sec filing
AL
NASDAQ · ALDX
Aldeyra Therapeutics, Inc.
Healthcare · Biotechnology
$1.34
Down-$0.12 (-8.22%)
Updated Sep 12, 2026, 3:04 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
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Sep 11, 2026 | $1.48 | $1.48 | $1.33 | $1.34 | 1.57M |
| Sep 10, 2026 | $1.48 | $1.505 | $1.46 | $1.46 | 552.54K |
| Sep 9, 2026 | $1.53 | $1.535 | $1.495 | $1.50 | 544.21K |
| Sep 8, 2026 | $1.47 | $1.55 | $1.47 | $1.54 | 721.82K |
| Sep 4, 2026 | $1.47 | $1.49 | $1.46 | $1.48 | 486.18K |
| Sep 3, 2026 | $1.48 | $1.5111 | $1.46 | $1.48 | 568.93K |
| Sep 2, 2026 | $1.51 | $1.54 | $1.46 | $1.49 | 498.45K |
| Sep 1, 2026 | $1.46 | $1.50 | $1.455 | $1.49 | 462.87K |
| Aug 31, 2026 | $1.51 | $1.51 | $1.465 | $1.48 | 495.39K |
| Aug 28, 2026 | $1.52 | $1.56 | $1.48 | $1.485 | 547.98K |
| Aug 27, 2026 | $1.57 | $1.581 | $1.525 | $1.54 | 277.45K |
| Aug 26, 2026 | $1.54 | $1.575 | $1.52 | $1.56 | 478.95K |
| Aug 25, 2026 | $1.52 | $1.56 | $1.50 | $1.55 | 447.17K |
| Aug 24, 2026 | $1.53 | $1.545 | $1.4601 | $1.52 | 531.99K |
| Aug 21, 2026 | $1.50 | $1.595 | $1.475 | $1.52 | 1.1M |
| Aug 20, 2026 | $1.57 | $1.575 | $1.495 | $1.50 | 942.95K |
| Aug 19, 2026 | $1.59 | $1.60 | $1.54 | $1.58 | 982.2K |
| Aug 18, 2026 | $1.54 | $1.595 | $1.505 | $1.55 | 703.03K |
| Aug 17, 2026 | $1.55 | $1.58 | $1.525 | $1.56 | 789.81K |
| Aug 14, 2026 | $1.49 | $1.57 | $1.445 | $1.56 | 830.98K |
Latest ALDX news
The latest Smart Investors Daily articles mentioning ALDX.
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