NASDAQ · ALDX

Aldeyra Therapeutics, Inc.

Healthcare · Biotechnology

$1.37

Up+$0.01 (+0.73%)

Updated Sep 17, 2026, 6:35 PM

SID Score

4.3/10

Composite research score

Smart Money

—

Institutional and insider signal

Price performance

ALDX price history

1M range · 20 trading sessions · Daily adjusted prices

Daily close

View OHLC price history

ALDX OHLC price history, latest 40 sessions
Date	Open	High	Low	Close	Volume
Sep 16, 2026	$1.38	$1.40	$1.355	$1.37	791.86K
Sep 15, 2026	$1.45	$1.45	$1.345	$1.37	833.61K
Sep 14, 2026	$1.35	$1.49	$1.3475	$1.46	1.17M
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