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Smart Investors Daily
AL

NASDAQ · ALDX

Aldeyra Therapeutics, Inc.

Healthcare · Biotechnology

$1.34

Down-$0.12 (-8.22%)

Updated Sep 12, 2026, 2:24 AM

SID Score

4.4/10

Composite research score

Smart Money

Institutional and insider signal

Market cap
328.49M
P/E ratio
-7.6
Dividend yield
0.00%
52-week range
$1.07 – $5.60
Volume
1.57M
Avg. volume
1.07M

Price performance

ALDX price history

1M range · 20 trading sessions · Daily adjusted prices

ALDX closed at $1.34 after 20 trading sessions, down 14.10% for the selected period.

Last close
$1.34
Period change
-14.10%
Period low
$1.34
Period high
$1.58
Daily close
View OHLC price history
ALDX OHLC price history, latest 40 sessions
DateOpenHighLowCloseVolume
Sep 11, 2026$1.48$1.48$1.33$1.341.57M
Sep 10, 2026$1.48$1.505$1.46$1.46552.54K
Sep 9, 2026$1.53$1.535$1.495$1.50544.21K
Sep 8, 2026$1.47$1.55$1.47$1.54721.82K
Sep 4, 2026$1.47$1.49$1.46$1.48486.18K
Sep 3, 2026$1.48$1.5111$1.46$1.48568.93K
Sep 2, 2026$1.51$1.54$1.46$1.49498.45K
Sep 1, 2026$1.46$1.50$1.455$1.49462.87K
Aug 31, 2026$1.51$1.51$1.465$1.48495.39K
Aug 28, 2026$1.52$1.56$1.48$1.485547.98K
Aug 27, 2026$1.57$1.581$1.525$1.54277.45K
Aug 26, 2026$1.54$1.575$1.52$1.56478.95K
Aug 25, 2026$1.52$1.56$1.50$1.55447.17K
Aug 24, 2026$1.53$1.545$1.4601$1.52531.99K
Aug 21, 2026$1.50$1.595$1.475$1.521.1M
Aug 20, 2026$1.57$1.575$1.495$1.50942.95K
Aug 19, 2026$1.59$1.60$1.54$1.58982.2K
Aug 18, 2026$1.54$1.595$1.505$1.55703.03K
Aug 17, 2026$1.55$1.58$1.525$1.56789.81K
Aug 14, 2026$1.49$1.57$1.445$1.56830.98K

Latest ALDX news

The latest Smart Investors Daily articles mentioning ALDX.

ALDX research

Overview

Company profile and research snapshot.

Company profile

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.

Visit company website

Analyst outlook

Consensus and target data currently published for this company.

Consensus
Buy
Average target
$7.00
Implied upside
Analysts
12
ALDX recent ratings
DateFirmRatingTarget
Mar 18, 2026HC Wainwright & Co.Neutral
Nov 10, 2025BTIGBuy
May 19, 2025HC Wainwright & Co.Buy
Apr 7, 2025BTIGBuy
Apr 4, 2025HC Wainwright & Co.Buy
Open full forecast

News briefing

No generated briefing is available yet.

AI research layers

Interpretive context generated from the platform’s current data sources.

No results

AI research layers have not been published yet.