Calamos Nasdaq-100 Structured Alt Protection ETF - September (CPNS)
NYSEARCA: CPNS · Real-Time Price · USD
28.03
0.00 (0.01%)
At close: May 28, 2026, 4:00 PM EDT
28.03
0.00 (0.00%)
After-hours: May 28, 2026, 4:10 PM EDT
CPNS Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| May 28, 2026 | 28.05 | 28.05 | 28.02 | 28.03 | 28.03 | 0.01% | 3,959 |
| May 27, 2026 | 28.03 | 28.03 | 28.01 | 28.03 | 28.03 | -0.03% | 1,424 |
| May 26, 2026 | 28.04 | 28.04 | 28.04 | 28.04 | 28.04 | 0.13% | 60 |
| May 22, 2026 | 28.00 | 28.00 | 28.00 | 28.00 | 28.00 | 0.19% | 20 |
| May 21, 2026 | 27.95 | 27.96 | 27.94 | 27.95 | 27.95 | -0.10% | 355 |
| May 20, 2026 | 27.99 | 27.99 | 27.97 | 27.98 | 27.98 | 0.08% | 894 |
| May 19, 2026 | 27.98 | 27.98 | 27.95 | 27.95 | 27.95 | -0.02% | 717 |
| May 18, 2026 | 27.92 | 27.96 | 27.82 | 27.96 | 27.96 | 0.03% | 20,923 |
| May 15, 2026 | 27.94 | 27.96 | 27.93 | 27.95 | 27.95 | - | 13,075 |
| May 14, 2026 | 27.95 | 27.95 | 27.95 | 27.95 | 27.95 | 0.06% | - |
| May 13, 2026 | 27.93 | 27.93 | 27.93 | 27.93 | 27.93 | -0.04% | 1,230 |
| May 12, 2026 | 27.91 | 27.94 | 27.91 | 27.94 | 27.94 | 0.06% | 1,100 |
| May 11, 2026 | 27.93 | 27.96 | 27.88 | 27.93 | 27.93 | -0.01% | 1,770 |
| May 8, 2026 | 27.92 | 27.93 | 27.92 | 27.93 | 27.93 | 0.10% | 200 |
| May 7, 2026 | 27.89 | 27.91 | 27.88 | 27.90 | 27.90 | 0.07% | 1,067 |
| May 6, 2026 | 27.87 | 27.88 | 27.87 | 27.88 | 27.88 | 0.10% | 319 |
| May 5, 2026 | 27.87 | 27.87 | 27.85 | 27.85 | 27.85 | 0.11% | 1,520 |
| May 4, 2026 | 27.83 | 27.84 | 27.81 | 27.82 | 27.82 | - | 1,910 |
| May 1, 2026 | 27.83 | 27.83 | 27.82 | 27.82 | 27.82 | -0.01% | 22,867 |
| Apr 30, 2026 | 27.78 | 27.82 | 27.78 | 27.82 | 27.82 | 0.23% | 2,389 |
| Apr 29, 2026 | 27.75 | 27.76 | 27.75 | 27.76 | 27.76 | -0.02% | 363 |
| Apr 28, 2026 | 27.76 | 27.76 | 27.76 | 27.76 | 27.76 | -0.09% | 3 |
| Apr 27, 2026 | 27.79 | 27.79 | 27.79 | 27.79 | 27.79 | 0.04% | 22 |
| Apr 24, 2026 | 27.74 | 27.78 | 27.74 | 27.78 | 27.78 | 0.22% | 961 |
| Apr 23, 2026 | 27.71 | 27.73 | 27.71 | 27.72 | 27.72 | -0.04% | 1,315 |
| Apr 22, 2026 | 27.71 | 27.73 | 27.69 | 27.73 | 27.73 | 0.18% | 3,934 |
| Apr 21, 2026 | 27.69 | 27.69 | 27.68 | 27.68 | 27.68 | -0.07% | 121 |
| Apr 20, 2026 | 27.70 | 27.70 | 27.70 | 27.70 | 27.70 | -0.02% | 110 |
| Apr 17, 2026 | 27.70 | 27.70 | 27.70 | 27.70 | 27.70 | 0.16% | 82 |
| Apr 16, 2026 | 27.66 | 27.66 | 27.66 | 27.66 | 27.66 | 0.10% | 158 |
| Apr 15, 2026 | 27.60 | 27.63 | 27.59 | 27.63 | 27.63 | 0.20% | 1,096 |
| Apr 14, 2026 | 27.55 | 27.58 | 27.51 | 27.58 | 27.58 | 0.15% | 11,204 |
| Apr 13, 2026 | 27.49 | 27.53 | 27.49 | 27.53 | 27.53 | 0.17% | 415 |
| Apr 10, 2026 | 27.46 | 27.49 | 27.46 | 27.49 | 27.49 | 0.02% | 100 |
| Apr 9, 2026 | 27.47 | 27.48 | 27.47 | 27.48 | 27.48 | 0.17% | 109 |
| Apr 8, 2026 | 27.43 | 27.43 | 27.43 | 27.43 | 27.43 | 0.51% | 1,320 |
| Apr 7, 2026 | 27.27 | 27.29 | 27.24 | 27.29 | 27.29 | 0.13% | 1,905 |
| Apr 6, 2026 | 27.26 | 27.27 | 27.26 | 27.26 | 27.26 | 0.08% | 1,597 |
| Apr 2, 2026 | 27.23 | 27.24 | 27.22 | 27.24 | 27.24 | -0.01% | 3,719 |
| Apr 1, 2026 | 27.21 | 27.26 | 27.21 | 27.24 | 27.24 | 0.25% | 653 |
| Mar 31, 2026 | 27.12 | 27.17 | 27.12 | 27.17 | 27.17 | 0.50% | 1,191 |
| Mar 30, 2026 | 27.04 | 27.04 | 27.04 | 27.04 | 27.04 | -0.11% | 1 |
| Mar 27, 2026 | 27.07 | 27.07 | 27.07 | 27.07 | 27.07 | -0.30% | - |
| Mar 26, 2026 | 27.17 | 27.17 | 27.15 | 27.15 | 27.15 | -0.46% | 776 |
| Mar 25, 2026 | 27.27 | 27.27 | 27.26 | 27.27 | 27.27 | 0.13% | 743 |
| Mar 24, 2026 | 27.20 | 27.24 | 27.20 | 27.24 | 27.24 | -0.14% | 735 |
| Mar 23, 2026 | 27.25 | 27.28 | 27.25 | 27.28 | 27.28 | 0.29% | 102 |
| Mar 20, 2026 | 27.20 | 27.20 | 27.20 | 27.20 | 27.20 | -0.33% | 62 |
| Mar 19, 2026 | 27.29 | 27.29 | 27.29 | 27.29 | 27.29 | -0.07% | 191 |
| Mar 18, 2026 | 27.31 | 27.31 | 27.31 | 27.31 | 27.31 | -0.20% | - |