Calamos S&P 500 Structured Alt Protection Etf June (CPSU)

NYSEARCA: CPSU · Real-Time Price · USD

27.93

-0.02 (-0.09%)

At close: Aug 17, 2026, 4:00 PM EDT

27.93

0.00 (0.00%)

After-hours: Aug 17, 2026, 4:10 PM EDT

CPSU Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Aug 17, 2026	27.91	27.96	27.91	27.93	27.93	-0.09%	3,266
Aug 14, 2026	27.93	27.97	27.93	27.95	27.95	0.04%	1,265
Aug 13, 2026	27.87	27.94	27.87	27.94	27.94	0.25%	5,355
Aug 12, 2026	27.85	27.87	27.85	27.87	27.87	-0.05%	297
Aug 11, 2026	27.92	27.92	27.87	27.89	27.89	-0.04%	2,385
Aug 10, 2026	27.88	27.93	27.87	27.90	27.90	-0.07%	2,280
Aug 7, 2026	27.90	27.92	27.90	27.92	27.92	0.14%	422
Aug 6, 2026	27.90	27.90	27.87	27.88	27.87	-0.02%	1,005
Aug 5, 2026	27.88	27.88	27.88	27.88	27.88	-	18
Aug 4, 2026	27.81	27.89	27.81	27.88	27.88	0.34%	1,320
Aug 3, 2026	27.79	27.79	27.79	27.79	27.79	0.27%	12
Jul 31, 2026	27.65	27.73	27.65	27.71	27.71	0.24%	6,117
Jul 30, 2026	27.68	27.70	27.60	27.65	27.65	0.43%	5,900
Jul 29, 2026	27.64	27.67	27.52	27.53	27.53	-0.46%	7,648
Jul 28, 2026	27.66	27.66	27.66	27.66	27.66	0.13%	14
Jul 27, 2026	27.59	27.62	27.59	27.62	27.62	-	1,224
Jul 24, 2026	27.62	27.62	27.62	27.62	27.62	-0.02%	134
Jul 23, 2026	27.63	27.64	27.63	27.63	27.63	-0.23%	651
Jul 22, 2026	27.69	27.69	27.69	27.69	27.69	-0.04%	22
Jul 21, 2026	27.72	27.73	27.70	27.70	27.70	0.09%	422
Jul 20, 2026	27.68	27.68	27.64	27.68	27.67	0.04%	945
Jul 17, 2026	27.70	27.70	27.67	27.67	27.67	-0.18%	542
Jul 16, 2026	27.75	27.75	27.72	27.72	27.72	-0.11%	310
Jul 15, 2026	27.75	27.75	27.75	27.75	27.75	0.07%	384
Jul 14, 2026	27.76	27.76	27.73	27.73	27.73	0.16%	313
Jul 13, 2026	27.65	27.68	27.65	27.68	27.68	-0.05%	2,721
Jul 10, 2026	27.73	27.73	27.70	27.70	27.70	0.02%	962
Jul 9, 2026	27.70	27.70	27.69	27.69	27.69	0.18%	814
Jul 8, 2026	27.62	27.65	27.62	27.64	27.64	-0.07%	317
Jul 7, 2026	27.68	27.68	27.66	27.66	27.66	-0.05%	169
Jul 6, 2026	27.61	27.70	27.61	27.67	27.67	0.14%	4,062
Jul 2, 2026	27.69	27.69	27.64	27.64	27.64	-	2,560
Jul 1, 2026	27.65	27.66	27.57	27.64	27.63	-	10,241
Jun 30, 2026	27.57	27.65	27.57	27.64	27.64	0.22%	8,246
Jun 29, 2026	27.57	27.57	27.54	27.57	27.57	0.06%	1,195
Jun 26, 2026	27.57	27.59	27.56	27.56	27.56	0.04%	8,128
Jun 25, 2026	27.59	27.59	27.55	27.55	27.55	-0.02%	1,332
Jun 24, 2026	27.51	27.61	27.51	27.55	27.55	-0.04%	14,882
Jun 23, 2026	27.61	27.61	27.52	27.56	27.56	-0.15%	17,341
Jun 22, 2026	27.58	27.65	27.55	27.60	27.60	-0.07%	10,193
Jun 18, 2026	27.65	27.66	27.61	27.62	27.62	0.04%	4,611
Jun 17, 2026	27.70	27.70	27.58	27.61	27.61	-0.50%	14,737
Jun 16, 2026	27.68	27.77	27.68	27.75	27.75	0.27%	87,341
Jun 15, 2026	27.75	27.75	27.68	27.68	27.68	0.32%	8,440
Jun 12, 2026	27.55	27.62	27.55	27.59	27.59	-0.05%	956
Jun 11, 2026	27.52	27.62	27.50	27.60	27.60	0.30%	21,670
Jun 10, 2026	27.53	27.55	27.51	27.52	27.52	-0.11%	23,707
Jun 9, 2026	27.64	27.64	27.47	27.55	27.55	-0.14%	14,726
Jun 8, 2026	27.64	27.64	27.59	27.59	27.59	-	6,407
Jun 5, 2026	27.66	27.67	27.54	27.59	27.59	-0.38%	7,400