Arqit Quantum Inc. (ARQQ) NASDAQ

Currency In USD

ARQQ Historical Return

If you invested $1000 in Arqit Quantum Inc. (ARQQ) since IPO date, it would be worth $88.08 as of August 23, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $85.07, while $1000 invested 1 year ago would be worth $685.47. This corresponds to total returns of -91.19%, -91.49%, -31.45%, respectively, with annualized returns of -36.25%, -38.9%, -31.45%.

Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.

ARQQ Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
August 21, 2026	21.34	21.14	21.14	22.49	20.35	719,706
August 20, 2026	21.15	20.94	20.94	21.57	20.35	153,767
August 19, 2026	21.5	21.53	21.53	21.88	20.75	0
August 18, 2026	22.82	21.98	21.98	23.86	21.8	336,240
August 17, 2026	24.12	24.35	24.35	24.63	23.3	226,518
August 14, 2026	23.47	24.36	24.36	24.9	23.3	181,111
August 13, 2026	23.92	23.75	23.75	24.37	23.02	223,313
August 12, 2026	24.41	23.72	23.72	24.41	23.15	0
August 11, 2026	23.09	24.39	24.39	24.5	22.58	0
August 10, 2026	23	22.61	22.61	23.42	22.04	206,242
August 07, 2026	21.98	22.9	22.9	23.19	21.51	257,043
August 06, 2026	20.69	21.47	21.47	22.27	20.22	198,670
August 05, 2026	21.69	20.97	20.97	21.83	20.01	340,590
August 04, 2026	19.64	21.98	21.98	22	18.9	635,182
August 03, 2026	17.46	18.45	18.45	18.59	17.13	261,305
July 31, 2026	17.98	17.13	17.13	18.39	16.82	185,759
July 30, 2026	16.15	17.71	17.71	17.8	16.04	305,505
July 29, 2026	17.42	15.49	15.49	18	15.42	382,893
July 28, 2026	17.59	17.55	17.55	18.06	16.66	323,952
July 27, 2026	17.17	18.18	18.18	18.99	17.17	318,622
July 24, 2026	18.48	16.65	16.65	18.78	16.63	284,213
July 23, 2026	17.29	18.35	18.35	19.37	17.19	325,089
July 22, 2026	17.45	18.08	18.08	19.15	17.19	429,475
July 21, 2026	17.72	17.2	17.2	18.08	16.61	313,823
July 20, 2026	17.35	17.21	17.21	17.86	16.85	266,647
July 17, 2026	16.29	17.42	17.42	18.14	16.06	350,220
July 16, 2026	17.7	16.53	16.53	18.13	16.24	485,046
July 15, 2026	19.02	18.25	18.25	19.53	17.72	447,999
July 14, 2026	18.23	18.73	18.73	18.93	17.94	286,030
July 13, 2026	18.6	18.02	18.02	18.8	17.4	544,514
July 10, 2026	20.7	19.08	19.08	21	18.6	555,458
July 09, 2026	20.05	20.47	20.47	21.33	19.53	482,500
July 08, 2026	19.23	20.05	20.05	21.48	19.19	611,454
July 07, 2026	21.73	19.84	19.84	21.73	18.95	1.09M
July 06, 2026	24.46	22.13	22.13	24.82	21.77	710,913
July 02, 2026	28.7	23.52	23.52	28.75	23.2	1.13M
July 01, 2026	29.26	28.85	28.85	30.98	28.29	785,616
June 30, 2026	26.78	29.72	29.72	30.33	25.91	1.23M
June 29, 2026	24.8	27.31	27.31	28.59	24	1M
June 26, 2026	26.5	24.26	24.26	28.14	24.11	695,295
June 25, 2026	26.74	27.32	27.32	29.15	25.04	898,138
June 24, 2026	28.21	28.64	28.64	29.29	24.51	1.65M
June 23, 2026	21.05	29.04	29.04	29.89	21.05	3.24M
June 22, 2026	23.62	21.42	21.42	24.39	20.29	1.45M
June 18, 2026	23.31	24.38	24.38	25.7	21.01	5.66M
June 17, 2026	19.89	22.6	22.6	24.09	19.5	2.77M
June 16, 2026	17.38	19.94	19.94	20.53	17	2.29M
June 15, 2026	14.37	17.92	17.92	18.63	14.37	3.03M
June 12, 2026	13.49	13.6	13.6	14.07	13.17	393,515
June 11, 2026	13.05	13.69	13.69	13.84	12.77	492,003
June 10, 2026	12.16	13.09	13.09	13.91	12.16	578,196
June 09, 2026	13.2	12.49	12.49	14.16	12.07	848,784
June 08, 2026	12.66	12.82	12.82	13.25	12.3	491,594
June 05, 2026	13.9	12.14	12.14	14.01	11.8	0
June 04, 2026	14.31	14.22	14.22	14.83	14.01	530,098
June 03, 2026	15.75	14.64	14.64	15.96	14.55	722,928
June 02, 2026	17.24	16.27	16.27	17.54	15.88	630,092
June 01, 2026	16.23	16.96	16.96	17.33	15.88	500,370
May 29, 2026	16.81	16.51	16.51	17.02	15.92	474,557
May 28, 2026	16	16.91	16.91	17.8	15.88	1.05M