NASDAQ · ARQ

Arq, Inc.

Industrials · Industrial - Pollution & Treatment Controls

$1.81

Up+$0.03 (+1.66%)

Updated Nov 3, 2026, 10:07 PM

SID Score

2.8/10

Composite research score

Smart Money

—

Institutional and insider signal

Price performance · ARQ

ARQ price history

1M range · 21 trading sessions · Daily adjusted prices

Prices through Nov 2, 2026

Daily close

View OHLC price history

ARQ OHLC price history, latest 40 sessions
Date	Open	High	Low	Close	Volume
Nov 2, 2026	$1.78	$1.83	$1.76	$1.81	197.01K
Oct 30, 2026	$1.78	$1.79	$1.70	$1.77	281.25K
Oct 29, 2026	$1.83	$1.84	$1.75	$1.77	221.27K
Oct 28, 2026	$1.80	$1.86	$1.75	$1.85	185.39K
Oct 27, 2026	$1.75	$1.82	$1.74	$1.78	143.7K
Oct 26, 2026	$1.74	$1.805	$1.69	$1.74	214.99K
Oct 23, 2026	$1.75	$1.795	$1.68	$1.75	363.89K
Oct 22, 2026	$1.79	$1.82	$1.755	$1.77	174.51K
Oct 21, 2026	$1.85	$1.87	$1.76	$1.84	248.23K
Oct 20, 2026	$1.76	$1.88	$1.74	$1.86	333.7K
Oct 19, 2026	$1.80	$1.81	$1.71	$1.78	387.42K
Oct 16, 2026	$1.87	$1.875	$1.79	$1.79	497.19K
Oct 15, 2026	$1.89	$1.89	$1.83	$1.855	276.33K
Oct 14, 2026	$1.96	$1.971	$1.89	$1.93	226.29K
Oct 13, 2026	$1.97	$2.025	$1.945	$1.97	194.99K
Oct 12, 2026	$2.03	$2.03	$1.94	$1.96	69.6K
Oct 9, 2026	$2.05	$2.08	$1.91	$2.03	268.42K
Oct 8, 2026	$2.02	$2.11	$2.00	$2.105	168.34K
Oct 7, 2026	$2.00	$2.06	$1.98	$2.045	240.3K
Oct 6, 2026	$2.03	$2.06	$2.01	$2.05	177.49K
Oct 5, 2026	$1.96	$2.05	$1.92	$2.02	218.47K