CPNS
Calamos Nasdaq-100 Structured Alt Protection ETF - September
stockNYSEETF
At CloseOct 1, 2026 3:24:41 PM EDT
28.59USD0.000%(+28.59)435
After-hoursOct 2, 2026 4:10:30 PM EDT
28.61USD+0.086%(+0.02)
As of 2026-09-15, there were 2,999 shares short with a short interest of 0.37%.
CPNS Short Interest - Official
Short Interest
CPNS Short Position Change - Official
Short Position Change
CPNS Short Interest - Official
| Settlement Date1 | Short Interest % | Short Position | Days to Cover2 | Short Position Change | Short Position Change % | Shares Out | Shares Float |
|---|---|---|---|---|---|---|---|
| 2026-09-15 | 0.37 | 2,999 | 1.00 | +401 | +15.43 | 800,000 | 800,000 |
| 2026-08-31 | 0.32 | 2,598 | 1.43 | +407 | +18.58 | 800,000 | 800,000 |
| 2026-08-14 | 0.27 | 2,191 | 1.00 | +1,795 | +453.28 | 800,000 | 800,000 |
| 2026-07-31 | 0.05 | 396 | 1.00 | -41 | -9.38 | 800,000 | 800,000 |
| 2026-07-15 | 0.05 | 437 | 1.00 | -2 | -0.46 | 800,000 | 800,000 |
| 2026-06-30 | 0.05 | 439 | 1.00 | +2 | +0.46 | 800,000 | 800,000 |
| 2026-06-15 | 0.05 | 437 | 1.00 | 0 | 0.00 | 900,000 | 900,000 |
| 2026-05-15 | 0.05 | 437 | 1.00 | -182 | -29.40 | 900,000 | 900,000 |
| 2026-04-30 | 0.07 | 619 | 1.00 | -83 | -11.82 | 900,000 | 900,000 |
| 2026-04-15 | 0.08 | 702 | 1.00 | 0 | 0.00 | 900,000 | 900,000 |
| 2026-03-31 | 0.08 | 702 | 1.91 | -38 | -5.14 | 900,000 | 900,000 |
| 2026-03-13 | 0.08 | 740 | 1.00 | -101 | -12.01 | 900,000 | 900,000 |
| 2026-02-27 | 0.09 | 841 | 1.00 | -200 | -19.21 | 900,000 | 900,000 |
| 2026-02-13 | 0.12 | 1,041 | 1.00 | -605 | -36.76 | 900,000 | 900,000 |
| 2026-01-30 | 0.16 | 1,646 | 1.00 | +146 | +9.73 | 1,000,000 | 1,000,000 |
| 2026-01-15 | 0.15 | 1,500 | 1.00 | -334 | -18.21 | 1,000,000 | 1,000,000 |
| 2025-12-31 | 0.18 | 1,834 | 1.39 | -449 | -19.67 | 1,000,000 | 1,000,000 |
| 2025-12-15 | 0.23 | 2,283 | 1.75 | -4,520 | -66.44 | 1,000,000 | 1,000,000 |
| 2025-11-28 | 0.68 | 6,803 | 4.58 | +5,032 | +284.13 | 1,000,000 | 1,000,000 |
| 2025-11-14 | 0.18 | 1,771 | 1.00 | +191 | +12.09 | 1,000,000 | 1,000,000 |
| 2025-10-31 | 0.16 | 1,580 | 1.00 | -2,065 | -56.65 | 1,000,000 | 1,000,000 |
| 2025-10-15 | 0.36 | 3,645 | 1.00 | -6,897 | -65.42 | 1,000,000 | 1,000,000 |
Historical data is split-adjusted.
1 Data from Finra. Finra publishes an updated file every two weeks.
2 Days to Cover (DTC) is also called Short Ratio. This is the Short Position / Average Daily Trading Volume.