ALDX

NASD Aldeyra Therapeutics, Inc.
Oct 16, 2026 · 3:13 AM ET EOD Market Closed

$0.7373 ↑ +0.0000 (+0.00%) Trading Up from the previous close of $0.7373, $0.0657 below the day’s high of $0.8030

YTD change
-85.77%
vs 20-day SMA
-35.01%
vs 200-day SMA
-70.58%

Price ranges

Previous day
$0.7254 $0.8030
open $0.7700 close $0.7373
-$0.0327 (-4.25%)
Today
$0.7254 $0.8030
$0.7373
Past week
$0.7886 $0.9700
from $0.9586 now $0.7373
-$0.2213 (-23.09%)
Past month
$0.7886 $1.4400
from $1.3700 now $0.7373
-$0.6327 (-46.18%)
This year
$0.7254 $5.9300
from $5.1800 now $0.7373
-$4.4427 (-85.77%)

Price & Performance

-1.06 (-59.04%) / 6M

$0.6019$1.26$1.91$2.57Apr 16Jul 17Oct 15

Signals & Sentiment

Momentum, market sentiment, and recent alerts

Poor
  • The stock is 95.6% away from all-time highs of $16.7000
  • ALDX is down 86% since the beginning of the year
  • ALDX is down 87% over the past 12 months
  • ALDX is down 46% over the past 1 month
  • 6% 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 -86.3%.

Financial Strength

Earnings, valuation, and balance sheet

Earnings

Profitable No
EPS $-0.09
Earnings momentum +4.3% Quarterly EPS growth
Quarterly change +4.3%

Valuation

P/E ratio N/A
Enterprise value $2.7M
Beta 3.03

Balance sheet & scale

IncomeN/A
RevenueN/A
Cash$45.1M
Debt$143.0
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 $44.5M

Aldeyra Therapeutics, Inc. is a biotechnology company, which engages in research and development activities related to general business planning, including raising capital. It focuses on 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. $434.03 +1.86%
MRNA Moderna, Inc. $236.50 +4.51%
RVMD Revolution Medicines, Inc. $189.26 -2.20%
ROIV Roivant Sciences Ltd. $34.04 +1.25%
BNTX BioNTech SE Sponsored ADR $90.20 +1.74%

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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.