Calamos S&P 500 Structured Alt Protection ETF - September (CPST)
NYSEARCA: CPST · Real-Time Price · USD
27.86
0.00 (0.00%)
Jul 7, 2026, 4:00 PM EDT - Market closed
CPST Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Jul 7, 2026 | 27.86 | 27.86 | 27.86 | 27.86 | 27.86 | 0.02% | 74 |
| Jul 6, 2026 | 27.78 | 27.86 | 27.78 | 27.86 | 27.86 | 0.11% | 2,108 |
| Jul 2, 2026 | 27.83 | 27.83 | 27.83 | 27.83 | 27.83 | -0.02% | 9 |
| Jul 1, 2026 | 27.83 | 27.83 | 27.83 | 27.83 | 27.83 | 0.07% | 7 |
| Jun 30, 2026 | 27.81 | 27.81 | 27.77 | 27.81 | 27.81 | 0.07% | 1,222 |
| Jun 29, 2026 | 27.78 | 27.82 | 27.78 | 27.79 | 27.79 | 0.11% | 2,717 |
| Jun 26, 2026 | 27.76 | 27.76 | 27.76 | 27.76 | 27.76 | 0.11% | 89 |
| Jun 25, 2026 | 27.74 | 27.74 | 27.72 | 27.73 | 27.73 | -0.07% | 5,359 |
| Jun 24, 2026 | 27.75 | 27.75 | 27.75 | 27.75 | 27.75 | - | 130 |
| Jun 23, 2026 | 27.75 | 27.75 | 27.75 | 27.75 | 27.75 | -0.14% | 169 |
| Jun 22, 2026 | 27.76 | 27.79 | 27.76 | 27.79 | 27.79 | 0.10% | 144 |
| Jun 18, 2026 | 27.81 | 27.81 | 27.75 | 27.76 | 27.76 | 0.06% | 1,181 |
| Jun 17, 2026 | 27.78 | 27.78 | 27.75 | 27.75 | 27.75 | -0.14% | 227 |
| Jun 16, 2026 | 27.75 | 27.83 | 27.75 | 27.79 | 27.79 | 0.05% | 2,271 |
| Jun 15, 2026 | 27.77 | 27.77 | 27.77 | 27.77 | 27.77 | 0.13% | 352 |
| Jun 12, 2026 | 27.76 | 27.76 | 27.74 | 27.74 | 27.74 | 0.07% | 155 |
| Jun 11, 2026 | 27.74 | 27.74 | 27.67 | 27.72 | 27.72 | 0.20% | 2,265 |
| Jun 10, 2026 | 27.66 | 27.70 | 27.62 | 27.66 | 27.66 | -0.14% | 11,010 |
| Jun 9, 2026 | 27.70 | 27.70 | 27.70 | 27.70 | 27.70 | -0.07% | 34 |
| Jun 8, 2026 | 27.69 | 27.72 | 27.69 | 27.72 | 27.72 | 0.07% | 317 |
| Jun 5, 2026 | 27.72 | 27.75 | 27.70 | 27.70 | 27.70 | -0.18% | 1,348 |
| Jun 4, 2026 | 27.75 | 27.75 | 27.75 | 27.75 | 27.75 | 0.02% | 3 |
| Jun 3, 2026 | 27.75 | 27.75 | 27.75 | 27.75 | 27.75 | - | 846 |
| Jun 2, 2026 | 27.74 | 27.75 | 27.74 | 27.75 | 27.75 | 0.07% | 281 |
| Jun 1, 2026 | 27.73 | 27.73 | 27.73 | 27.73 | 27.73 | 0.01% | 112 |
| May 29, 2026 | 27.72 | 27.72 | 27.72 | 27.72 | 27.72 | 0.03% | 6 |
| May 28, 2026 | 27.68 | 27.72 | 27.68 | 27.72 | 27.72 | 0.04% | 1,106 |
| May 27, 2026 | 27.70 | 27.70 | 27.70 | 27.70 | 27.70 | 0.02% | 111 |
| May 26, 2026 | 27.70 | 27.70 | 27.70 | 27.70 | 27.70 | 0.13% | 66 |
| May 22, 2026 | 27.67 | 27.67 | 27.67 | 27.67 | 27.67 | -0.01% | 224 |
| May 21, 2026 | 27.67 | 27.67 | 27.67 | 27.67 | 27.67 | 0.08% | 42 |
| May 20, 2026 | 27.61 | 27.65 | 27.61 | 27.65 | 27.64 | 0.05% | 738 |
| May 19, 2026 | 27.66 | 27.66 | 27.63 | 27.63 | 27.63 | - | 808 |
| May 18, 2026 | 27.61 | 27.63 | 27.60 | 27.63 | 27.63 | -0.03% | 5,491 |
| May 15, 2026 | 27.61 | 27.64 | 27.61 | 27.64 | 27.64 | -0.08% | 732 |
| May 14, 2026 | 27.66 | 27.66 | 27.66 | 27.66 | 27.66 | 0.09% | 266 |
| May 13, 2026 | 27.64 | 27.64 | 27.64 | 27.64 | 27.64 | 0.06% | 94 |
| May 12, 2026 | 27.57 | 27.62 | 27.56 | 27.62 | 27.62 | 0.11% | 830 |
| May 11, 2026 | 27.07 | 27.60 | 27.07 | 27.59 | 27.59 | 0.02% | 7,619 |
| May 8, 2026 | 27.57 | 27.59 | 27.57 | 27.59 | 27.59 | 0.09% | 360 |
| May 7, 2026 | 27.56 | 27.56 | 27.56 | 27.56 | 27.56 | -0.09% | 11,120 |
| May 6, 2026 | 27.56 | 27.59 | 27.56 | 27.59 | 27.59 | 0.16% | 955 |
| May 5, 2026 | 27.52 | 27.54 | 27.51 | 27.54 | 27.54 | 0.13% | 1,298 |
| May 4, 2026 | 27.51 | 27.51 | 27.51 | 27.51 | 27.50 | -0.05% | 1,034 |
| May 1, 2026 | 27.53 | 27.54 | 27.51 | 27.52 | 27.52 | 0.02% | 12,634 |
| Apr 30, 2026 | 27.47 | 27.52 | 27.47 | 27.52 | 27.52 | 0.20% | 211 |
| Apr 29, 2026 | 27.50 | 27.53 | 27.44 | 27.46 | 27.46 | -0.05% | 2,506 |
| Apr 28, 2026 | 27.48 | 27.48 | 27.48 | 27.48 | 27.48 | 0.04% | 283 |
| Apr 27, 2026 | 27.47 | 27.47 | 27.47 | 27.47 | 27.47 | -0.02% | - |
| Apr 24, 2026 | 27.47 | 27.47 | 27.47 | 27.47 | 27.47 | 0.18% | 1 |