on May 29, 2026
From Faruqi & Faruqi, LLP
Via Business Wire
News headline image
ALDX Investors Have Opportunity to Lead Aldeyra Therapeutics, Inc. Securities Fraud Lawsuit with the Schall Law Firm
From Schall Law
Via GlobeNewswire
News headline image
ALDEYRA DEADLINE FRIDAY MAY 29th: Bragar Eagel & Squire, P.C. Urgently Reminds Aldeyra Therapeutics, Inc. Investors with Large Losses to Contact the Firm Regarding Their Rights Before May 29th
From Bragar Eagel & Squire
Via GlobeNewswire
News headline image
INVESTOR ALERT: Pomerantz Law Firm Reminds Investors with Losses on their Investment in Aldeyra Therapeutics, Inc. Of Class Action Lawsuit and Upcoming Deadlines – ALDX
From Pomerantz LLP
Via GlobeNewswire
News headline image
ALDX Investors Have Opportunity to Lead Aldeyra Therapeutics, Inc. Securities Fraud Lawsuit with the Schall Law Firm
From Schall Law
Via GlobeNewswire
News headline image
ALDX Investors Have Opportunity to Lead Aldeyra Therapeutics, Inc. Securities Fraud Lawsuit with the Schall Law Firm
From Schall Law
Via GlobeNewswire
News headline image
INVESTOR ALERT: Pomerantz Law Firm Reminds Investors with Losses on their Investment in Aldeyra Therapeutics, Inc. Of Class Action Lawsuit and Upcoming Deadlines – ALDX
From Pomerantz LLP
Via GlobeNewswire
News headline image
ROSEN, TOP RANKED GLOBAL COUNSEL, Encourages Aldeyra Therapeutics, Inc. Investors to Secure Counsel Before Important Deadline in Securities Class Action First Filed by the Firm - ALDX
From The Rosen Law Firm PA
Via GlobeNewswire
News headline image
ALDX Investors Have Opportunity to Lead Aldeyra Therapeutics, Inc. Securities Fraud Lawsuit with the Schall Law Firm
From Schall Law
Via GlobeNewswire
News headline image
ALDX Investors Have Opportunity to Lead Aldeyra Therapeutics, Inc. Securities Fraud Lawsuit with the Schall Law Firm
From Schall Law
Via GlobeNewswire
News headline image
INVESTOR ALERT: Pomerantz Law Firm Reminds Investors with Losses on their Investment in Aldeyra Therapeutics, Inc. Of Class Action Lawsuit and Upcoming Deadlines – ALDX
From Pomerantz LLP
Via GlobeNewswire
News headline image
ROSEN, THE FIRST FILING FIRM, Encourages Aldeyra Therapeutics, Inc. Investors to Secure Counsel Before Important Deadline in Securities Class Action First Filed by the Firm - ALDX
From The Rosen Law Firm PA
Via GlobeNewswire
News headline image
ALDX Investors Have Opportunity to Lead Aldeyra Therapeutics, Inc. Securities Fraud Lawsuit with the Schall Law Firm
From Schall Law
Via GlobeNewswire
News headline image
Bragar Eagel & Squire, P.C. Encourages Aldeyra Therapeutics, Inc. Investors with Large Losses to Contact the Firm Regarding Their Rights Before May 29th
From Bragar Eagel & Squire
Via GlobeNewswire
News headline image
ROSEN, A TRUSTED AND LEADING LAW FIRM, Encourages Aldeyra Therapeutics, Inc. Investors to Secure Counsel Before Important Deadline in Securities Class Action First Filed by the Firm - ALDX
From The Rosen Law Firm PA
Via GlobeNewswire

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 1.320
When was Aldeyra Therapeutics, Inc. - Common Stock last traded?
The last trade of Aldeyra Therapeutics, Inc. - Common Stock was at 09/29/26 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 77.32M
How many shares of Aldeyra Therapeutics, Inc. - Common Stock are outstanding?
Aldeyra Therapeutics, Inc. - Common Stock has 77M shares outstanding.
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