NASDAQ · ARQQ

Arqit Quantum Inc.

Technology · Software - Infrastructure

$20.13

Up+$0.61 (+3.12%)

Updated Sep 21, 2026, 6:23 AM

SID Score

3.3/10

Composite research score

Smart Money

—

Institutional and insider signal

Price performance

ARQQ price history

1M range · 19 trading sessions · Daily adjusted prices

Daily close

View OHLC price history

ARQQ OHLC price history, latest 40 sessions
Date	Open	High	Low	Close	Volume
Sep 18, 2026	$19.76	$20.48	$18.413	$20.13	655.55K
Sep 17, 2026	$19.59	$19.95	$19.2501	$19.52	246.72K
Sep 16, 2026	$18.21	$19.33	$18.08	$19.01	492.21K
Sep 15, 2026	$16.66	$19.00	$16.4006	$18.27	769.71K
Sep 14, 2026	$19.22	$19.22	$16.0708	$16.29	1.48M
Sep 11, 2026	$20.71	$20.9532	$20.00	$20.05	131.62K
Sep 10, 2026	$20.70	$21.71	$20.55	$20.58	173.04K
Sep 9, 2026	$22.21	$22.82	$21.40	$21.64	259.82K
Sep 8, 2026	$22.17	$23.29	$22.12	$22.59	259.85K
Sep 4, 2026	$20.85	$21.40	$20.2285	$21.37	149.44K
Sep 3, 2026	$20.54	$21.36	$20.20	$20.62	250.43K
Sep 2, 2026	$18.60	$21.28	$18.60	$20.54	668.21K
Sep 1, 2026	$19.25	$19.65	$18.7435	$18.90	161.5K
Aug 31, 2026	$19.33	$20.46	$19.242	$19.88	121.92K
Aug 28, 2026	$21.42	$21.695	$19.90	$20.04	202.67K
Aug 27, 2026	$21.05	$21.95	$20.85	$21.46	190.3K
Aug 26, 2026	$20.38	$20.99	$19.90	$20.36	176.69K
Aug 25, 2026	$20.92	$21.698	$20.12	$20.42	190.95K
Aug 24, 2026	$20.75	$20.75	$19.2505	$20.13	247.39K