Calamos S&P 500 Structured Alt Protection ETF - October (CPSO)
NYSEARCA: CPSO · Real-Time Price · USD
26.69
0.00 (0.01%)
Sep 9, 2025, 4:00 PM - Market closed
CPSO Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| 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 |
| Aug 28, 2025 | 26.62 | 26.65 | 26.62 | 26.65 | 26.65 | 0.06% | 425 |
| Aug 27, 2025 | 26.63 | 26.63 | 26.63 | 26.63 | 26.63 | 0.06% | 270 |
| Aug 26, 2025 | 26.62 | 26.62 | 26.57 | 26.62 | 26.62 | 0.03% | 270 |
| Aug 25, 2025 | 26.61 | 26.61 | 26.61 | 26.61 | 26.61 | 0.01% | 174 |
| Aug 22, 2025 | 26.53 | 26.61 | 26.53 | 26.61 | 26.61 | 0.28% | 174 |
| Aug 21, 2025 | 26.50 | 26.53 | 26.50 | 26.53 | 26.53 | -0.07% | 484 |
| Aug 20, 2025 | 26.51 | 26.57 | 26.51 | 26.55 | 26.55 | - | 1,077 |
| Aug 19, 2025 | 26.54 | 26.55 | 26.53 | 26.55 | 26.55 | -0.08% | 402 |
| Aug 18, 2025 | 26.53 | 26.62 | 26.53 | 26.57 | 26.57 | 0.04% | 37,647 |
| Aug 15, 2025 | 26.53 | 26.56 | 26.53 | 26.56 | 26.56 | 0.11% | 127 |
| Aug 14, 2025 | 26.52 | 26.53 | 26.52 | 26.53 | 26.53 | -0.11% | 321 |
| Aug 13, 2025 | 26.56 | 26.56 | 26.52 | 26.56 | 26.56 | 0.04% | 4,308 |
| Aug 12, 2025 | 26.50 | 26.55 | 26.50 | 26.55 | 26.55 | 0.29% | 2,065 |
| Aug 11, 2025 | 26.48 | 26.48 | 26.47 | 26.47 | 26.47 | -0.04% | 848 |
| Aug 8, 2025 | 26.48 | 26.48 | 26.48 | 26.48 | 26.48 | 0.09% | 1 |
| Aug 7, 2025 | 26.46 | 26.46 | 26.46 | 26.46 | 26.46 | -0.01% | 896 |
| Aug 6, 2025 | 26.46 | 26.46 | 26.46 | 26.46 | 26.46 | 0.16% | 896 |
| Aug 5, 2025 | 26.42 | 26.42 | 26.42 | 26.42 | 26.42 | -0.06% | 1,720 |
| Aug 4, 2025 | 26.44 | 26.44 | 26.44 | 26.44 | 26.44 | 0.30% | 1,973 |
| Aug 1, 2025 | 26.36 | 26.36 | 26.36 | 26.36 | 26.36 | -0.25% | 1,993 |
| Jul 31, 2025 | 26.43 | 26.44 | 26.40 | 26.42 | 26.42 | -0.07% | 5,323 |
| Jul 30, 2025 | 26.43 | 26.48 | 26.40 | 26.44 | 26.44 | -0.02% | 4,322 |
| Jul 29, 2025 | 26.49 | 26.49 | 26.44 | 26.44 | 26.44 | -0.03% | 130 |
| Jul 28, 2025 | 26.45 | 26.45 | 26.45 | 26.45 | 26.45 | 0.02% | - |
| Jul 25, 2025 | 26.45 | 26.45 | 26.45 | 26.45 | 26.45 | 0.10% | 1 |
| Jul 24, 2025 | 26.42 | 26.42 | 26.42 | 26.42 | 26.42 | 0.05% | 1 |
| Jul 23, 2025 | 26.38 | 26.43 | 26.38 | 26.41 | 26.41 | 0.11% | 471 |
| Jul 22, 2025 | 26.39 | 26.40 | 26.33 | 26.38 | 26.38 | 0.06% | 3,908 |
| Jul 21, 2025 | 26.38 | 26.41 | 26.36 | 26.36 | 26.36 | - | 6,328 |
| Jul 18, 2025 | 26.35 | 26.38 | 26.35 | 26.36 | 26.36 | 0.08% | 9,531 |
| Jul 17, 2025 | 26.34 | 26.37 | 26.34 | 26.34 | 26.34 | 0.11% | 5,597 |
| Jul 16, 2025 | 26.31 | 26.31 | 26.31 | 26.31 | 26.31 | 0.05% | 176 |
| Jul 15, 2025 | 26.30 | 26.30 | 26.30 | 26.30 | 26.30 | -0.05% | 235 |
| Jul 14, 2025 | 26.27 | 26.31 | 26.27 | 26.31 | 26.31 | 0.02% | 1,022 |
| Jul 11, 2025 | 26.31 | 26.31 | 26.31 | 26.31 | 26.31 | 0.02% | 139 |
| Jul 10, 2025 | 26.30 | 26.30 | 26.30 | 26.30 | 26.30 | 0.02% | 29 |
| Jul 9, 2025 | 26.30 | 26.30 | 26.30 | 26.30 | 26.30 | 0.23% | 314 |
| Jul 8, 2025 | 26.27 | 26.27 | 26.24 | 26.24 | 26.24 | - | 314 |
| Jul 7, 2025 | 26.26 | 26.26 | 26.24 | 26.24 | 26.24 | -0.21% | 516 |
| Jul 3, 2025 | 26.29 | 26.29 | 26.29 | 26.29 | 26.29 | 0.19% | 465 |
| Jul 2, 2025 | 26.24 | 26.24 | 26.24 | 26.24 | 26.24 | 0.08% | 1,121 |
| Jul 1, 2025 | 26.22 | 26.22 | 26.22 | 26.22 | 26.22 | -0.04% | - |
| Jun 30, 2025 | 26.23 | 26.23 | 26.23 | 26.23 | 26.23 | 0.10% | - |