Calamos S&P 500 Structured Alt Protection ETF - October (CPSO)
NYSEARCA: CPSO · Real-Time Price · USD
27.10
0.00 (-0.02%)
Dec 29, 2025, 12:23 PM EST - Market open
CPSO Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Dec 26, 2025 | 27.11 | 27.11 | 27.11 | 27.11 | 27.11 | 0.06% | 37 |
| Dec 24, 2025 | 27.09 | 27.09 | 27.09 | 27.09 | 27.09 | 0.07% | 10 |
| Dec 23, 2025 | 27.05 | 27.07 | 27.05 | 27.07 | 27.07 | 0.07% | 400 |
| Dec 22, 2025 | 27.05 | 27.05 | 27.05 | 27.05 | 27.05 | 0.11% | 6 |
| Dec 19, 2025 | 27.02 | 27.02 | 27.02 | 27.02 | 27.02 | 0.15% | 91 |
| Dec 18, 2025 | 26.98 | 26.98 | 26.98 | 26.98 | 26.98 | - | 44 |
| Dec 17, 2025 | 26.98 | 26.98 | 26.98 | 26.98 | 26.98 | -0.04% | 4,954 |
| Dec 16, 2025 | 27.00 | 27.00 | 26.99 | 26.99 | 26.99 | -0.07% | 3,417 |
| Dec 15, 2025 | 27.01 | 27.01 | 26.98 | 27.01 | 27.01 | 0.09% | 2,784 |
| Dec 12, 2025 | 27.00 | 27.00 | 26.99 | 26.99 | 26.99 | -0.20% | 104 |
| Dec 11, 2025 | 27.04 | 27.04 | 27.04 | 27.04 | 27.04 | 0.06% | 2 |
| Dec 10, 2025 | 27.02 | 27.03 | 27.02 | 27.03 | 27.02 | 0.04% | 1,622 |
| Dec 9, 2025 | 27.03 | 27.03 | 27.00 | 27.02 | 27.02 | 0.15% | 2,459 |
| Dec 8, 2025 | 27.01 | 27.02 | 26.98 | 26.98 | 26.98 | -0.09% | 1,149 |
| Dec 5, 2025 | 27.01 | 27.05 | 26.98 | 27.00 | 27.00 | 0.08% | 2,102 |
| Dec 4, 2025 | 26.98 | 27.00 | 26.95 | 26.98 | 26.98 | -0.04% | 2,732 |
| Dec 3, 2025 | 26.99 | 26.99 | 26.99 | 26.99 | 26.99 | 0.15% | - |
| Dec 2, 2025 | 26.98 | 26.98 | 26.95 | 26.95 | 26.95 | -0.02% | 685 |
| Dec 1, 2025 | 26.99 | 26.99 | 26.94 | 26.96 | 26.96 | 0.02% | 3,481 |
| Nov 28, 2025 | 26.96 | 26.97 | 26.95 | 26.95 | 26.95 | 0.09% | 222 |
| Nov 26, 2025 | 26.93 | 26.93 | 26.93 | 26.93 | 26.93 | 0.09% | 114 |
| Nov 25, 2025 | 26.89 | 26.90 | 26.89 | 26.90 | 26.90 | 0.13% | 189 |
| Nov 24, 2025 | 26.84 | 26.87 | 26.84 | 26.87 | 26.87 | 0.26% | 1,117 |
| Nov 21, 2025 | 26.82 | 26.84 | 26.80 | 26.80 | 26.79 | 0.24% | 1,130 |
| Nov 20, 2025 | 26.86 | 26.90 | 26.73 | 26.73 | 26.73 | -0.24% | 7,133 |
| Nov 19, 2025 | 26.81 | 26.81 | 26.80 | 26.80 | 26.80 | -0.09% | 756 |
| Nov 18, 2025 | 26.82 | 26.83 | 26.79 | 26.82 | 26.82 | 0.01% | 40,709 |
| Nov 17, 2025 | 26.83 | 26.88 | 26.82 | 26.82 | 26.82 | -0.05% | 3,123 |
| Nov 14, 2025 | 26.87 | 26.87 | 26.83 | 26.83 | 26.83 | 0.02% | 1,656 |
| Nov 13, 2025 | 26.83 | 26.86 | 26.82 | 26.83 | 26.82 | -0.33% | 2,654 |
| Nov 12, 2025 | 26.93 | 26.93 | 26.92 | 26.92 | 26.92 | -0.04% | 4,519 |
| Nov 11, 2025 | 26.93 | 26.96 | 26.89 | 26.93 | 26.92 | 0.09% | 8,179 |
| Nov 10, 2025 | 26.90 | 26.90 | 26.90 | 26.90 | 26.90 | 0.19% | 92 |
| 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 | 26.92 | -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 |