Arqit Quantum Inc. (ARQQ) — Price History

As of 2026-08-07 — refreshed nightly from the Closelook data lake. Diary readings, not advice.

Daily prices

Date	Open	High	Low	Close	Chg %	Volume
2026-08-07	21.98	23.19	21.51	22.90	+6.66%	257,300
2026-08-06	20.69	22.27	20.22	21.47	+2.38%	198,700
2026-08-05	21.69	21.83	20.01	20.97	-4.60%	342,000
2026-08-04	19.64	22.00	18.90	21.98	+19.13%	641,400
2026-08-03	17.46	18.59	17.14	18.45	+7.71%	261,600
2026-07-31	17.98	18.39	16.82	17.13	-3.27%	187,000
2026-07-30	16.15	17.80	16.04	17.71	+14.33%	306,600
2026-07-29	17.42	18.00	15.42	15.49	-11.74%	383,600
2026-07-28	17.59	18.06	16.66	17.55	-3.47%	324,600
2026-07-27	17.17	18.99	17.17	18.18	+9.19%	318,800
2026-07-24	18.48	18.78	16.63	16.65	-9.26%	285,400
2026-07-23	17.29	19.37	17.19	18.35	+1.49%	326,100
2026-07-22	17.45	19.15	17.19	18.08	+5.12%	433,300
2026-07-21	17.72	18.08	16.61	17.20	-0.06%	314,200
2026-07-20	17.35	17.86	16.85	17.21	-1.21%	267,900
2026-07-17	16.29	18.14	16.06	17.42	+5.38%	351,700
2026-07-16	17.70	18.13	16.24	16.53	-9.42%	486,900
2026-07-15	19.02	19.53	17.72	18.25	-2.56%	449,200
2026-07-14	18.23	18.93	17.94	18.73	+3.94%	286,100
2026-07-13	18.60	18.80	17.40	18.02	-5.56%	544,700
2026-07-10	20.70	21.00	18.60	19.08	-6.79%	557,100
2026-07-09	20.05	21.33	19.53	20.47	+2.09%	483,800
2026-07-08	19.23	21.48	19.19	20.05	+1.06%	612,900
2026-07-07	21.73	21.73	18.95	19.84	-10.35%	1,093,600
2026-07-06	24.46	24.82	21.77	22.13	-5.89%	716,800
2026-07-02	28.70	28.75	23.20	23.52	-18.49%	1,126,800
2026-07-01	29.26	30.98	28.29	28.85	-2.93%	787,000
2026-06-30	26.78	30.33	25.91	29.72	+8.82%	1,232,700
2026-06-29	24.80	28.59	24.00	27.31	+12.57%	1,006,700
2026-06-26	26.50	28.14	24.11	24.26	-11.20%	698,700
2026-06-25	26.74	29.15	25.04	27.32	-4.61%	907,000
2026-06-24	28.21	29.29	24.51	28.64	-1.38%	1,709,700
2026-06-23	21.05	29.89	21.05	29.04	+35.57%	3,270,200
2026-06-22	23.62	24.39	20.29	21.42	-12.14%	1,466,800
2026-06-18	23.30	25.70	21.01	24.38	+7.88%	5,673,000
2026-06-17	19.89	24.09	19.50	22.60	+13.34%	2,777,700
2026-06-16	17.38	20.53	17.00	19.94	+11.27%	2,305,100
2026-06-15	14.37	18.63	14.37	17.92	+31.76%	3,048,900
2026-06-12	13.49	14.07	13.17	13.60	-0.66%	393,600
2026-06-11	13.05	13.84	12.77	13.69	+4.58%	494,900
2026-06-10	12.16	13.91	12.16	13.09	+4.80%	580,200
2026-06-09	13.20	14.16	12.07	12.49	-2.57%	850,300
2026-06-08	12.66	13.25	12.30	12.82	+5.60%	493,500
2026-06-05	13.90	14.01	11.80	12.14	-14.63%	802,900
2026-06-04	14.31	14.83	14.01	14.22	-2.87%	533,500
2026-06-03	15.81	15.96	14.55	14.64	-10.02%	740,900
2026-06-02	17.24	17.54	15.88	16.27	-4.07%	635,100
2026-06-01	16.23	17.33	15.88	16.96	+2.73%	502,800
2026-05-29	16.81	17.02	15.92	16.51	-2.37%	475,100
2026-05-28	16.00	17.80	15.88	16.91	+5.03%	1,051,100
2026-05-27	16.47	16.47	15.38	16.10	-2.95%	658,000
2026-05-26	18.04	18.04	15.90	16.59	-5.15%	1,085,000
2026-05-22	16.76	19.00	16.49	17.49	+6.32%	2,187,100
2026-05-21	13.96	17.40	13.81	16.45	+25.67%	2,105,400
2026-05-20	12.17	13.21	12.16	13.09	+7.56%	334,600
2026-05-19	12.50	12.55	11.91	12.17	-4.47%	378,400
2026-05-18	13.28	13.32	12.42	12.74	-4.50%	372,700
2026-05-15	13.53	13.53	12.91	13.34	-3.82%	336,500
2026-05-14	13.74	14.26	12.90	13.87	+0.29%	465,400
2026-05-13	14.10	14.24	13.50	13.83	-3.96%	406,100
2026-05-12	15.06	15.60	13.90	14.40	-4.00%	505,700
2026-05-11	14.66	15.50	14.20	15.00	+0.27%	487,400
2026-05-08	15.43	15.48	14.51	14.96	-3.05%	626,800
2026-05-07	15.43	16.24	15.05	15.43	-1.59%	627,800
2026-05-06	14.99	15.75	14.75	15.68	+7.03%	544,700
2026-05-05	14.62	14.87	13.95	14.65	+1.60%	247,600
2026-05-04	14.60	15.19	14.37	14.42	-0.69%	244,900
2026-05-01	14.57	14.64	13.97	14.52	+1.11%	240,600
2026-04-30	13.16	14.41	13.12	14.36	+8.62%	265,900
2026-04-29	14.01	14.11	13.04	13.22	-6.17%	281,100
2026-04-28	14.38	14.46	13.88	14.09	-3.36%	186,500
2026-04-27	14.39	15.00	14.25	14.58	+0.34%	222,900
2026-04-24	14.55	14.86	13.70	14.53	+0.55%	314,400
2026-04-23	15.40	15.50	14.14	14.45	-8.31%	331,600
2026-04-22	15.48	16.19	15.27	15.76	+6.13%	354,900
2026-04-21	16.19	16.90	14.80	14.85	-8.05%	619,600
2026-04-20	15.43	16.39	15.40	16.15	+0.75%	484,500
2026-04-17	16.25	16.73	15.86	16.03	+1.65%	740,400
2026-04-16	17.61	17.70	15.58	15.77	-2.83%	1,100,500
2026-04-15	15.25	16.60	15.01	16.23	+16.18%	1,199,100
2026-04-14	13.65	14.67	13.65	13.97	+5.51%	381,400
2026-04-13	12.30	13.35	11.91	13.24	+5.67%	202,400
2026-04-10	12.49	12.85	12.40	12.53	+0.72%	99,200
2026-04-09	12.73	12.99	12.36	12.44	-3.27%	160,200
2026-04-08	13.76	13.97	12.61	12.86	+2.47%	189,600
2026-04-07	13.00	13.14	12.21	12.55	-5.78%	147,200
2026-04-06	13.76	14.25	13.17	13.32	-4.65%	153,500
2026-04-02	12.74	13.99	12.31	13.97	+2.80%	188,400
2026-04-01	13.70	14.28	13.25	13.59	+2.57%	210,700
2026-03-31	12.01	13.32	12.01	13.25	+11.34%	255,000
2026-03-30	11.91	12.18	11.52	11.90	+1.02%	173,100
2026-03-27	12.58	12.58	11.59	11.78	-7.75%	206,100
2026-03-26	13.19	13.58	12.74	12.77	-6.24%	139,500
2026-03-25	13.94	14.37	13.35	13.62	+0.37%	124,100
2026-03-24	14.21	14.38	13.54	13.57	-5.63%	147,000
2026-03-23	13.55	14.50	13.20	14.38	+5.74%	221,300
2026-03-20	13.70	14.15	13.16	13.60	-1.95%	204,400
2026-03-19	13.44	14.00	12.91	13.87	+1.76%	216,600
2026-03-18	14.00	14.40	13.60	13.63	-3.74%	146,800
2026-03-17	13.97	14.60	13.88	14.16	+1.18%	154,900
2026-03-16	13.97	14.33	13.63	13.99	+2.68%	129,500
2026-03-13	14.20	14.75	13.61	13.63	-2.99%	171,900
2026-03-12	14.51	14.86	14.04	14.05	-4.75%	132,200
2026-03-11	15.26	15.54	14.42	14.75	-2.25%	259,700
2026-03-10	15.72	15.84	15.00	15.09	-2.52%	247,000
2026-03-09	15.07	15.57	14.68	15.48	+0.45%	285,500
2026-03-06	15.70	16.33	15.36	15.41	-3.20%	183,000
2026-03-05	16.24	16.73	15.69	15.92	-4.44%	185,700
2026-03-04	16.20	16.75	16.01	16.66	+4.58%	142,200
2026-03-03	15.98	16.31	15.31	15.93	-5.52%	150,000
2026-03-02	15.72	16.93	15.43	16.86	+2.43%	183,700
2026-02-27	16.55	16.63	16.01	16.46	-5.73%	247,200
2026-02-26	17.27	17.81	16.84	17.46	+3.68%	327,800
2026-02-25	17.09	17.54	16.71	16.84	+2.75%	253,100
2026-02-24	15.26	16.50	15.26	16.39	+7.09%	231,900
2026-02-23	15.55	15.67	15.02	15.30	-3.44%	178,000
2026-02-20	16.63	17.00	15.75	15.85	-5.71%	378,900
2026-02-19	16.00	16.87	15.82	16.81	+3.38%	153,000
2026-02-18	16.45	17.04	15.85	16.26	-1.63%	149,200
2026-02-17	16.90	16.90	16.06	16.53	-2.76%	157,800
2026-02-13	17.16	17.45	16.40	17.00	+1.31%	133,900
2026-02-12	17.32	17.33	15.89	16.78	-3.12%	253,900
2026-02-11	17.77	17.89	16.59	17.32	-1.37%	234,900
2026-02-10	18.31	18.60	17.50	17.56	-5.08%	223,900
2026-02-09	18.87	19.09	18.11	18.50	-0.48%	292,800
2026-02-06	16.89	19.21	16.81	18.59	+15.32%	462,400
2026-02-05	17.48	18.14	16.00	16.12	-12.01%	365,500
2026-02-04	19.76	19.77	17.60	18.32	-7.43%	343,300
2026-02-03	20.24	20.58	18.54	19.79	-1.88%	335,700
2026-02-02	20.02	20.92	19.51	20.17	-0.74%	289,300
2026-01-30	21.64	22.04	20.00	20.32	-8.76%	324,000
2026-01-29	22.93	22.93	21.51	22.27	-3.55%	280,700
2026-01-28	23.96	24.00	22.66	23.09	-0.94%	266,300
2026-01-27	22.94	23.95	22.66	23.31	+0.17%	246,100
2026-01-26	24.54	24.82	22.91	23.27	-3.84%	215,900
2026-01-23	25.31	25.31	23.91	24.20	-4.54%	177,700
2026-01-22	25.35	26.10	25.00	25.35	+1.56%	262,600
2026-01-21	25.28	26.37	23.22	24.96	-0.76%	248,000
2026-01-20	24.56	26.50	24.00	25.15	-5.45%	312,500
2026-01-16	26.88	27.77	26.34	26.60	-1.37%	200,800
2026-01-15	26.61	28.15	26.12	26.97	+1.35%	283,200
2026-01-14	26.06	26.85	25.27	26.61	+1.64%	315,400
2026-01-13	26.70	27.16	24.67	26.18	-1.58%	441,000
2026-01-12	26.15	27.00	25.23	26.60	-1.00%	289,800
2026-01-09	27.80	28.17	26.56	26.87	-1.50%	346,600
2026-01-08	27.00	27.67	26.55	27.28	+1.04%	180,900
2026-01-07	27.40	27.73	26.68	27.00	-2.28%	168,400
2026-01-06	28.29	28.64	26.50	27.63	-0.90%	346,300
2026-01-05	25.15	29.20	25.15	27.88	+13.61%	640,500
2026-01-02	22.78	24.73	21.60	24.54	+12.16%	391,500
2025-12-31	21.85	22.25	21.43	21.88	-0.27%	327,600
2025-12-30	21.72	22.46	21.69	21.94	+1.01%	319,600
2025-12-29	22.15	23.25	21.63	21.72	-4.78%	407,600
2025-12-26	24.94	24.94	22.72	22.81	-9.81%	425,300
2025-12-24	25.07	25.38	24.27	25.29	-0.12%	204,500
2025-12-23	25.89	26.06	24.70	25.32	-4.42%	288,400
2025-12-22	26.00	28.09	25.80	26.49	+3.92%	389,100
2025-12-19	23.99	26.23	23.99	25.49	+6.52%	537,400
2025-12-18	23.16	25.00	23.14	23.93	+6.54%	325,900
2025-12-17	25.02	25.73	22.38	22.46	-9.18%	420,500
2025-12-16	24.01	25.18	23.65	24.73	+1.56%	352,500
2025-12-15	28.16	28.32	24.15	24.35	-14.11%	613,200
2025-12-12	28.98	30.45	27.65	28.35	-4.55%	362,300
2025-12-11	27.88	29.98	27.50	29.70	+2.52%	212,100
2025-12-10	29.83	29.88	28.30	28.97	-2.23%	224,800
2025-12-09	28.07	30.00	27.04	29.63	+0.00%	360,000
2025-12-08	30.38	30.38	28.12	29.63	-2.63%	395,900
2025-12-05	31.28	31.75	29.52	30.43	-3.40%	342,400
2025-12-04	29.82	31.69	28.90	31.50	+6.64%	656,200
2025-12-03	27.96	30.07	26.69	29.54	+7.11%	245,600
2025-12-02	26.60	28.38	26.40	27.58	+4.39%	216,800
2025-12-01	27.35	27.83	26.29	26.42	-7.33%	268,800
2025-11-28	28.01	28.88	27.05	28.51	+3.41%	209,000
2025-11-26	26.94	27.90	26.40	27.57	+7.11%	331,400
2025-11-25	26.46	26.46	24.63	25.74	-2.09%	251,000
2025-11-24	24.51	26.48	24.01	26.29	+7.88%	348,900
2025-11-21	24.55	24.76	21.59	24.37	+0.41%	559,200
2025-11-20	28.18	29.90	24.11	24.27	-10.64%	476,300
2025-11-19	27.29	28.27	26.70	27.16	+2.65%	468,200
2025-11-18	25.53	26.90	24.60	26.46	+1.93%	501,200
2025-11-17	27.84	28.59	25.61	25.96	-5.53%	434,200
2025-11-14	25.56	29.38	25.43	27.48	-0.18%	917,000
2025-11-13	29.25	29.69	27.30	27.53	-9.20%	623,000
2025-11-12	31.50	32.72	29.86	30.32	-3.47%	362,900
2025-11-11	30.90	32.32	30.62	31.41	-2.42%	345,800
2025-11-10	36.16	36.50	31.85	32.19	-4.88%	667,800
2025-11-07	30.47	34.51	29.86	33.84	+5.85%	607,300
2025-11-06	34.95	35.00	31.39	31.97	-6.66%	508,500
2025-11-05	36.54	36.87	33.60	34.25	-4.89%	748,700
2025-11-04	38.52	40.30	36.00	36.01	-11.59%	539,800
2025-11-03	43.36	43.36	38.50	40.73	-6.65%	699,700
2025-10-31	43.34	46.20	42.44	43.63	+2.93%	484,200
2025-10-30	43.11	44.55	41.50	42.39	-6.57%	450,200
2025-10-29	43.00	46.65	41.80	45.37	+5.54%	653,500
2025-10-28	47.01	48.00	42.00	42.99	-8.61%	735,600
2025-10-27	45.43	49.33	43.51	47.04	+10.14%	1,068,200
2025-10-24	41.39	44.19	40.33	42.71	+9.43%	868,100
2025-10-23	38.91	39.99	36.40	39.03	+11.26%	930,900
2025-10-22	37.59	37.79	33.60	35.08	-9.00%	1,123,300
2025-10-21	38.99	40.54	37.80	38.55	-2.55%	516,000
2025-10-20	42.67	43.16	38.91	39.56	-4.65%	832,300
2025-10-17	40.56	41.63	37.85	41.49	+4.88%	1,176,100
2025-10-16	53.60	53.60	38.81	39.56	-26.01%	3,037,600
2025-10-15	60.53	61.11	50.10	53.47	-8.06%	1,345,400
2025-10-14	57.00	60.50	53.53	58.16	-0.19%	884,600
2025-10-13	50.86	58.80	50.85	58.27	+20.09%	1,238,100
2025-10-10	53.88	54.35	48.00	48.52	-9.95%	818,900
2025-10-09	52.00	55.86	50.26	53.88	-0.61%	700,600
2025-10-08	56.82	62.00	50.72	54.21	-1.85%	1,158,600
2025-10-07	56.29	59.62	52.31	55.23	+2.54%	1,127,500
2025-10-06	50.00	54.65	47.30	53.86	+7.89%	1,069,200
2025-10-03	50.35	52.30	47.77	49.92	+2.74%	1,289,200
2025-10-02	41.81	48.80	41.06	48.59	+17.94%	1,101,600
2025-10-01	37.98	41.67	37.08	41.20	+6.32%	573,500
2025-09-30	35.06	38.98	34.76	38.75	+9.77%	548,000
2025-09-29	37.55	38.89	34.90	35.30	-3.16%	495,300
2025-09-26	38.04	39.60	36.38	36.45	-5.20%	592,900
2025-09-25	38.14	39.83	36.80	38.45	-8.71%	819,500
2025-09-24	41.00	45.29	38.10	42.12	+3.77%	1,115,800
2025-09-23	42.10	42.65	38.77	40.59	-1.65%	745,100
2025-09-22	40.08	41.33	36.00	41.27	-1.10%	952,800
2025-09-19	37.00	42.21	37.00	41.73	+11.58%	1,395,400
2025-09-18	36.32	37.67	35.00	37.40	+5.59%	739,700
2025-09-17	32.86	35.59	31.16	35.42	+7.04%	636,000
2025-09-16	33.51	34.90	32.20	33.09	-0.21%	366,800
2025-09-15	33.58	34.00	32.32	33.16	-1.63%	417,500
2025-09-12	30.26	33.85	30.06	33.71	+11.42%	644,700
2025-09-11	27.92	30.50	27.92	30.25	+8.83%	299,100
2025-09-10	28.75	29.48	27.51	27.80	-1.14%	232,200
2025-09-09	26.70	28.14	26.55	28.12	+5.60%	275,000
2025-09-08	27.90	28.21	26.31	26.63	-4.38%	299,600
2025-09-05	28.09	28.46	26.95	27.85	+1.62%	145,400
2025-09-04	27.17	27.61	26.41	27.41	-1.31%	188,200
2025-09-03	27.93	28.84	27.10	27.77	+0.11%	224,900
2025-09-02	28.30	29.41	27.18	27.74	-7.53%	331,200
2025-08-29	31.65	31.93	29.96	30.00	-5.93%	200,100
2025-08-28	31.37	32.40	30.97	31.89	+4.87%	236,300
2025-08-27	31.39	31.60	30.35	30.41	-3.67%	198,400
2025-08-26	30.84	32.00	30.80	31.57	+2.37%	228,100
2025-08-25	30.51	31.30	29.50	30.84	+0.10%	203,200
2025-08-22	28.54	30.87	28.50	30.81	+7.65%	278,665
2025-08-21	29.00	29.13	27.82	28.62	-2.42%	263,554
2025-08-20	29.50	29.91	27.29	29.33	-2.17%	516,566
2025-08-19	32.50	32.50	29.79	29.98	-7.78%	343,019
2025-08-18	32.40	32.56	30.86	32.51	-1.34%	255,551
2025-08-15	31.89	32.96	30.80	32.95	+1.51%	281,862
2025-08-14	33.11	33.61	31.15	32.46	-6.13%	539,494
2025-08-13	34.76	35.50	33.81	34.58	+1.32%	437,027
2025-08-12	32.95	34.39	31.99	34.13	+3.77%	401,504
2025-08-11	32.75	34.36	31.51	32.89	+1.73%	362,122

Most recent 250 sessions, newest first.

Seasonal returns

Best month historically: Nov (+79.14%). Worst month: Jan (-24.41%). Based on 5 years of daily data (2022–2026).

Jan-24.41%
Feb-9.52%
Mar-1.11%
Apr-6.66%
May+15.07%
Jun+29.33%
Jul-8.85%
Aug-17.69%
Sep-7.38%
Oct-4.60%
Nov+79.14%
Dec+1.06%

FAQ · from the current price data · as of 2026-08-07

Quick answers

What is Arqit Quantum Inc.'s (ARQQ) latest close?

22.90 on 2026-08-07, from the Closelook data lake's daily price record.

What is ARQQ's 52-week high and low?

62.00 high and 11.52 low over the trailing 52 weeks, as of 2026-08-07.

What is Arqit Quantum Inc.'s strongest and weakest month historically?

Historically, ARQQ's strongest calendar month has been Nov (average +79.14%) and its weakest Jan (average -24.41%), based on 5 years of daily data (2022–2026).

How many years of seasonality does this cover?

5 years (2022–2026), computed from 965 daily bars in the Closelook data lake.