Aldeyra Therapeutics Inc (ALDX)
$0.56 -14.99% Close Oct 30, 2026 Live
Aldeyra Therapeutics stock today
Aldeyra Therapeutics closed at $0.56 on October 30, 2026, down 14.99% on the day. Over the past year it returned -88.9% with dividends reinvested, against +12.4% for the S&P 500. Its market value is $34.0 million.
$2.00$4.00
NovJan 2026MarMayJulSep
| Period | ALDX | S&P 500 (SPY) |
|---|---|---|
| 1 month | -54.4% | -0.9% |
| 3 months | -65.0% | +2.1% |
| Year to date | -89.2% | +11.7% |
| 1 year | -88.9% | +12.4% |
| 3 years | -63.6% | +88.5% |
| 5 years | -93.8% | +76.0% |
Key statistics
- Market value
- $34.0M
- 52-week range
- $0.56 to $5.62
- Next report
- Nov 4, 2026 (estimated)
About Aldeyra Therapeutics
Develops and commercializes immunology and ophthalmology pharmaceutical treatments.
Sector: Health Care
More on Aldeyra Therapeutics
- Returns: what $1,000 became$1,000 ten years ago is $106.72 today
No forecast, no recommendation. This page describes Aldeyra Therapeutics Inc from published data; it is not advice to buy, sell or hold any security.
Figures as of the close on Oct 30, 2026 unless a row says otherwise. Prices are split adjusted; returns include dividends reinvested. Data may be delayed. See the disclaimer and how TrendArc works.