Skip to main content
Smart Investors Daily
AL

NASDAQ · ALDX

Aldeyra Therapeutics, Inc.

Healthcare · Biotechnology

$0.92

Down-$0.01 (-0.84%)

Updated Oct 7, 2026, 12:50 AM

SID Score

4.2/10

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
$0.90 – $5.60
Volume
7.03M
Avg. volume
1.07M

Price performance · ALDX

ALDX price history

1M range · 20 trading sessions · Daily adjusted prices

Prices through Oct 5, 2026

ALDX closed at $0.92 after 20 trading sessions, down 40.02% for the selected period.

Last close
$0.92
Period change
-40.02%
Period low
$0.92
Period high
$1.54
Daily close
View OHLC price history
ALDX OHLC price history, latest 40 sessions
DateOpenHighLowCloseVolume
Oct 5, 2026$1.18$1.185$0.8976$0.92377.03M
Oct 2, 2026$1.31$1.31$1.15$1.172.28M
Oct 1, 2026$1.26$1.305$1.195$1.291.21M
Sep 30, 2026$1.34$1.35$1.22$1.231.65M
Sep 29, 2026$1.17$1.44$1.16$1.325.46M
Sep 28, 2026$1.18$1.22$1.15$1.161.02M
Sep 25, 2026$1.23$1.28$1.195$1.205644.93K
Sep 24, 2026$1.35$1.35$1.22$1.22838.7K
Sep 23, 2026$1.40$1.40$1.33$1.35633.73K
Sep 22, 2026$1.37$1.40$1.3506$1.395429.89K
Sep 21, 2026$1.37$1.3896$1.32$1.35495.07K
Sep 18, 2026$1.40$1.40$1.345$1.36367.72K
Sep 17, 2026$1.39$1.435$1.37$1.38394.92K
Sep 16, 2026$1.38$1.40$1.355$1.37791.86K
Sep 15, 2026$1.45$1.45$1.345$1.37833.61K
Sep 14, 2026$1.35$1.49$1.3475$1.461.17M
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

Latest ALDX news

The latest Smart Investors Daily articles mentioning ALDX.

Loading stock research…