ALDX

NASD Aldeyra Therapeutics, Inc.
Oct 12, 2026 · 9:54 PM ET EOD Market Closed

$0.9058 ↑ +0.0000 (+0.00%) Trading Up from the previous close of $0.9058, $0.0342 below the day’s high of $0.9400

YTD change
-82.51%
vs 20-day SMA
-25.42%
vs 200-day SMA
-64.77%

Price ranges

Previous day
$0.9150 $0.9700
open $0.9396 close $0.9163
-$0.0233 (-2.48%)
Today
$0.8820 $0.9400
open $0.9200 now $0.9058
-$0.0142 (-1.54%)
Past week
$0.8619 $1.1850
from $1.1700 now $0.9058
-$0.2642 (-22.58%)
Past month
$0.8619 $1.4900
from $1.3400 now $0.9058
-$0.4342 (-32.40%)
This year
$0.8619 $5.9300
from $5.1800 now $0.9058
-$4.2742 (-82.51%)

Price & Performance

-0.89 (-49.68%) / 6M

$0.7839$1.37$1.96$2.55Apr 13Jul 14Oct 12

Signals & Sentiment

Momentum, market sentiment, and recent alerts

Poor
  • The stock is 94.6% away from all-time highs of $16.7000
  • ALDX is down 83% since the beginning of the year
  • ALDX is down 83% over the past 12 months
  • ALDX is down 32% over the past 1 month
  • 5% of all ALDX investors are betting against ALDX

ALDX reads poor: price sits below both the 20- and 200-day averages, the 12-month move is -82.7%.

Financial Strength

Earnings, valuation, and balance sheet

Earnings

Profitable No
EPS $-0.17
Earnings momentum +8.9% Quarterly EPS growth
Quarterly change +8.9%

Valuation

P/E ratio N/A
Enterprise value $282.5M
Beta 1.28

Balance sheet & scale

IncomeN/A
RevenueN/A
Cash$81.9M
Debt$15.6K
Income / Debt N/A

Company & Peers

Company profile and competitor comparison

Company profile

ExchangeNASD
Sector Professional, Scientific, and Technical Services
Industry Group Scientific Research and Development Services
Market cap $54.6M

Aldeyra Therapeutics, Inc. is a biotechnology company, which engages in research and development activities with related general business planning, including raising capital. It engages in the discovery of therapies designed to treat immune-mediated diseases. The company was founded by Thomas A. Jordan and John E. Dowling on August 13, 2004 and is headquartered in Lexington, MA.

Competitor comparison

TickerCompany PriceChange
AMGN Amgen Inc. $417.57 +0.65%
MRNA Moderna, Inc. $213.74 -5.00%
RVMD Revolution Medicines, Inc. $193.95 +2.21%
ROIV Roivant Sciences Ltd. $34.59 -2.40%
BNTX BioNTech SE Sponsored ADR $95.84 -1.16%

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Prices and alerts are delayed by at least 20 minutes. Chart history reflects daily closing prices. Information is provided for research purposes only and is not investment advice.