Calamos S&P 500 Structured Alt Protection ETF - October (CPSO)
NYSEARCA: CPSO · Real-Time Price · USD
26.85
0.00 (-0.01%)
Nov 7, 2025, 4:00 PM EST - Market closed
CPSO Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Nov 7, 2025 | 26.84 | 26.85 | 26.82 | 26.85 | 26.85 | 0.01% | 4,795 |
| Nov 6, 2025 | 26.84 | 26.88 | 26.84 | 26.85 | 26.85 | -0.26% | 4,834 |
| Nov 5, 2025 | 26.92 | 26.93 | 26.90 | 26.92 | 26.92 | 0.17% | 4,373 |
| Nov 4, 2025 | 26.85 | 26.88 | 26.85 | 26.87 | 26.87 | -0.16% | 729 |
| Nov 3, 2025 | 26.90 | 26.96 | 26.88 | 26.91 | 26.91 | -0.01% | 5,922 |
| Oct 31, 2025 | 26.88 | 26.95 | 26.88 | 26.92 | 26.92 | 0.07% | 2,251 |
| Oct 30, 2025 | 26.88 | 26.90 | 26.88 | 26.90 | 26.90 | -0.11% | 168 |
| Oct 29, 2025 | 26.96 | 26.98 | 26.90 | 26.93 | 26.93 | -0.13% | 1,315 |
| Oct 28, 2025 | 26.97 | 26.99 | 26.96 | 26.96 | 26.96 | -0.04% | 6,384 |
| Oct 27, 2025 | 26.96 | 26.99 | 26.96 | 26.97 | 26.97 | 0.22% | 7,131 |
| Oct 24, 2025 | 26.93 | 26.95 | 26.88 | 26.91 | 26.91 | - | 13,835 |
| Oct 23, 2025 | 26.90 | 26.93 | 26.82 | 26.91 | 26.91 | 0.20% | 25,122 |
| Oct 22, 2025 | 26.91 | 26.91 | 26.82 | 26.86 | 26.86 | -0.10% | 31,515 |
| Oct 21, 2025 | 26.91 | 26.91 | 26.84 | 26.88 | 26.88 | 0.03% | 12,351 |
| Oct 20, 2025 | 26.95 | 26.95 | 26.87 | 26.87 | 26.87 | 0.18% | 3,519 |
| Oct 17, 2025 | 26.82 | 26.87 | 26.82 | 26.83 | 26.83 | 0.07% | 21,839 |
| Oct 16, 2025 | 26.85 | 26.85 | 26.75 | 26.81 | 26.81 | -0.06% | 11,461 |
| Oct 15, 2025 | 26.90 | 26.90 | 26.79 | 26.82 | 26.82 | 0.03% | 14,558 |
| Oct 14, 2025 | 26.76 | 26.85 | 26.76 | 26.82 | 26.82 | -0.04% | 70,734 |
| Oct 13, 2025 | 26.79 | 26.83 | 26.79 | 26.83 | 26.83 | 0.13% | 3,330 |
| Oct 10, 2025 | 26.88 | 26.88 | 26.78 | 26.79 | 26.79 | -0.19% | 9,137 |
| Oct 9, 2025 | 27.00 | 27.00 | 26.84 | 26.84 | 26.84 | -0.06% | 2,099 |
| Oct 8, 2025 | 26.84 | 26.87 | 26.84 | 26.86 | 26.86 | 0.09% | 12,389 |
| Oct 7, 2025 | 26.85 | 26.85 | 26.83 | 26.83 | 26.83 | -0.14% | 4,513 |
| Oct 6, 2025 | 26.86 | 26.87 | 26.85 | 26.87 | 26.87 | 0.13% | 12,586 |
| Oct 3, 2025 | 26.86 | 26.88 | 26.84 | 26.84 | 26.84 | -0.01% | 19,956 |
| Oct 2, 2025 | 26.81 | 26.85 | 26.80 | 26.84 | 26.84 | -0.04% | 25,379 |
| Oct 1, 2025 | 26.81 | 26.98 | 26.80 | 26.85 | 26.85 | 0.19% | 117,126 |
| Sep 30, 2025 | 26.77 | 26.81 | 26.75 | 26.80 | 26.80 | 0.12% | 14,353 |
| Sep 29, 2025 | 26.76 | 26.78 | 26.76 | 26.77 | 26.77 | 0.04% | 6,071 |
| Sep 26, 2025 | 26.76 | 26.76 | 26.76 | 26.76 | 26.76 | - | 140 |
| Sep 25, 2025 | 26.75 | 26.76 | 26.75 | 26.76 | 26.76 | -0.02% | 1,433 |
| Sep 24, 2025 | 26.74 | 26.76 | 26.74 | 26.76 | 26.76 | 0.04% | 131 |
| Sep 23, 2025 | 26.75 | 26.75 | 26.75 | 26.75 | 26.75 | 0.02% | - |
| Sep 22, 2025 | 26.74 | 26.75 | 26.73 | 26.75 | 26.75 | - | 1,300 |
| Sep 19, 2025 | 26.75 | 26.75 | 26.75 | 26.75 | 26.75 | 0.02% | - |
| Sep 18, 2025 | 26.73 | 26.74 | 26.72 | 26.74 | 26.74 | 0.04% | 338 |
| Sep 17, 2025 | 26.73 | 26.73 | 26.73 | 26.73 | 26.73 | - | - |
| Sep 16, 2025 | 26.73 | 26.73 | 26.73 | 26.73 | 26.73 | - | - |
| Sep 15, 2025 | 26.73 | 26.73 | 26.73 | 26.73 | 26.73 | - | - |
| Sep 12, 2025 | 26.73 | 26.73 | 26.73 | 26.73 | 26.73 | 0.05% | - |
| Sep 11, 2025 | 26.69 | 26.72 | 26.69 | 26.72 | 26.72 | 0.04% | 1,504 |
| Sep 10, 2025 | 26.68 | 26.71 | 26.68 | 26.71 | 26.71 | 0.04% | 196 |
| Sep 9, 2025 | 26.69 | 26.69 | 26.69 | 26.69 | 26.69 | 0.03% | - |
| Sep 8, 2025 | 26.66 | 26.69 | 26.66 | 26.69 | 26.69 | 0.02% | 210 |
| Sep 5, 2025 | 26.67 | 26.68 | 26.64 | 26.68 | 26.68 | 0.05% | 824 |
| Sep 4, 2025 | 26.67 | 26.67 | 26.67 | 26.67 | 26.67 | 0.09% | 167 |
| Sep 3, 2025 | 26.60 | 26.64 | 26.60 | 26.64 | 26.64 | 0.12% | 167 |
| Sep 2, 2025 | 26.61 | 26.61 | 26.61 | 26.61 | 26.61 | -0.11% | - |
| Aug 29, 2025 | 26.64 | 26.64 | 26.64 | 26.64 | 26.64 | -0.03% | 425 |