CPSP
Calamos S&P 500 Structured Alt Protection ETF - April
stockNYSEETF
InactiveDec 31, 1969 7:00:00 PM EST
0.00USD0.000%(0.00)520
As of 2026-09-15, there were 3,787 shares short with a short interest of 0.42%.
CPSP Short Interest - Official
Short Interest
CPSP Short Position Change - Official
Short Position Change
CPSP 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 | 0.42 | 3,787 | 5.76 | -1,908 | -33.50 | 900,000 | 900,000 |
| 2026-08-31 | 0.63 | 5,695 | 7.71 | -15,509 | -73.14 | 900,000 | 900,000 |
| 2026-08-14 | 2.65 | 21,204 | 37.40 | +11,101 | +109.88 | 800,000 | 800,000 |
| 2026-07-31 | 1.26 | 10,103 | 3.84 | -28,272 | -73.67 | 800,000 | 800,000 |
| 2026-07-15 | 5.48 | 38,375 | 5.48 | +31,110 | +428.22 | 700,000 | 700,000 |
| 2026-06-30 | 1.04 | 7,265 | 11.76 | +1,660 | +29.62 | 700,000 | 700,000 |
| 2026-06-15 | 0.80 | 5,605 | 3.27 | -5,206 | -48.15 | 700,000 | 700,000 |
| 2026-05-15 | 1.54 | 10,811 | 5.28 | -11,120 | -50.70 | 700,000 | 700,000 |
| 2026-04-30 | 3.13 | 21,931 | 14.49 | +11,888 | +118.37 | 700,000 | 700,000 |
| 2026-04-15 | 1.67 | 10,043 | 1.00 | +3,807 | +61.05 | 600,000 | 600,000 |
| 2026-03-31 | 1.04 | 6,236 | 5.89 | +978 | +18.60 | 600,000 | 600,000 |
| 2026-03-13 | 0.88 | 5,258 | 8.93 | -4,669 | -47.03 | 600,000 | 600,000 |
| 2026-02-27 | 1.65 | 9,927 | 8.96 | -15,068 | -60.28 | 600,000 | 600,000 |
| 2026-02-13 | 4.17 | 24,995 | 18.61 | +17,511 | +233.98 | 600,000 | 600,000 |
| 2026-01-30 | 1.25 | 7,484 | 11.12 | +5,311 | +244.41 | 600,000 | 600,000 |
| 2026-01-15 | 0.36 | 2,173 | 2.27 | -580 | -21.07 | 600,000 | 600,000 |
| 2025-12-31 | 0.46 | 2,753 | 8.07 | +1,476 | +115.58 | 600,000 | 600,000 |
| 2025-12-15 | 0.21 | 1,277 | 1.57 | +641 | +100.79 | 600,000 | 600,000 |
| 2025-11-28 | 0.11 | 636 | 3.31 | -29 | -4.36 | 600,000 | 600,000 |
| 2025-11-14 | 0.11 | 665 | 2.13 | -142 | -17.60 | 600,000 | 600,000 |
| 2025-10-31 | 0.13 | 807 | 2.98 | -934 | -53.65 | 600,000 | 600,000 |
| 2025-10-15 | 0.29 | 1,741 | 1.51 | +1,724 | +10,141.18 | 600,000 | 600,000 |
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.