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

1.635 +0.215 (+15.14%)

Streaming Delayed Price Updated: 1:01 PM EDT, Mar 19, 2026 Add to My Watchlist

Price and Volume

Volume	6,362,189
Open	1.390
Bid (Size)	1.630 (3,900)
Ask (Size)	1.640 (4,000)
Prev. Close	1.420
Today's Range	1.370 - 1.680
52wk Range	1.070 - 6.870
Shares Outstanding	58,576,350
Dividend Yield	N/A

Intraday 1 Week 1 Month 3 Month 1 Year 3 Year 5 Year

Top News

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Top stock movements in today's session. ↗

March 17, 2026

Via Chartmill

Gapping stocks in Tuesday's session ↗

March 17, 2026

Via Chartmill

Performance

YTD	-65.0%	-65.0%
1 Month	-68.3%	-68.3%
3 Month	-68.9%	-68.9%
6 Month	-66.6%	-66.6%
1 Year	-75.5%	-75.5%

More News

These stocks that are showing activity before the opening bell on Tuesday. ↗

March 17, 2026

Via Chartmill

Why Did ALDX Stock Tank 75% In Pre-Market Today? ↗

March 17, 2026

Via Stocktwits

Aldeyra Therapeutics Receives Complete Response Letter from the U.S. Food and Drug Administration for the Reproxalap New Drug Application for the Treatment of Signs and Symptoms of Dry Eye Disease

March 17, 2026

From Aldeyra Therapeutics, Inc.

Via Business Wire

Nasdaq, S&P 500 Futures Rise As Nvidia GTC, Iran Tensions, Fed Meet Loom: Why META, MU, SOC, ALDX Are Also In Focus Today ↗

March 16, 2026

Via Stocktwits

ALDX Stock Garners Retail Interest: Investors Debate Dry Eye Treatment Approval Amid Long Wait ↗

March 10, 2026

Via Stocktwits

SSR Mining Stock Up 180% as New $5 Million Stake Signals Gold Conviction ↗

March 03, 2026

Via The Motley Fool

Nuvation Bio Stock Up 130% This Past Year as One Fund Discloses $3 Million Buy ↗

March 03, 2026

Via The Motley Fool

Aldeyra Therapeutics to Participate in the Oppenheimer 36th Annual Healthcare Life Sciences Conference

February 18, 2026

From Aldeyra Therapeutics, Inc.

Via Business Wire

Keep an eye on the top gainers and losers in Tuesday's session. ↗

December 16, 2025

Via Chartmill

These stocks are moving in today's session ↗

December 16, 2025

Via Chartmill

Why Is Aldeyra Therapeutics Stock Surging After FDA Delayed Its Dry Eye Drug Decision? ↗

December 16, 2025

Via Stocktwits

Aldeyra Therapeutics Announces PDUFA Extension of the New Drug Application of Reproxalap for the Treatment of Dry Eye Disease

December 15, 2025

From Aldeyra Therapeutics, Inc.

Via Business Wire

Aldeyra Therapeutics Announces Expansion of RASP Platform to Include Central Nervous System Diseases and Provides Updates on Reproxalap at Research & Development Webcast

November 13, 2025

From Aldeyra Therapeutics, Inc.

Via Business Wire

Aldeyra Therapeutics to Participate in the Jefferies Global Healthcare Conference in London

November 11, 2025

From Aldeyra Therapeutics, Inc.

Via Business Wire

Aldeyra Therapeutics to Host Research & Development Update Webcast Event Scheduled for Thursday, November 13 at 8:00 a.m. ET

November 06, 2025

From Aldeyra Therapeutics, Inc.

Via Business Wire

Aldeyra’s Experimental Drug Shows Promising Results In Mid-Stage Alcohol Hepatitis Trial ↗

October 28, 2025

Via Stocktwits

Aldeyra Therapeutics Announces Positive Results from Phase 2 Clinical Trial in Alcohol-Associated Hepatitis, Focuses RASP Product Candidate Pipeline on Next-Generation Molecules

October 28, 2025

From Aldeyra Therapeutics, Inc.

Via Business Wire

4 Biotechnology Stocks Lead Momentum Gains Amid Strong Technicals ↗

October 10, 2025

Via Benzinga

4 Biotech Stocks Seeing Explosive Momentum Gains ↗

October 07, 2025

Via Benzinga

Aldeyra Therapeutics to Participate in the H.C. Wainwright 27th Annual Global Investment Conference

September 03, 2025

From Aldeyra Therapeutics, Inc.

Via Business Wire

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

August 28, 2025

From Aldeyra Therapeutics, Inc.

Via Business Wire

Aldeyra Therapeutics Receives Fast Track Designation for ADX‑2191 for the Treatment of Retinitis Pigmentosa

August 19, 2025

From Aldeyra Therapeutics, Inc.

Via Business Wire

Aldeyra Therapeutics to Participate in the H.C. Wainwright 5th Annual Ophthalmology Virtual Conference

August 06, 2025

From Aldeyra Therapeutics, Inc.

Via Business Wire

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 1.635

When was Aldeyra Therapeutics, Inc. - Common Stock last traded?

The last trade of Aldeyra Therapeutics, Inc. - Common Stock was at 03/19/26 01:01 PM ET

What is the market capitalization of Aldeyra Therapeutics, Inc. - Common Stock?

The market capitalization of Aldeyra Therapeutics, Inc. - Common Stock is 95.77M

How many shares of Aldeyra Therapeutics, Inc. - Common Stock are outstanding?

Aldeyra Therapeutics, Inc. - Common Stock has 96M shares outstanding.

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