NASDAQ · ARQQ

Arqit Quantum Inc.

Technology · Software - Infrastructure

$15.31

Up+$1.29 (+9.20%)

Updated Oct 21, 2026, 4:07 AM

SID Score

2.4/10

Composite research score

Smart Money

—

Institutional and insider signal

Price performance · ARQQ

ARQQ price history

1M range · 21 trading sessions · Daily adjusted prices

Prices through Oct 20, 2026

Daily close

View OHLC price history

ARQQ OHLC price history, latest 40 sessions
Date	Open	High	Low	Close	Volume
Oct 20, 2026	$13.64	$15.63	$13.50	$15.31	224.98K
Oct 19, 2026	$14.62	$14.64	$13.3701	$14.02	402.65K
Oct 16, 2026	$15.99	$16.06	$13.92	$14.02	401.82K
Oct 15, 2026	$14.97	$15.90	$14.50	$15.90	326.71K
Oct 14, 2026	$16.42	$16.5255	$15.32	$15.37	311.96K
Oct 13, 2026	$16.47	$17.19	$16.21	$16.84	232.88K
Oct 12, 2026	$17.27	$17.9735	$16.58	$16.655	292.49K
Oct 9, 2026	$19.22	$19.355	$16.285	$17.23	742.92K
Oct 8, 2026	$22.15	$22.50	$17.81	$18.43	832.29K
Oct 7, 2026	$22.33	$22.686	$22.00	$22.55	171.36K
Oct 6, 2026	$23.98	$24.80	$23.3319	$23.43	157.38K
Oct 5, 2026	$24.34	$24.44	$23.48	$23.68	166.96K
Oct 2, 2026	$24.30	$24.9276	$24.0801	$24.62	194.17K
Oct 1, 2026	$24.00	$24.16	$23.05	$23.95	130.12K
Sep 30, 2026	$24.48	$25.00	$23.90	$24.06	160.44K
Sep 29, 2026	$24.86	$25.10	$23.80	$24.12	212.68K
Sep 28, 2026	$24.30	$24.86	$23.5597	$24.64	194.64K
Sep 25, 2026	$23.16	$24.99	$22.4901	$24.60	371.85K
Sep 24, 2026	$21.94	$23.61	$21.70	$23.12	263.08K
Sep 23, 2026	$23.30	$23.545	$22.02	$22.54	237.41K
Sep 22, 2026	$23.51	$24.4994	$22.52	$23.04	391.6K