Calamos S&P 500 Structured Alt Protection ETF - September (CPST)
NYSEARCA: CPST · Real-Time Price · USD
27.91
0.00 (0.00%)
Jul 28, 2026, 12:42 PM EDT - Market open
CPST Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Jul 27, 2026 | 27.90 | 27.91 | 27.88 | 27.91 | 27.91 | 0.02% | 14,719 |
| Jul 24, 2026 | 27.91 | 27.91 | 27.88 | 27.91 | 27.91 | 0.05% | 1,503 |
| Jul 23, 2026 | 27.92 | 27.92 | 27.89 | 27.89 | 27.89 | -0.11% | 218 |
| Jul 22, 2026 | 27.90 | 27.92 | 27.90 | 27.92 | 27.92 | 0.02% | 1,497 |
| Jul 21, 2026 | 27.92 | 27.92 | 27.92 | 27.92 | 27.92 | 0.07% | 8 |
| Jul 20, 2026 | 27.89 | 27.93 | 27.89 | 27.90 | 27.90 | 0.02% | 1,409 |
| Jul 17, 2026 | 27.87 | 27.89 | 27.87 | 27.89 | 27.89 | -0.05% | 426 |
| Jul 16, 2026 | 27.93 | 27.93 | 27.91 | 27.91 | 27.91 | -0.02% | 455 |
| Jul 15, 2026 | 27.93 | 27.93 | 27.91 | 27.91 | 27.91 | 0.02% | 255 |
| Jul 14, 2026 | 27.88 | 27.93 | 27.88 | 27.91 | 27.91 | 0.05% | 1,929 |
| Jul 13, 2026 | 27.89 | 27.89 | 27.89 | 27.89 | 27.89 | -0.04% | 7 |
| Jul 10, 2026 | 27.90 | 27.90 | 27.90 | 27.90 | 27.90 | 0.11% | 42 |
| Jul 9, 2026 | 27.88 | 27.88 | 27.87 | 27.87 | 27.87 | 0.04% | 234 |
| Jul 8, 2026 | 27.86 | 27.86 | 27.86 | 27.86 | 27.86 | - | 59 |
| 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 |