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

5.315 +1.325 (+33.21%)
Streaming Delayed Price Updated: 2:54 PM EST, Dec 16, 2025 Add to My Watchlist
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Price and Volume

Detailed Quote
Volume 7,463,983
Open 3.950
Bid (Size) 5.310 (3,100)
Ask (Size) 5.320 (400)
Prev. Close 3.990
Today's Range 3.940 - 5.420
52wk Range 1.140 - 7.200
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
News headline image
These stocks are moving in today's session ↗
Here are the top movers in Tuesday's session, showcasing the stocks with significant price changes. 
Via Chartmill
News headline image
Why Is Aldeyra Therapeutics Stock Surging After FDA Delayed Its Dry Eye Drug Decision? ↗
The FDA delayed its decision on the dry eye drug Reproxalap to March 2026 without raising new issues, while review and labeling discussions continued. 
Via Stocktwits

Performance

YTD
+1.8%
+1.8%
1 Month
+7.4%
+7.4%
3 Month
+4.4%
+4.4%
6 Month
+76.0%
+76.0%
1 Year
+5.0%
+5.0%

More News

Read More
News headline image
Aldeyra Therapeutics Announces PDUFA Extension of the New Drug Application of Reproxalap for the Treatment of Dry Eye Disease
From Aldeyra Therapeutics, Inc.
Via Business Wire
News headline image
Aldeyra Therapeutics Announces Expansion of RASP Platform to Include Central Nervous System Diseases and Provides Updates on Reproxalap at Research & Development Webcast
From Aldeyra Therapeutics, Inc.
Via Business Wire
News headline image
Aldeyra Therapeutics to Participate in the Jefferies Global Healthcare Conference in London
From Aldeyra Therapeutics, Inc.
Via Business Wire
News headline image
Aldeyra Therapeutics to Host Research & Development Update Webcast Event Scheduled for Thursday, November 13 at 8:00 a.m. ET
From Aldeyra Therapeutics, Inc.
Via Business Wire
News headline image
Aldeyra’s Experimental Drug Shows Promising Results In Mid-Stage Alcohol Hepatitis Trial ↗
Via Stocktwits
News headline image
Aldeyra Therapeutics Announces Positive Results from Phase 2 Clinical Trial in Alcohol-Associated Hepatitis, Focuses RASP Product Candidate Pipeline on Next-Generation Molecules
From Aldeyra Therapeutics, Inc.
Via Business Wire
News headline image
4 Biotechnology Stocks Lead Momentum Gains Amid Strong Technicals ↗
Via Benzinga
News headline image
4 Biotech Stocks Seeing Explosive Momentum Gains ↗
Via Benzinga
Topics ETFs Stocks
News headline image
Aldeyra Therapeutics to Participate in the H.C. Wainwright 27th Annual Global Investment Conference
From Aldeyra Therapeutics, Inc.
Via Business Wire
News headline image
Aldeyra Therapeutics Receives Orphan Designation from the European Medicines Agency for ADX-2191 for the Treatment of Primary Large B-Cell Lymphomas of Immune-Privileged Sites, including Primary Vitreoretinal Lymphoma
From Aldeyra Therapeutics, Inc.
Via Business Wire
News headline image
Aldeyra Therapeutics Receives Fast Track Designation for ADX‑2191 for the Treatment of Retinitis Pigmentosa
From Aldeyra Therapeutics, Inc.
Via Business Wire
News headline image
Aldeyra Therapeutics to Participate in the H.C. Wainwright 5th Annual Ophthalmology Virtual Conference
From Aldeyra Therapeutics, Inc.
Via Business Wire
News headline image
Aldeyra Therapeutics Receives Orphan Designation from the European Medicines Agency for ADX-2191 for the Treatment of Inherited Retinal Dystrophies including Retinitis Pigmentosa
From Aldeyra Therapeutics, Inc.
Via Business Wire
News headline image
Aldeyra Therapeutics Announces FDA Acceptance for Review of Reproxalap New Drug Application for the Treatment of Dry Eye Disease
From Aldeyra Therapeutics, Inc.
Via Business Wire
News headline image
Aldeyra Therapeutics Receives Special Protocol Assessment Agreement Letter from the U.S. Food and Drug Administration for ADX-2191 for the Treatment of Primary Vitreoretinal Lymphoma
From Aldeyra Therapeutics, Inc.
Via Business Wire
News headline image
Aldeyra Therapeutics Resubmits Reproxalap New Drug Application for the Treatment of Dry Eye Disease
From Aldeyra Therapeutics, Inc.
Via Business Wire
News headline image
Aldeyra Therapeutics to Participate in the 2025 Jefferies Global Healthcare Conference
From Aldeyra Therapeutics, Inc.
Via Business Wire
News headline image
INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Aldeyra Therapeutics, Inc. - ALDX
From Pomerantz LLP
Via GlobeNewswire
News headline image
Bragar Eagel & Squire, P.C. Is Investigating Organon, Aldeyra, Landstar, and ICU Medical and Encourages Investors to Contact the Firm
From Bragar Eagel & Squire
Via GlobeNewswire
News headline image
INVESTOR ALERT: Pomerantz Law Firm Investigates Claims on Behalf of Investors of Aldeyra Therapeutics, Inc. – ALDX
From Pomerantz LLP
Via GlobeNewswire
News headline image
INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Aldeyra Therapeutics, Inc. - ALDX
From Pomerantz LLP
Via GlobeNewswire
News headline image
Bragar Eagel & Squire, P.C. Is Investigating RobinHood, Aldeyra, Landstar, and ICU Medical and Encourages Investors to Contact the Firm
From Bragar Eagel & Squire
Via GlobeNewswire
News headline image
12 Health Care Stocks Moving In Tuesday's Pre-Market Session ↗
Via Benzinga

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 5.315
When was Aldeyra Therapeutics, Inc. - Common Stock last traded?
The last trade of Aldeyra Therapeutics, Inc. - Common Stock was at 12/16/25 02:54 PM ET
What is the market capitalization of Aldeyra Therapeutics, Inc. - Common Stock?
The market capitalization of Aldeyra Therapeutics, Inc. - Common Stock is 311.33M
How many shares of Aldeyra Therapeutics, Inc. - Common Stock are outstanding?
Aldeyra Therapeutics, Inc. - Common Stock has 311M shares outstanding.
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