Quantum Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Sep 16, 2026	23.56	24.37	22.90	23.98	-	3.10%	325,162
Sep 15, 2026	22.90	24.07	22.61	23.26	23.26	1.91%	845,935
Sep 14, 2026	22.60	24.14	21.80	22.83	22.83	-3.20%	959,965
Sep 11, 2026	23.03	23.72	22.30	23.58	23.58	2.39%	673,673
Sep 10, 2026	23.54	24.54	22.90	23.03	23.03	-4.99%	978,771
Sep 9, 2026	24.40	25.49	24.08	24.24	24.24	-0.90%	859,801
Sep 8, 2026	24.73	25.75	24.33	24.46	24.46	-1.09%	1,441,739
Sep 4, 2026	24.47	25.48	23.93	24.73	24.73	1.77%	1,042,759
Sep 3, 2026	22.81	24.37	21.72	24.30	24.30	6.67%	792,211
Sep 2, 2026	24.05	24.42	22.27	22.78	22.78	-5.75%	913,944
Sep 1, 2026	23.85	24.68	23.06	24.17	24.17	-0.66%	858,323
Aug 31, 2026	21.97	24.41	21.41	24.33	24.33	9.30%	1,190,645
Aug 28, 2026	23.42	23.72	21.91	22.26	22.26	-5.52%	726,894
Aug 27, 2026	23.50	23.85	22.84	23.56	23.56	1.51%	878,016
Aug 26, 2026	22.31	23.26	21.72	23.21	23.21	3.66%	852,980
Aug 25, 2026	21.90	22.41	21.01	22.39	22.39	3.85%	956,859
Aug 24, 2026	21.31	21.91	20.48	21.56	21.56	-3.10%	921,472
Aug 21, 2026	20.80	22.40	19.73	22.25	22.25	8.59%	1,455,183
Aug 20, 2026	21.52	21.79	19.73	20.49	20.49	-5.97%	1,456,794
Aug 19, 2026	23.27	23.27	21.29	21.79	21.79	-7.36%	1,847,853
Aug 18, 2026	23.84	26.28	23.46	23.52	23.52	-5.62%	1,578,087
Aug 17, 2026	24.83	25.95	23.75	24.92	24.92	-4.56%	2,088,137
Aug 14, 2026	24.68	27.80	24.10	26.11	26.11	5.79%	4,265,713
Aug 13, 2026	21.75	24.93	21.52	24.68	24.68	12.51%	4,360,338
Aug 12, 2026	20.10	22.22	20.01	21.94	21.94	13.07%	4,995,460
Aug 11, 2026	14.52	19.60	13.99	19.40	19.40	64.69%	16,331,482
Aug 10, 2026	12.20	12.45	11.44	11.78	11.78	-2.16%	1,192,412
Aug 7, 2026	11.88	12.18	11.65	12.04	12.04	3.08%	656,865
Aug 6, 2026	11.39	12.19	11.06	11.68	11.68	0.86%	548,506
Aug 5, 2026	11.33	11.98	11.13	11.58	11.58	1.14%	486,422
Aug 4, 2026	10.88	11.63	10.76	11.45	11.45	8.43%	1,192,462
Aug 3, 2026	10.60	11.02	10.19	10.56	10.56	-0.75%	728,085
Jul 31, 2026	11.41	12.23	10.57	10.64	10.64	-5.34%	1,407,222
Jul 30, 2026	11.41	11.43	10.34	11.24	11.24	7.56%	1,472,709
Jul 29, 2026	11.30	12.81	10.40	10.45	10.45	-7.36%	1,583,460
Jul 28, 2026	10.91	11.43	9.86	11.28	11.28	2.83%	1,141,524
Jul 27, 2026	11.36	11.52	10.59	10.97	10.97	-1.17%	1,063,918
Jul 24, 2026	11.43	11.54	10.94	11.10	11.10	-3.90%	347,625
Jul 23, 2026	11.37	12.35	11.34	11.55	11.55	-0.94%	611,039
Jul 22, 2026	11.29	12.24	11.27	11.66	11.66	1.75%	654,175
Jul 21, 2026	11.35	11.67	11.32	11.46	11.46	4.28%	688,856
Jul 20, 2026	10.67	11.48	10.54	10.99	10.99	3.39%	689,375
Jul 17, 2026	9.16	10.80	9.06	10.63	10.63	10.73%	1,023,507
Jul 16, 2026	10.07	10.39	9.48	9.60	9.60	-6.80%	943,766
Jul 15, 2026	10.27	11.60	10.11	10.30	10.30	2.39%	1,483,659
Jul 14, 2026	9.66	10.31	9.66	10.06	10.06	4.03%	555,645
Jul 13, 2026	9.88	10.16	9.56	9.67	9.67	-3.49%	437,120
Jul 10, 2026	10.35	10.45	9.63	10.02	10.02	-3.65%	720,890
Jul 9, 2026	10.78	10.97	10.31	10.40	10.40	-1.89%	772,585
Jul 8, 2026	9.89	10.69	9.83	10.60	10.60	4.64%	1,419,975