NASDAQ · ALEC

Alector, Inc.

Healthcare · Biotechnology

$2.05

Up+$0.09 (+4.59%)

Updated Aug 18, 2026, 11:51 AM

SID Score

3.9/10

Composite research score

Smart Money

—

Institutional and insider signal

Price performance

ALEC price history

1M range · 21 trading sessions · Daily adjusted prices

Daily close

View OHLC price history

ALEC OHLC price history, latest 40 sessions
Date	Open	High	Low	Close	Volume
Aug 17, 2026	$1.91	$2.09	$1.90	$2.05	913.81K
Aug 14, 2026	$2.04	$2.07	$1.945	$1.96	649.02K
Aug 13, 2026	$2.15	$2.15	$1.98	$2.04	1.29M
Aug 12, 2026	$2.06	$2.175	$2.02	$2.15	786.2K
Aug 11, 2026	$1.68	$2.129	$1.65	$2.09	5.54M
Aug 10, 2026	$1.77	$1.78	$1.60	$1.69	805.59K
Aug 7, 2026	$1.84	$2.00	$1.74	$1.78	1.25M
Aug 6, 2026	$1.49	$2.035	$1.482	$1.83	5.7M
Aug 5, 2026	$1.56	$1.57	$1.46	$1.49	392.31K
Aug 4, 2026	$1.51	$1.61	$1.51	$1.54	407.16K
Aug 3, 2026	$1.51	$1.54	$1.455	$1.51	359.92K
Jul 31, 2026	$1.62	$1.62	$1.485	$1.51	548.29K
Jul 30, 2026	$1.52	$1.67	$1.51	$1.62	453.15K
Jul 29, 2026	$1.51	$1.565	$1.49	$1.52	307.86K
Jul 28, 2026	$1.51	$1.54	$1.475	$1.52	342.8K
Jul 27, 2026	$1.49	$1.575	$1.47	$1.51	229K
Jul 24, 2026	$1.50	$1.5052	$1.455	$1.48	325.3K
Jul 23, 2026	$1.48	$1.545	$1.47	$1.49	607.11K
Jul 22, 2026	$1.53	$1.535	$1.49	$1.53	333.44K
Jul 21, 2026	$1.42	$1.55	$1.42	$1.54	499.66K
Jul 20, 2026	$1.49	$1.50	$1.415	$1.43	463.91K