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Aldeyra Therapeutics Inc stock is traded at $4.135, with a volume of 964.44K. It is down -2.95% in the last 24 hours and down -12.45% over the past month. Aldeyra Therapeutics Inc is a biotechnology company engaged in developing and commercializing next-generation medicines to improve the lives of patients with immune-mediated and metabolic diseases. The company's product candidate, Reproxalap, is a treatment in late-stage development for dry eye disease and allergic conjunctivitis. In addition, it also has additional product candidates in development for proliferative vitreoretinopathy, primary vitreoretinal lymphoma and other retinal diseases, autoimmune disease, and cancer. Company products includes ADX248, ADX743, ADX631, ADX246, ADX629, ADX2191.
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Previous Close:
$4.24
Open:
$4.25
24h Volume:
964.44K
Relative Volume:
0.99
Market Cap:
$248.77M
Revenue:
-
Net Income/Loss:
$-44.80M
P/E Ratio:
-5.5133
EPS:
-0.75
Net Cash Flow:
$-30.67M
1W Performance:
-20.10%
1M Performance:
-12.45%
6M Performance:
-4.30%
1Y Performance:
-21.92%
1-Day Range:
Value
$4.02
$4.314
1-Week Range:
Value
$4.02
$5.255
52-Week Range:
Value
$1.14
$7.20

Aldeyra Therapeutics Inc Stock (ALDX) Company Profile

Name
Name
Aldeyra Therapeutics Inc
Name
Phone
781-761-4904
Name
Address
131 HARTWELL AVENUE, LEXINGTON, MA
Name
Employee
8
Name
Twitter
@aldeyraaldx
Name
Next Earnings Date
2025-08-08
Name
Latest SEC Filings
Name
ALDX's Discussions on Twitter

Compare ALDX with other stocks

Stocks Price Market Cap Revenue Net Income Cash Flow EPS
Biotechnology icon
ALDX
Aldeyra Therapeutics Inc
4.135 255.09M 0 -44.80M -30.67M -0.75
Biotechnology icon
VRTX
Vertex Pharmaceuticals Inc
468.16 113.87B 11.74B 3.68B 3.34B 14.19
Biotechnology icon
REGN
Regeneron Pharmaceuticals Inc
774.22 80.22B 14.25B 4.58B 3.88B 41.77
Biotechnology icon
ALNY
Alnylam Pharmaceuticals Inc
404.06 52.56B 3.21B 43.57M 221.36M 0.2405
Biotechnology icon
ARGX
Argen X Se Adr
802.27 49.31B 3.06B 1.28B 447.35M 19.67
Biotechnology icon
INSM
Insmed Inc
174.79 37.37B 447.02M -1.18B -906.14M -6.1812

Aldeyra Therapeutics Inc Stock (ALDX) Upgrades & Downgrades

Date Action Analyst Rating Change
Apr-03-24 Upgrade Oppenheimer Perform → Outperform
Apr-02-24 Resumed H.C. Wainwright Buy
Apr-27-22 Resumed H.C. Wainwright Buy
Feb-08-21 Initiated H.C. Wainwright Buy
Dec-16-20 Initiated Berenberg Buy
Oct-30-20 Initiated Jefferies Buy
Oct-16-20 Initiated BTIG Research Buy
Sep-22-20 Initiated Alliance Global Partners Buy
May-12-20 Initiated Oppenheimer Outperform
Dec-04-18 Initiated Citigroup Buy
Sep-26-18 Reiterated Cantor Fitzgerald Overweight
Sep-13-18 Initiated Janney Buy
Jan-26-18 Initiated Seaport Global Securities Buy
Sep-26-16 Initiated H.C. Wainwright Buy
Jul-01-16 Initiated Stifel Buy
Jul-01-15 Initiated Canaccord Genuity Buy
Mar-25-15 Initiated Chardan Capital Markets Buy
Mar-20-15 Reiterated H.C. Wainwright Buy
Nov-18-14 Initiated H.C. Wainwright Buy
Jun-19-14 Initiated Aegis Capital Buy
View All

Aldeyra Therapeutics Inc Stock (ALDX) Latest News

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Jan 02, 2026

What to keep an eye on in 2026 - Eyes On Eyecare

Jan 02, 2026
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Jan 02, 2026

Aldeyra Therapeutics Chief Development Officer Stephen Machatha to Resign - marketscreener.com

Jan 02, 2026
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Jan 01, 2026

Aldeyra Therapeutics (NASDAQ:ALDX) Shares Cross Above Fifty Day Moving AverageTime to Sell? - MarketBeat

Jan 01, 2026
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Dec 31, 2025

Aldeyra Therapeutics chief development officer to step down by March 2026 - Investing.com Nigeria

Dec 31, 2025
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Dec 31, 2025

Aldeyra Therapeutics Announces Chief Development Officer Resignation - TipRanks

Dec 31, 2025
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Dec 31, 2025

Aldeyra Therapeutics Announces Resignation of Chief Development Officer - TradingView — Track All Markets

Dec 31, 2025
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Dec 30, 2025

Aldeyra Therapeutics: Reproxalap’s March 2026 FDA Decision Is The Defining Catalyst - Seeking Alpha

Dec 30, 2025
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Dec 29, 2025

Why is Aldeyra Therapeutics stock surging after FDA delayed its dry eye drug decision? - MSN

Dec 29, 2025
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Dec 26, 2025

Why (ALDX) Price Action Is Critical for Tactical Trading - Stock Traders Daily

Dec 26, 2025
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Dec 24, 2025

Aldeyra Therapeutics (NASDAQ:ALDX) Stock Crosses Above Fifty Day Moving AverageShould You Sell? - MarketBeat

Dec 24, 2025
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Dec 22, 2025

Aldeyra Therapeutics, Inc.'s (NASDAQ:ALDX) Institutional Shareholders Had a Great Week as One-year Returns Increased After a 24% Gain Last Week - 富途牛牛

Dec 22, 2025
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Dec 22, 2025

Aldeyra Therapeutics And 2 Other Promising Penny Stocks For Your Watchlist - Yahoo Finance

Dec 22, 2025
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Dec 20, 2025

Can SAL Steel Limited Maintain Growth Without Diluting ShareholdersLong-Term Investment Plans & Small Investment Capital Gains - earlytimes.in

Dec 20, 2025
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Dec 19, 2025

Targets Report: Will Aldeyra Therapeutics Inc. stock maintain momentum in 2025Earnings Recap Report & Weekly Watchlist of Top Performers - Улправда

Dec 19, 2025
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Dec 19, 2025

Will Aldeyra Therapeutics Inc. stock maintain momentum in 2025Trade Analysis Report & Daily Market Momentum Tracking - ulpravda.ru

Dec 19, 2025
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Dec 19, 2025

Can Aldeyra Therapeutics Inc. stock rebound after recent weaknessPrice Action & Community Verified Trade Signals - DonanımHaber

Dec 19, 2025
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Dec 19, 2025

What dividend safety score for Aldeyra Therapeutics Inc. stockMarket Trend Summary & Reliable Trade Execution Plans - DonanımHaber

Dec 19, 2025
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Dec 19, 2025

What Wall Street predicts for Aldeyra Therapeutics Inc. stock priceWeekly Stock Summary & Real-Time Market Sentiment Reports - Улправда

Dec 19, 2025
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Dec 18, 2025

Will Aldeyra Therapeutics Inc. stock benefit from infrastructure spendingSwing Trade & Fast Gaining Stock Strategy Reports - Улправда

Dec 18, 2025
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Dec 18, 2025

ALDX LEGAL NEWS: BFA Law Announces that Aldeyra Therapeutics, Inc. is being InvestigatedContact the Firm if You Lost Money - 28/22 News

Dec 18, 2025
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Dec 17, 2025

Aldeyra Therapeutics Earnings Notes - Trefis

Dec 17, 2025
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Dec 17, 2025

Aldeyra Therapeutics Sees Unusually Large Options Volume (NASDAQ:ALDX) - Defense World

Dec 17, 2025
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Dec 16, 2025

Aldeyra drops as FDA delays review of marketing application for lead drug - MSN

Dec 16, 2025
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Dec 16, 2025

Aldeyra Therapeutics Target of Unusually Large Options Trading (NASDAQ:ALDX) - MarketBeat

Dec 16, 2025
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Dec 16, 2025

Buy Rating for Aldeyra Therapeutics: Confidence in Reproxalap’s Approval and Financial Upside - TipRanks

Dec 16, 2025
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Dec 16, 2025

Why Is Aldeyra Therapeutics Stock Surging After FDA Delayed Its Dry Eye Drug Decision? - Asianet Newsable

Dec 16, 2025
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Dec 16, 2025

Aldeyra Therapeutics (NASDAQ: ALDX) updates on FDA review of reproxalap - Stock Titan

Dec 16, 2025
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Dec 16, 2025

12 Health Care Stocks Moving In Tuesday's Intraday Session - Benzinga

Dec 16, 2025
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Dec 16, 2025

Aldeyra stock surges as FDA delays dry eye drug decision | Tap to know more | Inshorts - Inshorts

Dec 16, 2025
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Dec 16, 2025

ALDX: FDA extends reproxalap NDA review by 90 days after requiring field trial CSR submission - TradingView — Track All Markets

Dec 16, 2025
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Dec 16, 2025

FDA Extends Review Timeline For Aldeyra's Dry Eye Disease Drug - Sahm

Dec 16, 2025
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Dec 16, 2025

Aldeyra Therapeutics (ALDX) Faces FDA Review Delay for Reproxala - GuruFocus

Dec 16, 2025
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Dec 16, 2025

Why Is Aldeyra Therapeutics Stock Falling Tuesday?Aldeyra Therapeutics (NASDAQ:ALDX) - Benzinga

Dec 16, 2025
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Dec 16, 2025

Transcript : Aldeyra Therapeutics, Inc.Special Call - marketscreener.com

Dec 16, 2025
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Dec 16, 2025

Aldeyra stock drops on FDA delay for lead drug (ALDX:NASDAQ) - Seeking Alpha

Dec 16, 2025
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Dec 16, 2025

12 Health Care Stocks Moving In Tuesday's Pre-Market Session - Benzinga

Dec 16, 2025
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Dec 16, 2025

Aldeyra Therapeutics Faces FDA PDUFA Date Extension - TipRanks

Dec 16, 2025
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Dec 16, 2025

Aldeyra Says FDA Extends Action Date for Potential Dry Eye Disease Treatment; Shares Down Pre-Bell - marketscreener.com

Dec 16, 2025
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Dec 16, 2025

Aldeyra Therapeutics Announces PDUFA Extension for Reproxalap NDA - TradingView — Track All Markets

Dec 16, 2025
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Dec 16, 2025

Why B. Riley Financial Shares Are Trading Higher By Around 25%; Here Are 20 Stocks Moving Premarket - Benzinga

Dec 16, 2025
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Dec 15, 2025

Aldeyra (ALDX) Receives Extended FDA Action Date for Reproxalap NDA - GuruFocus

Dec 15, 2025
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Dec 15, 2025

Aldeyra (Nasdaq: ALDX) PDUFA review of reproxalap dry eye NDA extended to Mar. 2026 - Stock Titan

Dec 15, 2025
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Dec 15, 2025

Aldeyra Therapeutics announces PDUFA extension of the new drug application of Reproxalap for the treatment of dry eye disease - marketscreener.com

Dec 15, 2025
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Dec 13, 2025

683 Capital Management LLC Has $4.14 Million Stake in Aldeyra Therapeutics, Inc. $ALDX - MarketBeat

Dec 13, 2025
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Dec 10, 2025

Adversity is less terrifying than hope: Aldeyra Therapeutics Inc (ALDX) - setenews.com

Dec 10, 2025
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Dec 08, 2025

INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Aldeyra Therapeutics, Inc.ALDX - 28/22 News

Dec 08, 2025
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Dec 08, 2025

Aldeyra Therapeutics, Inc.'s (NASDAQ:ALDX) recent 10% pullback adds to one-year year losses, institutional owners may take drastic measures - Yahoo Finance

Dec 08, 2025
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Dec 07, 2025

Aldeyra Therapeutics, Inc. $ALDX Shares Sold by Kennedy Capital Management LLC - MarketBeat

Dec 07, 2025
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Dec 06, 2025

Winners Losers: Will Aldeyra Therapeutics Inc stock maintain momentum in 2025 - BỘ NỘI VỤ

Dec 06, 2025
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Dec 03, 2025

It makes sense and dollars to buy Aldeyra Therapeutics Inc (ALDX) stock - setenews.com

Dec 03, 2025
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Dec 02, 2025

Aldeyra Therapeutics Inc (137.DU) Stock Price, News, Quote & History - Yahoo! Finance Canada

Dec 02, 2025

Aldeyra Therapeutics Inc Stock (ALDX) Financials Data

Revenue

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Net Income

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Cash Flow

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EPS

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$40.59
price up icon 2.45%
$33.12
price up icon 4.10%
$107.28
price up icon 5.34%
$98.35
price up icon 1.49%
biotechnology ONC
$320.86
price up icon 0.11%
$174.46
price down icon 0.43%
Cap:     |  Volume (24h):