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

NYSEARCA: CPNS · Real-Time Price · USD

27.76

-0.03 (-0.09%)

At close: Apr 28, 2026, 4:00 PM EDT

27.76

0.00 (0.00%)

After-hours: Apr 28, 2026, 4:10 PM EDT

CPNS Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Apr 27, 2026	27.79	27.79	27.79	27.79	27.79	0.04%	22
Apr 24, 2026	27.74	27.78	27.74	27.78	27.78	0.21%	961
Apr 23, 2026	27.71	27.73	27.71	27.72	27.72	-0.04%	1,315
Apr 22, 2026	27.71	27.73	27.69	27.73	27.73	0.18%	3,934
Apr 21, 2026	27.69	27.69	27.68	27.68	27.68	-0.07%	121
Apr 20, 2026	27.70	27.70	27.70	27.70	27.70	-0.02%	110
Apr 17, 2026	27.70	27.70	27.70	27.70	27.70	0.16%	82
Apr 16, 2026	27.66	27.66	27.66	27.66	27.66	0.10%	158
Apr 15, 2026	27.60	27.63	27.59	27.63	27.63	0.20%	1,096
Apr 14, 2026	27.55	27.58	27.51	27.58	27.58	0.15%	11,204
Apr 13, 2026	27.49	27.53	27.49	27.53	27.53	0.17%	415
Apr 10, 2026	27.46	27.49	27.46	27.49	27.49	0.03%	100
Apr 9, 2026	27.47	27.48	27.47	27.48	27.48	0.16%	109
Apr 8, 2026	27.43	27.43	27.43	27.43	27.43	0.51%	1,320
Apr 7, 2026	27.27	27.29	27.24	27.29	27.29	0.12%	1,905
Apr 6, 2026	27.26	27.27	27.26	27.26	27.26	0.08%	1,597
Apr 2, 2026	27.23	27.24	27.22	27.24	27.24	-0.01%	3,719
Apr 1, 2026	27.21	27.26	27.21	27.24	27.24	0.25%	653
Mar 31, 2026	27.12	27.17	27.12	27.17	27.17	0.50%	1,191
Mar 30, 2026	27.04	27.04	27.04	27.04	27.04	-0.11%	1
Mar 27, 2026	27.07	27.07	27.07	27.07	27.07	-0.29%	-
Mar 26, 2026	27.17	27.17	27.15	27.15	27.15	-0.45%	776
Mar 25, 2026	27.27	27.27	27.26	27.27	27.27	0.13%	743
Mar 24, 2026	27.20	27.24	27.20	27.24	27.24	-0.14%	735
Mar 23, 2026	27.25	27.28	27.25	27.28	27.28	0.29%	102
Mar 20, 2026	27.20	27.20	27.20	27.20	27.20	-0.33%	62
Mar 19, 2026	27.29	27.29	27.29	27.29	27.29	-0.07%	191
Mar 18, 2026	27.31	27.31	27.31	27.31	27.31	-0.20%	-
Mar 17, 2026	27.34	27.36	27.34	27.36	27.36	0.09%	206
Mar 16, 2026	27.34	27.34	27.32	27.34	27.34	0.22%	414
Mar 13, 2026	27.30	27.31	27.28	27.28	27.28	-0.07%	498
Mar 12, 2026	27.30	27.30	27.30	27.30	27.30	-0.31%	-
Mar 11, 2026	27.39	27.39	27.39	27.39	27.38	0.02%	-
Mar 10, 2026	27.37	27.40	27.35	27.38	27.38	0.01%	1,529
Mar 9, 2026	27.29	27.38	27.29	27.38	27.38	0.23%	1,389
Mar 6, 2026	27.31	27.35	27.31	27.32	27.32	-0.20%	503
Mar 5, 2026	27.35	27.37	27.30	27.37	27.37	-0.07%	2,382
Mar 4, 2026	27.36	27.39	27.36	27.39	27.39	0.24%	2,173
Mar 3, 2026	27.26	27.32	27.26	27.32	27.32	-0.17%	2,833
Mar 2, 2026	27.37	27.37	27.37	27.37	27.37	0.17%	298
Feb 27, 2026	27.32	27.32	27.32	27.32	27.32	-0.09%	300
Feb 26, 2026	27.31	27.35	27.31	27.35	27.35	-0.13%	719
Feb 25, 2026	27.37	27.39	27.37	27.38	27.38	0.24%	2,700
Feb 24, 2026	27.32	27.32	27.32	27.32	27.32	0.12%	594
Feb 23, 2026	27.26	27.29	27.26	27.29	27.28	-0.06%	2,375
Feb 20, 2026	27.28	27.30	27.28	27.30	27.30	0.03%	555
Feb 19, 2026	27.29	27.29	27.29	27.29	27.29	-0.10%	92
Feb 18, 2026	27.32	27.32	27.32	27.32	27.32	0.16%	-
Feb 17, 2026	27.27	27.28	27.25	27.28	27.28	-0.02%	10,912
Feb 13, 2026	27.28	27.28	27.28	27.28	27.28	0.06%	-
Feb 12, 2026	27.27	27.27	27.27	27.27	27.26	-0.27%	-
Feb 11, 2026	27.33	27.34	27.30	27.34	27.34	0.01%	2,516
Feb 10, 2026	27.33	27.34	27.33	27.34	27.34	-0.07%	323
Feb 9, 2026	27.30	27.36	27.29	27.36	27.35	0.13%	4,649
Feb 6, 2026	27.25	27.32	27.25	27.32	27.32	0.37%	4,109
Feb 5, 2026	27.13	27.22	27.13	27.22	27.22	-0.18%	700
Feb 4, 2026	27.25	27.27	27.25	27.27	27.27	-0.24%	503
Feb 3, 2026	27.37	27.37	27.34	27.34	27.34	-0.18%	446
Feb 2, 2026	27.32	27.39	27.32	27.38	27.38	0.09%	26,132
Jan 30, 2026	27.34	27.36	27.34	27.36	27.36	-0.11%	1,672
Jan 29, 2026	27.34	27.39	27.34	27.39	27.39	-0.01%	2,443
Jan 28, 2026	27.39	27.41	27.39	27.39	27.39	-0.03%	3,890
Jan 27, 2026	27.36	27.40	27.36	27.40	27.40	0.11%	839
Jan 26, 2026	27.37	27.37	27.37	27.37	27.37	0.11%	21
Jan 23, 2026	27.34	27.34	27.31	27.34	27.34	0.02%	4,597
Jan 22, 2026	27.30	27.36	27.30	27.33	27.33	0.09%	424
Jan 21, 2026	27.27	27.31	27.27	27.31	27.31	0.22%	4,205
Jan 20, 2026	27.25	27.30	27.22	27.25	27.25	-0.29%	1,884
Jan 16, 2026	27.32	27.33	27.30	27.33	27.33	0.04%	6,605
Jan 15, 2026	27.31	27.32	27.31	27.32	27.32	0.14%	368
Jan 14, 2026	27.27	27.28	27.27	27.28	27.28	-0.20%	4,290
Jan 13, 2026	27.30	27.34	27.30	27.34	27.33	-0.02%	192
Jan 12, 2026	27.25	27.34	27.25	27.34	27.34	0.08%	2,824
Jan 9, 2026	27.32	27.32	27.32	27.32	27.32	0.10%	-
Jan 8, 2026	27.28	27.29	27.26	27.29	27.29	-0.09%	1,111
Jan 7, 2026	27.28	27.33	27.28	27.32	27.32	0.11%	2,351
Jan 6, 2026	27.27	27.29	27.27	27.29	27.29	0.06%	5,121
Jan 5, 2026	27.25	27.28	27.23	27.27	27.27	0.09%	2,089
Jan 2, 2026	27.24	27.25	27.24	27.25	27.24	0.09%	104
Dec 31, 2025	27.25	27.25	27.22	27.22	27.22	-0.12%	790
Dec 30, 2025	27.25	27.25	27.25	27.25	27.25	-0.08%	173
Dec 29, 2025	27.27	27.28	27.27	27.28	27.28	0.01%	197
Dec 26, 2025	27.27	27.31	27.25	27.27	27.27	0.03%	7,488
Dec 24, 2025	27.27	27.27	27.27	27.27	27.27	0.05%	-
Dec 23, 2025	27.21	27.25	27.21	27.25	27.25	0.06%	178
Dec 22, 2025	27.27	27.27	27.24	27.24	27.24	0.08%	755
Dec 19, 2025	27.17	27.22	27.17	27.22	27.21	0.22%	1,557
Dec 18, 2025	27.11	27.16	27.11	27.16	27.16	0.24%	142
Dec 17, 2025	27.13	27.15	27.09	27.09	27.09	-0.31%	905
Dec 16, 2025	27.16	27.17	27.16	27.17	27.17	0.08%	2,281
Dec 15, 2025	27.15	27.15	27.15	27.15	27.15	-0.01%	565
Dec 12, 2025	27.17	27.21	27.15	27.15	27.15	-0.21%	1,930
Dec 11, 2025	27.03	27.21	27.03	27.21	27.21	0.02%	4,967
Dec 10, 2025	27.20	27.20	27.20	27.20	27.20	0.05%	55
Dec 9, 2025	27.19	27.19	27.19	27.19	27.19	0.06%	-
Dec 8, 2025	27.19	27.19	27.17	27.17	27.17	-0.06%	4,987
Dec 5, 2025	27.16	27.19	27.16	27.19	27.19	0.07%	591
Dec 4, 2025	27.17	27.17	27.17	27.17	27.17	-0.02%	5
Dec 3, 2025	27.18	27.18	27.18	27.18	27.18	0.06%	-
Dec 2, 2025	27.18	27.18	27.15	27.16	27.16	0.11%	340