CPSU Historical Prices

NYSEARCA: CPSUCalamosDefined OutcomeETFUSD

28.07+0.0505 (+0.18%)

At close: Oct 6, 3:59 PM ET · Delayed 15 min

CPSU price history

The price history for Calamos S&P 500 Structured Alt Protection (CPSU) on this page begins on June 2, 2025, when the stock closed at $26.01; it most recently closed at $28.10 on October 5, 2026. The highest price in this record is $29.01, reached on June 1, 2026; the latest close is 3.1% below that peak. In the last 12 months alone, CPSU has gained 5.0%.

Prices are split-adjusted closing prices; daily open, high, low, close and volume for the past year are listed below.

Summary generated from market data by MetaCap's automated system. Methodology

CPSU returns

1 week

+0.73%

1 month

+0.77%

3 months

+1.59%

6 months

+3.11%

Year to date

+3.77%

1 year

+5.01%

CPSU price return, excluding dividends.

CPSU annual returns

Calendar-year price returns
Year	First close	Year-end close	High	Low	Return
2026	27.15	28.10	29.01	27.00	+3.75%
2025*	26.01	27.09	28.65	25.94	+4.13%

CPSU daily prices (past year)

Daily open, high, low, close and volume
Date	Open	High	Low	Close	Change	Volume
Oct 6, 2026	28.09	28.10	28.09	28.10	+0.34%	200
Oct 5, 2026	27.99	28.04	27.99	28.01	+0.11%	4.40K
Oct 2, 2026	27.98	27.98	27.98	27.98	+0.34%	100
Oct 1, 2026	27.88	27.88	27.88	27.88	-0.06%	300
Sep 30, 2026	27.91	27.91	27.89	27.90	+0.00%	400
Sep 29, 2026	27.90	27.90	27.90	27.90	+0.01%	100
Sep 28, 2026	27.89	27.89	27.89	27.89	-0.20%	100
Sep 25, 2026	27.92	27.95	27.92	27.95	+0.28%	700
Sep 24, 2026	27.92	27.92	27.87	27.87	-0.04%	500
Sep 23, 2026	27.89	27.89	27.88	27.88	-0.14%	300
Sep 22, 2026	27.92	27.92	27.91	27.92	+0.04%	900
Sep 21, 2026	27.89	27.91	27.89	27.91	+0.20%	1.30K
Sep 18, 2026	27.80	27.85	27.80	27.85	+0.11%	1.90K
Sep 17, 2026	27.83	27.85	27.82	27.82	+0.14%	600
Sep 16, 2026	27.77	27.79	27.77	27.79	-0.12%	200
Sep 15, 2026	27.83	27.83	27.82	27.82	-0.06%	200
Sep 14, 2026	27.79	27.86	27.78	27.84	-0.15%	9.00K
Sep 11, 2026	27.88	27.88	27.88	27.88	+0.24%	100
Sep 10, 2026	27.79	27.87	27.79	27.81	-0.18%	8.60K
Sep 9, 2026	27.86	27.86	27.86	27.86	-0.09%	100
Sep 8, 2026	27.93	27.93	27.89	27.89	-0.10%	1.50K
Sep 4, 2026	27.92	27.96	27.88	27.91	-0.02%	2.60K
Sep 3, 2026	27.92	27.92	27.92	27.92	+0.19%	100
Sep 2, 2026	27.84	27.86	27.84	27.86	+0.12%	2.80K
Sep 1, 2026	27.83	27.89	27.80	27.83	-0.19%	6.40K
Aug 31, 2026	27.84	27.89	27.84	27.89	-0.05%	1.50K
Aug 28, 2026	27.94	27.94	27.90	27.90	-0.07%	600
Aug 27, 2026	27.90	27.96	27.89	27.92	+0.14%	1.90K
Aug 26, 2026	27.90	27.90	27.88	27.88	-0.07%	1.20K
Aug 25, 2026	27.86	27.90	27.86	27.90	+0.13%	200
Aug 24, 2026	27.86	27.87	27.86	27.87	-0.11%	500
Aug 21, 2026	27.90	27.90	27.90	27.90	+0.09%	1.00K
Aug 20, 2026	27.90	27.91	27.86	27.87	-0.15%	1.20K
Aug 19, 2026	27.89	27.91	27.89	27.91	+0.05%	400
Aug 18, 2026	27.90	27.90	27.90	27.90	-0.09%	100
Aug 17, 2026	27.91	27.96	27.91	27.93	-0.09%	3.30K
Aug 14, 2026	27.93	27.97	27.93	27.95	+0.04%	1.30K
Aug 13, 2026	27.87	27.94	27.87	27.94	+0.25%	5.40K
Aug 12, 2026	27.85	27.87	27.85	27.87	-0.05%	300
Aug 11, 2026	27.92	27.92	27.87	27.89	-0.04%	2.40K
Aug 10, 2026	27.88	27.93	27.87	27.90	-0.07%	2.30K
Aug 7, 2026	27.90	27.92	27.90	27.92	+0.14%	400
Aug 6, 2026	27.90	27.90	27.87	27.88	-0.02%	1.00K
Aug 5, 2026	27.88	27.88	27.88	27.88	+0.00%	100
Aug 4, 2026	27.81	27.89	27.81	27.88	+0.34%	1.30K
Aug 3, 2026	27.79	27.79	27.79	27.79	+0.27%	100
Jul 31, 2026	27.65	27.73	27.65	27.71	+0.24%	6.10K
Jul 30, 2026	27.68	27.70	27.60	27.65	+0.43%	5.90K
Jul 29, 2026	27.64	27.67	27.52	27.53	-0.46%	7.60K
Jul 28, 2026	27.66	27.66	27.66	27.66	+0.13%	100
Jul 27, 2026	27.59	27.62	27.59	27.62	0.00%	1.20K
Jul 24, 2026	27.62	27.62	27.62	27.62	-0.02%	100
Jul 23, 2026	27.63	27.64	27.63	27.63	-0.23%	700
Jul 22, 2026	27.69	27.69	27.69	27.69	-0.04%	100
Jul 21, 2026	27.72	27.73	27.70	27.70	+0.09%	400
Jul 20, 2026	27.68	27.68	27.64	27.68	+0.04%	900
Jul 17, 2026	27.70	27.70	27.67	27.67	-0.18%	500
Jul 16, 2026	27.75	27.75	27.72	27.72	-0.11%	300
Jul 15, 2026	27.75	27.75	27.75	27.75	+0.07%	400
Jul 14, 2026	27.76	27.76	27.73	27.73	+0.16%	300
Jul 13, 2026	27.65	27.68	27.65	27.68	-0.05%	2.70K
Jul 10, 2026	27.73	27.73	27.70	27.70	+0.02%	1.00K
Jul 9, 2026	27.70	27.70	27.69	27.69	+0.18%	800
Jul 8, 2026	27.62	27.65	27.62	27.64	-0.07%	300
Jul 7, 2026	27.68	27.68	27.66	27.66	-0.05%	200
Jul 6, 2026	27.61	27.70	27.61	27.67	+0.14%	4.10K
Jul 2, 2026	27.69	27.69	27.64	27.64	0.00%	2.60K
Jul 1, 2026	27.65	27.66	27.57	27.64	0.00%	10.20K
Jun 30, 2026	27.57	27.65	27.57	27.64	+0.22%	8.20K
Jun 29, 2026	27.57	27.57	27.54	27.57	+0.07%	1.20K
Jun 26, 2026	27.57	27.59	27.56	27.56	+0.04%	8.10K
Jun 25, 2026	27.59	27.59	27.55	27.55	-0.02%	1.30K
Jun 24, 2026	27.51	27.61	27.51	27.55	-0.04%	14.90K
Jun 23, 2026	27.61	27.61	27.52	27.56	-0.14%	17.30K
Jun 22, 2026	27.58	27.65	27.55	27.60	-0.07%	10.20K
Jun 18, 2026	27.65	27.66	27.61	27.62	+0.04%	4.60K
Jun 17, 2026	27.70	27.70	27.58	27.61	-0.50%	14.70K
Jun 16, 2026	27.68	27.77	27.68	27.75	+0.27%	87.30K
Jun 15, 2026	27.75	27.75	27.68	27.68	+0.32%	8.40K
Jun 12, 2026	27.55	27.62	27.55	27.59	-0.05%	1.00K
Jun 11, 2026	27.52	27.62	27.50	27.60	+0.30%	21.70K
Jun 10, 2026	27.53	27.55	27.51	27.52	-0.11%	23.70K
Jun 9, 2026	27.64	27.64	27.47	27.55	-0.14%	14.70K
Jun 8, 2026	27.64	27.64	27.59	27.59	+0.00%	6.40K
Jun 5, 2026	27.66	27.67	27.54	27.59	-0.38%	7.40K
Jun 4, 2026	27.68	27.71	27.68	27.70	-0.02%	11.60K
Jun 3, 2026	27.70	27.71	27.68	27.70	-0.05%	9.60K
Jun 2, 2026	27.73	27.73	27.70	27.72	-0.10%	175.70K
Jun 1, 2026	29.01	29.01	27.68	27.74	+0.23%	106.20K
May 29, 2026	27.72	27.72	27.64	27.68	0.00%	12.80K
May 28, 2026	27.70	27.70	27.68	27.68	+0.04%	2.90K
May 27, 2026	27.67	27.67	27.67	27.67	0.00%	100
May 26, 2026	27.69	27.69	27.67	27.67	+0.02%	500
May 22, 2026	27.67	27.67	27.67	27.67	+0.04%	100
May 21, 2026	27.66	27.66	27.66	27.66	+0.02%	100
May 20, 2026	27.64	27.65	27.64	27.65	+0.07%	200
May 19, 2026	27.66	27.66	27.63	27.63	-0.02%	200
May 18, 2026	27.64	27.64	27.64	27.64	0.00%	100
May 15, 2026	27.64	27.64	27.64	27.64	+0.05%	700
May 14, 2026	27.65	27.65	27.59	27.62	+0.02%	1.10K
May 13, 2026	27.66	27.66	27.62	27.62	-0.02%	100
May 12, 2026	27.67	27.67	27.62	27.62	+0.02%	400
May 11, 2026	27.62	27.62	27.62	27.62	0.00%	0
May 8, 2026	27.62	27.62	27.62	27.62	+0.07%	100
May 7, 2026	27.66	27.66	27.60	27.60	-0.02%	1.50K
May 6, 2026	27.60	27.60	27.60	27.60	+0.02%	500
May 5, 2026	27.48	27.60	27.48	27.60	+0.07%	1.30K
May 4, 2026	27.58	27.58	27.58	27.58	-0.02%	900
May 1, 2026	27.57	27.58	27.57	27.58	+0.07%	3.30K
Apr 30, 2026	27.56	27.56	27.56	27.56	0.00%	100
Apr 29, 2026	27.56	27.56	27.56	27.56	0.00%	0
Apr 28, 2026	27.56	27.56	27.56	27.56	0.00%	100
Apr 27, 2026	27.56	27.56	27.56	27.56	+0.07%	0
Apr 24, 2026	27.54	27.54	27.54	27.54	+0.07%	100
Apr 23, 2026	27.49	27.52	27.49	27.52	-0.04%	100
Apr 22, 2026	27.53	27.53	27.53	27.53	+0.05%	100
Apr 21, 2026	27.48	27.52	27.48	27.52	-0.02%	200
Apr 20, 2026	27.52	27.52	27.52	27.52	-0.02%	100
Apr 17, 2026	27.53	27.53	27.53	27.53	+0.11%	100
Apr 16, 2026	27.50	27.50	27.50	27.50	-0.02%	100
Apr 15, 2026	27.50	27.50	27.50	27.50	+0.11%	100
Apr 14, 2026	27.47	27.47	27.47	27.47	+0.13%	100
Apr 13, 2026	27.44	27.44	27.44	27.44	+0.07%	100
Apr 10, 2026	27.38	27.42	27.37	27.42	+0.05%	3.70K
Apr 9, 2026	27.42	27.42	27.40	27.40	+0.11%	100
Apr 8, 2026	27.45	27.45	27.37	27.37	+0.43%	100
Apr 7, 2026	27.25	27.25	27.25	27.25	-0.01%	100
Apr 6, 2026	27.28	27.28	27.26	27.26	+0.10%	200
Apr 2, 2026	27.23	27.23	27.23	27.23	+0.01%	100
Apr 1, 2026	27.24	27.24	27.23	27.23	+0.20%	100
Mar 31, 2026	27.17	27.17	27.17	27.17	+0.66%	100
Mar 30, 2026	27.02	27.04	27.00	27.00	-0.02%	600
Mar 27, 2026	27.00	27.00	27.00	27.00	-0.44%	100
Mar 26, 2026	27.12	27.12	27.12	27.12	-0.29%	100
Mar 25, 2026	27.20	27.20	27.20	27.20	+0.14%	100
Mar 24, 2026	27.14	27.16	27.14	27.16	-0.09%	200
Mar 23, 2026	27.19	27.19	27.19	27.19	+0.30%	100
Mar 20, 2026	27.10	27.10	27.10	27.10	-0.28%	100
Mar 19, 2026	27.18	27.18	27.18	27.18	-0.04%	100
Mar 18, 2026	27.19	27.19	27.19	27.19	-0.22%	100
Mar 17, 2026	27.27	27.27	27.20	27.25	+0.11%	300
Mar 16, 2026	27.22	27.22	27.22	27.22	+0.22%	100
Mar 13, 2026	27.16	27.16	27.16	27.16	-0.09%	100
Mar 12, 2026	27.22	27.22	27.19	27.19	-0.20%	200
Mar 11, 2026	27.23	27.25	27.23	27.24	+0.01%	300
Mar 10, 2026	27.34	27.34	27.24	27.24	-0.01%	2.30K
Mar 9, 2026	27.14	27.25	27.14	27.24	+0.15%	1.10K
Mar 6, 2026	27.20	27.20	27.20	27.20	-0.17%	500
Mar 5, 2026	27.24	27.26	27.24	27.25	-0.07%	800
Mar 4, 2026	27.29	27.30	27.27	27.27	+0.08%	7.50K
Mar 3, 2026	27.24	27.24	27.24	27.24	-0.06%	200
Mar 2, 2026	27.26	27.26	27.26	27.26	0.00%	1.80K
Feb 27, 2026	27.26	27.26	27.26	27.26	-0.02%	100
Feb 26, 2026	27.22	27.31	27.22	27.27	-0.03%	3.50K
Feb 25, 2026	27.28	27.28	27.28	27.28	+0.11%	200
Feb 24, 2026	27.25	27.25	27.25	27.25	+0.16%	100
Feb 23, 2026	27.20	27.20	27.20	27.20	-0.16%	200
Feb 20, 2026	27.25	27.25	27.25	27.25	+0.13%	200
Feb 19, 2026	27.17	27.21	27.17	27.21	-0.04%	1.80K
Feb 18, 2026	27.22	27.22	27.22	27.22	+0.07%	200
Feb 17, 2026	27.21	27.23	27.20	27.20	+0.05%	1.40K
Feb 13, 2026	27.19	27.19	27.19	27.19	+0.03%	400
Feb 12, 2026	27.18	27.18	27.18	27.18	-0.16%	500
Feb 11, 2026	27.22	27.22	27.22	27.22	-0.01%	600
Feb 10, 2026	27.23	27.23	27.23	27.23	+0.02%	800
Feb 9, 2026	27.22	27.22	27.22	27.22	+0.04%	1.30K
Feb 6, 2026	27.18	27.24	27.13	27.21	+0.29%	12.90K
Feb 5, 2026	27.17	27.19	27.13	27.13	-0.16%	2.90K
Feb 4, 2026	27.22	27.22	27.17	27.17	-0.05%	2.30K
Feb 3, 2026	27.19	27.19	27.19	27.19	-0.03%	0
Feb 2, 2026	27.20	27.20	27.20	27.20	+0.06%	100
Jan 30, 2026	27.14	27.18	27.14	27.18	+0.02%	200
Jan 29, 2026	27.21	27.21	27.18	27.18	-0.04%	200
Jan 28, 2026	27.23	27.23	27.19	27.19	0.00%	800
Jan 27, 2026	27.19	27.19	27.19	27.19	+0.04%	100
Jan 26, 2026	27.18	27.18	27.18	27.18	+0.04%	200
Jan 23, 2026	27.17	27.17	27.17	27.17	+0.02%	200
Jan 22, 2026	27.12	27.16	27.12	27.16	+0.13%	200
Jan 21, 2026	27.13	27.13	27.13	27.13	+0.07%	100
Jan 20, 2026	27.11	27.11	27.11	27.11	-0.17%	100
Jan 16, 2026	27.15	27.15	27.15	27.15	0.00%	100
Jan 15, 2026	27.15	27.15	27.15	27.15	+0.07%	0
Jan 14, 2026	27.13	27.13	27.13	27.13	-0.04%	100
Jan 13, 2026	27.14	27.14	27.14	27.14	0.00%	100
Jan 12, 2026	27.14	27.14	27.14	27.14	-0.02%	100
Jan 9, 2026	27.10	27.15	27.10	27.15	+0.07%	1.80K
Jan 8, 2026	27.19	27.19	27.07	27.13	+0.02%	2.70K
Jan 7, 2026	27.12	27.12	27.12	27.12	0.00%	100
Jan 6, 2026	27.12	27.12	27.12	27.12	+0.06%	100
Jan 5, 2026	27.11	27.11	27.11	27.11	+0.07%	100
Jan 2, 2026	27.09	27.09	27.09	27.09	+0.02%	100
Dec 31, 2025	27.08	27.08	27.08	27.08	-0.02%	0
Dec 30, 2025	27.09	27.09	27.09	27.09	+0.02%	100
Dec 29, 2025	27.08	27.08	27.08	27.08	-0.02%	0
Dec 26, 2025	27.09	27.09	27.09	27.09	+0.06%	0
Dec 24, 2025	27.07	27.07	27.07	27.07	+0.04%	100
Dec 23, 2025	27.06	27.06	27.06	27.06	+0.05%	100
Dec 22, 2025	27.05	27.05	27.05	27.05	+0.10%	100
Dec 19, 2025	27.02	27.02	27.02	27.02	+0.13%	0
Dec 18, 2025	27.01	27.01	26.98	26.98	-0.02%	200
Dec 17, 2025	26.98	26.99	26.98	26.99	+0.06%	1.00K
Dec 16, 2025	26.98	26.98	26.98	26.98	-0.17%	100
Dec 15, 2025	26.98	27.02	26.98	27.02	+0.15%	2.40K
Dec 12, 2025	26.98	26.98	26.98	26.98	-0.02%	100
Dec 11, 2025	26.99	26.99	26.99	26.99	+0.04%	100
Dec 10, 2025	27.03	27.03	26.98	26.98	+0.11%	300
Dec 9, 2025	26.98	26.98	26.95	26.95	-0.01%	1.50K
Dec 8, 2025	27.08	27.08	26.95	26.95	-0.00%	700
Dec 5, 2025	26.98	26.99	26.95	26.95	+0.04%	1.70K
Dec 4, 2025	26.98	26.98	26.94	26.94	+0.02%	1.40K
Dec 3, 2025	26.94	26.94	26.94	26.94	+0.06%	0
Dec 2, 2025	26.93	26.93	26.92	26.92	+0.06%	300
Dec 1, 2025	26.93	26.94	26.91	26.91	-0.04%	1.40K
Nov 28, 2025	26.92	26.92	26.92	26.92	+0.07%	0
Nov 26, 2025	26.90	26.90	26.90	26.90	+0.11%	100
Nov 25, 2025	26.87	26.87	26.87	26.87	+0.11%	100
Nov 24, 2025	26.84	26.84	26.84	26.84	+0.24%	100
Nov 21, 2025	26.83	26.83	26.77	26.77	+0.14%	1.40K
Nov 20, 2025	26.76	26.80	26.73	26.73	-0.14%	3.50K
Nov 19, 2025	26.77	26.77	26.77	26.77	+0.02%	100
Nov 18, 2025	26.77	26.77	26.77	26.77	-0.06%	100
Nov 17, 2025	26.80	26.80	26.78	26.78	-0.13%	200
Nov 14, 2025	26.82	26.82	26.82	26.82	+0.07%	0
Nov 13, 2025	26.80	26.80	26.80	26.80	-0.21%	100
Nov 12, 2025	26.85	26.85	26.85	26.85	+0.01%	100
Nov 11, 2025	26.84	26.85	26.84	26.85	+0.02%	100
Nov 10, 2025	26.85	26.85	26.85	26.85	+0.18%	100
Nov 7, 2025	26.80	26.80	26.80	26.80	-0.01%	0
Nov 6, 2025	26.80	26.80	26.80	26.80	-0.07%	100
Nov 5, 2025	26.82	26.82	26.82	26.82	+0.05%	0
Nov 4, 2025	26.81	26.81	26.81	26.81	-0.09%	100
Nov 3, 2025	26.83	26.83	26.83	26.83	0.00%	0
Oct 31, 2025	26.83	26.83	26.83	26.83	+0.01%	100
Oct 30, 2025	26.83	26.83	26.83	26.83	-0.07%	100
Oct 29, 2025	26.85	26.85	26.85	26.85	-0.06%	100
Oct 28, 2025	26.83	26.86	26.83	26.86	0.00%	300
Oct 27, 2025	26.82	26.86	26.82	26.86	+0.07%	900
Oct 24, 2025	26.84	26.84	26.84	26.84	+0.11%	200
Oct 23, 2025	26.81	26.81	26.81	26.81	+0.06%	300
Oct 22, 2025	26.80	26.80	26.80	26.80	-0.06%	300
Oct 21, 2025	26.81	26.81	26.81	26.81	+0.04%	100
Oct 20, 2025	26.80	26.80	26.80	26.80	+0.14%	0
Oct 17, 2025	26.76	26.76	26.76	26.76	+0.07%	0
Oct 16, 2025	26.74	26.74	26.74	26.74	-0.06%	100
Oct 15, 2025	26.78	26.79	26.76	26.76	+0.04%	3.80K
Oct 14, 2025	26.75	26.75	26.75	26.75	+0.02%	100
Oct 13, 2025	26.75	26.75	26.75	26.75	+0.21%	100
Oct 10, 2025	26.79	26.79	26.69	26.69	-0.27%	1.20K
Oct 9, 2025	26.76	26.76	26.76	26.76	—	100