Calamos S&P 500 Structured Alt Protection ETF - October (CPSO)
NYSEARCA: CPSO · Real-Time Price · USD
28.42
-0.06 (-0.23%)
Oct 16, 2026, 4:00 PM EDT - Market closed
CPSO Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 16, 2026 | 28.44 | 28.44 | 28.44 | 28.42 | 28.42 | -0.22% | 6,395 |
| Oct 15, 2026 | 28.58 | 28.58 | 28.42 | 28.48 | 28.48 | 0.06% | 16,053 |
| Oct 14, 2026 | 28.49 | 28.49 | 28.42 | 28.46 | 28.46 | -0.28% | 4,531 |
| Oct 13, 2026 | 28.49 | 28.54 | 28.49 | 28.54 | 28.54 | 0.11% | 2,903 |
| Oct 12, 2026 | 28.52 | 28.53 | 28.51 | 28.51 | 28.51 | -0.11% | 3,661 |
| Oct 9, 2026 | 28.53 | 28.55 | 28.51 | 28.54 | 28.54 | 0.08% | 11,666 |
| Oct 8, 2026 | 28.51 | 28.53 | 28.48 | 28.52 | 28.52 | 0.01% | 10,981 |
| Oct 7, 2026 | 28.50 | 28.53 | 28.46 | 28.52 | 28.52 | -0.05% | 9,630 |
| Oct 6, 2026 | 28.45 | 28.55 | 28.45 | 28.53 | 28.53 | 0.29% | 8,510 |
| Oct 5, 2026 | 28.52 | 28.53 | 28.40 | 28.45 | 28.45 | 0.12% | 5,748 |
| Oct 2, 2026 | 28.45 | 28.47 | 28.40 | 28.42 | 28.42 | 0.04% | 28,495 |
| Oct 1, 2026 | 28.39 | 28.55 | 28.34 | 28.40 | 28.40 | 0.29% | 53,797 |
| Sep 30, 2026 | 28.34 | 28.36 | 28.30 | 28.32 | 28.32 | -0.12% | 11,961 |
| Sep 29, 2026 | 28.34 | 28.36 | 28.32 | 28.36 | 28.36 | 0.12% | 9,700 |
| Sep 28, 2026 | 28.31 | 28.36 | 28.30 | 28.32 | 28.32 | - | 3,768 |
| Sep 25, 2026 | 28.28 | 28.32 | 28.28 | 28.32 | 28.32 | 0.03% | 1,166 |
| Sep 24, 2026 | 28.31 | 28.31 | 28.31 | 28.31 | 28.31 | -0.02% | 168 |
| Sep 23, 2026 | 28.32 | 28.32 | 28.32 | 28.32 | 28.32 | 0.05% | 135 |
| Sep 22, 2026 | 28.30 | 28.30 | 28.30 | 28.30 | 28.30 | 0.01% | 53 |
| Sep 21, 2026 | 28.30 | 28.30 | 28.30 | 28.30 | 28.30 | 0.04% | 22 |
| Sep 18, 2026 | 28.30 | 28.30 | 28.29 | 28.29 | 28.29 | 0.09% | 476 |
| Sep 17, 2026 | 28.24 | 28.27 | 28.24 | 28.27 | 28.27 | -0.04% | 240 |
| Sep 16, 2026 | 28.28 | 28.28 | 28.28 | 28.28 | 28.28 | 0.12% | 583 |
| Sep 15, 2026 | 28.24 | 28.24 | 28.24 | 28.24 | 28.24 | -0.05% | 7 |
| Sep 14, 2026 | 28.28 | 28.28 | 28.25 | 28.25 | 28.25 | 0.01% | 598 |
| Sep 11, 2026 | 28.25 | 28.25 | 28.25 | 28.25 | 28.25 | 0.05% | 128 |
| Sep 10, 2026 | 28.24 | 28.27 | 28.24 | 28.24 | 28.23 | -0.02% | 1,609 |
| Sep 9, 2026 | 28.24 | 28.24 | 28.24 | 28.24 | 28.24 | -0.04% | 737 |
| Sep 8, 2026 | 28.25 | 28.25 | 28.25 | 28.25 | 28.25 | - | 114 |
| Sep 4, 2026 | 28.25 | 28.25 | 28.25 | 28.25 | 28.25 | 0.04% | 199 |
| Sep 3, 2026 | 28.19 | 28.26 | 28.19 | 28.24 | 28.24 | 0.07% | 1,234 |
| Sep 2, 2026 | 28.22 | 28.22 | 28.22 | 28.22 | 28.22 | 0.07% | 38 |
| Sep 1, 2026 | 28.21 | 28.21 | 28.20 | 28.20 | 28.20 | -0.04% | 250 |
| Aug 31, 2026 | 28.25 | 28.25 | 28.20 | 28.21 | 28.21 | - | 5,513 |
| Aug 28, 2026 | 28.21 | 28.21 | 28.21 | 28.21 | 28.21 | 0.02% | 183 |
| Aug 27, 2026 | 28.20 | 28.20 | 28.20 | 28.20 | 28.20 | 0.05% | 198 |
| Aug 26, 2026 | 28.19 | 28.19 | 28.19 | 28.19 | 28.19 | 0.09% | 99 |
| Aug 25, 2026 | 28.18 | 28.18 | 28.15 | 28.17 | 28.17 | 0.04% | 947 |
| Aug 24, 2026 | 28.15 | 28.16 | 28.15 | 28.16 | 28.16 | - | 4,011 |
| Aug 21, 2026 | 28.15 | 28.15 | 28.15 | 28.15 | 28.15 | 0.09% | 7 |
| Aug 20, 2026 | 28.13 | 28.13 | 28.13 | 28.13 | 28.13 | -0.06% | 9 |
| Aug 19, 2026 | 28.15 | 28.15 | 28.15 | 28.15 | 28.15 | -0.02% | 36 |
| Aug 18, 2026 | 28.12 | 28.19 | 28.12 | 28.15 | 28.15 | - | 1,712 |
| Aug 17, 2026 | 28.11 | 28.17 | 28.11 | 28.15 | 28.15 | 0.03% | 1,284 |
| Aug 14, 2026 | 28.14 | 28.14 | 28.14 | 28.14 | 28.14 | 0.04% | 7 |
| Aug 13, 2026 | 28.13 | 28.13 | 28.13 | 28.13 | 28.13 | -0.03% | 10 |
| Aug 12, 2026 | 28.17 | 28.17 | 28.10 | 28.14 | 28.14 | 0.12% | 1,523 |
| Aug 11, 2026 | 28.11 | 28.11 | 28.11 | 28.11 | 28.11 | -0.05% | 337 |
| Aug 10, 2026 | 28.13 | 28.13 | 28.12 | 28.12 | 28.12 | -0.02% | 107 |
| Aug 7, 2026 | 28.12 | 28.13 | 28.09 | 28.13 | 28.13 | 0.09% | 3,409 |