Calamos Nasdaq-100 Structured Alt Protection ETF - September (CPNS)

NYSEARCA: CPNS · Real-Time Price · USD

28.36

+0.03 (0.09%)

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

28.36

0.00 (0.00%)

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

CPNS Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Aug 17, 2026	28.33	28.33	28.33	28.33	-	-	3
Aug 14, 2026	28.33	28.33	28.33	28.33	28.33	0.04%	222
Aug 13, 2026	28.35	28.36	28.32	28.32	28.32	-0.09%	1,846
Aug 12, 2026	28.32	28.35	28.32	28.35	28.35	0.03%	811
Aug 11, 2026	28.31	28.34	28.31	28.34	28.34	0.09%	10,158
Aug 10, 2026	28.31	28.31	28.31	28.31	28.31	-	115
Aug 7, 2026	28.31	28.33	28.30	28.31	28.31	0.07%	19,959
Aug 6, 2026	28.32	28.32	28.29	28.29	28.29	-0.02%	106
Aug 5, 2026	28.30	28.31	28.24	28.30	28.30	-	22,709
Aug 4, 2026	28.28	28.29	28.28	28.29	28.29	0.03%	932
Aug 3, 2026	28.26	28.28	28.25	28.28	28.28	0.11%	6,601
Jul 31, 2026	28.21	28.25	28.21	28.25	28.25	0.15%	1,583
Jul 30, 2026	28.18	28.21	27.97	28.21	28.21	0.39%	7,104
Jul 29, 2026	28.13	28.17	28.10	28.10	28.10	-0.27%	5,137
Jul 28, 2026	28.18	28.18	28.18	28.18	28.18	-	6
Jul 27, 2026	28.18	28.18	28.18	28.18	28.18	0.03%	6
Jul 24, 2026	28.15	28.18	28.15	28.17	28.17	-0.01%	2,059
Jul 23, 2026	28.16	28.17	28.16	28.17	28.17	-0.14%	3,953
Jul 22, 2026	28.21	28.21	28.21	28.21	28.21	0.02%	6
Jul 21, 2026	28.21	28.21	28.21	28.21	28.21	0.10%	285
Jul 20, 2026	28.17	28.18	28.17	28.18	28.18	0.05%	1,069
Jul 17, 2026	28.15	28.16	28.15	28.16	28.16	-0.06%	160
Jul 16, 2026	28.15	28.18	28.15	28.18	28.18	0.03%	900
Jul 15, 2026	28.22	28.22	28.16	28.17	28.17	-	4,551
Jul 14, 2026	28.18	28.18	28.17	28.17	28.17	-	2,541
Jul 13, 2026	28.17	28.17	28.17	28.17	28.17	-	6
Jul 10, 2026	28.17	28.19	28.16	28.17	28.17	0.11%	7,055
Jul 9, 2026	28.14	28.14	28.14	28.14	28.14	0.04%	116
Jul 8, 2026	28.14	28.14	28.10	28.13	28.13	0.01%	8,364
Jul 7, 2026	28.12	28.12	28.11	28.12	28.12	-0.05%	371
Jul 6, 2026	28.13	28.14	28.13	28.14	28.14	0.13%	213
Jul 2, 2026	28.10	28.10	28.10	28.10	28.10	-0.10%	42
Jul 1, 2026	28.14	28.14	28.11	28.13	28.13	0.08%	2,408
Jun 30, 2026	28.10	28.11	28.10	28.11	28.11	0.06%	1,167
Jun 29, 2026	28.07	28.09	28.07	28.09	28.09	0.14%	1,641
Jun 26, 2026	28.04	28.05	28.04	28.05	28.05	-0.01%	901
Jun 25, 2026	28.04	28.06	28.03	28.06	28.06	0.10%	2,231
Jun 24, 2026	28.09	28.09	28.03	28.03	28.03	-0.07%	3,250
Jun 23, 2026	28.05	28.05	28.05	28.05	28.05	-0.18%	411
Jun 22, 2026	28.09	28.10	28.09	28.10	28.10	0.05%	800
Jun 18, 2026	28.07	28.09	28.07	28.09	28.09	0.16%	116
Jun 17, 2026	28.04	28.04	28.04	28.04	28.04	-0.19%	477
Jun 16, 2026	28.08	28.11	28.07	28.09	28.09	-0.03%	2,315
Jun 15, 2026	28.10	28.10	28.10	28.10	28.10	0.23%	24
Jun 12, 2026	27.95	28.04	27.95	28.04	28.04	0.10%	1,724
Jun 11, 2026	27.99	28.01	27.95	28.01	28.01	0.11%	24,335
Jun 10, 2026	27.98	27.98	27.94	27.98	27.98	-0.08%	1,333
Jun 9, 2026	27.95	28.00	27.95	28.00	28.00	-0.07%	437
Jun 8, 2026	28.03	28.03	28.02	28.02	28.02	0.14%	225
Jun 5, 2026	28.04	28.04	27.98	27.98	27.98	-0.25%	244