NASDAQ · ARQ

Arq, Inc.

Industrials · Industrial - Pollution & Treatment Controls

$2.05

Down-$0.01 (-0.24%)

Updated Oct 8, 2026, 5:45 AM

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 Oct 7, 2026

Daily close

View OHLC price history

ARQ OHLC price history, latest 40 sessions
Date	Open	High	Low	Close	Volume
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
Oct 2, 2026	$1.91	$2.00	$1.91	$1.94	210.26K
Oct 1, 2026	$1.98	$2.04	$1.875	$1.89	202.15K
Sep 30, 2026	$1.92	$1.995	$1.88	$1.975	298.94K
Sep 29, 2026	$1.92	$1.92	$1.855	$1.91	263.36K
Sep 28, 2026	$2.03	$2.03	$1.86	$1.925	443.05K
Sep 25, 2026	$2.01	$2.0599	$1.98	$2.02	202.37K
Sep 24, 2026	$2.03	$2.04	$1.985	$2.01	266.21K
Sep 23, 2026	$2.10	$2.16	$2.01	$2.04	97.73K
Sep 22, 2026	$2.02	$2.08	$2.0148	$2.07	157.47K
Sep 21, 2026	$2.05	$2.155	$2.01	$2.02	145.6K
Sep 18, 2026	$2.09	$2.145	$2.01	$2.05	301.62K
Sep 17, 2026	$2.11	$2.13	$2.02	$2.06	119.11K
Sep 16, 2026	$2.07	$2.12	$2.0434	$2.105	122.46K
Sep 15, 2026	$2.16	$2.18	$2.035	$2.07	217.29K
Sep 14, 2026	$2.17	$2.22	$2.13	$2.14	166.6K
Sep 11, 2026	$2.23	$2.245	$2.1709	$2.20	126.38K
Sep 10, 2026	$2.18	$2.24	$2.155	$2.23	109.73K
Sep 9, 2026	$2.25	$2.2595	$2.15	$2.18	171.57K