Federal Data Hub › SEC Fails-to-Deliver · JSON
Fails-to-deliver · CUSIP 12811T803
Over the rolling 12-month window, securities of CALAMOS ETF TR S&P 500 STRUCTU failed to deliver in the NSCC's Continuous Net Settlement system on 39 settlement days, totaling 281,728 fail shares and peaking at 189,917 shares on 2025-07-02. Persistent or spiking fails-to-deliver can signal delivery stress, naked short selling, or operational settlement problems.
| Settlement date | Fail shares | Price |
|---|---|---|
| 2026-10-14 | 300 | $28.11 |
| 2026-10-13 | 299 | $28.11 |
| 2026-10-02 | 12 | $28.01 |
| 2026-09-18 | 159 | $27.95 |
| 2026-09-17 | 158 | $27.85 |
| 2026-09-16 | 101 | $27.91 |
| 2026-09-15 | 785 | $27.93 |
| 2026-09-14 | 938 | $27.95 |
| 2026-09-11 | 191 | $27.91 |
| 2026-09-10 | 340 | $27.96 |
| 2026-09-09 | 339 | $27.96 |
| 2026-09-02 | 108 | $27.88 |
| 2026-09-01 | 7 | $27.95 |
| 2026-08-31 | 392 | $27.95 |
| 2026-08-27 | 332 | $27.93 |
| 2026-08-26 | 31 | $27.91 |
| 2026-08-25 | 33 | $27.90 |
| 2026-08-21 | 115 | $27.91 |
| 2026-08-20 | 353 | $27.93 |
| 2026-08-14 | 1,846 | $27.99 |
| 2026-08-13 | 1,244 | $27.95 |
| 2026-08-12 | 1,493 | $27.93 |
| 2026-08-11 | 1,738 | $27.96 |
| 2026-08-05 | 467 | $27.92 |
| 2026-08-04 | 5,344 | $27.84 |
| 2026-08-03 | 5,401 | $27.78 |
| 2026-07-31 | 3,214 | $27.72 |
| 2026-07-30 | 3,586 | $27.67 |
| 2026-07-29 | 2,244 | $27.72 |
| 2026-07-28 | 10,690 | $27.71 |
| 2026-07-27 | 60 | $27.69 |
| 2026-07-24 | 1,121 | $27.67 |
| 2026-07-22 | 3,630 | $27.74 |
| 2026-07-21 | 3,608 | $27.72 |
| 2026-07-20 | 3,608 | $27.72 |
| 2026-07-17 | 3,608 | $27.76 |
| 2026-07-10 | 41,866 | $27.76 |
| 2026-07-09 | 41,107 | $27.70 |
| 2026-07-08 | 39,266 | $27.73 |
| 2026-07-07 | 34,543 | $27.74 |
| 2026-07-06 | 105,041 | $27.69 |
| 2026-07-02 | 83,903 | $27.68 |
| 2026-07-01 | 147 | $27.67 |
| 2026-05-29 | 1 | $27.54 |
| 2026-01-06 | 98 | $26.94 |
| 2026-01-05 | 98 | $26.90 |
| 2026-01-02 | 198 | $26.89 |
| 2025-10-27 | 4 | $26.71 |
| 2025-10-16 | 299 | $26.61 |
| 2025-08-21 | 256 | $26.34 |
| 2025-08-20 | 256 | $26.33 |
| 2025-08-19 | 464 | $26.33 |
| 2025-08-12 | 949 | $26.28 |
| 2025-08-11 | 1,149 | $26.30 |
| 2025-08-06 | 208 | $26.23 |
| 2025-08-05 | 1,484 | $26.24 |
| 2025-08-01 | 100 | $26.20 |
| 2025-07-31 | 182 | $26.22 |
| 2025-07-29 | 1,157 | $26.27 |
| 2025-07-28 | 3,634 | $26.28 |
| 2025-07-25 | 9,385 | $26.24 |
| 2025-07-24 | 7,441 | $26.19 |
| 2025-07-23 | 16,520 | $26.19 |
| 2025-07-22 | 12,320 | $26.19 |
| 2025-07-21 | 7,143 | $26.16 |
| 2025-07-18 | 1,208 | $26.16 |
| 2025-07-17 | 1,208 | $26.16 |
| 2025-07-16 | 5,772 | $26.13 |
| 2025-07-15 | 5,435 | $26.14 |
| 2025-07-14 | 189 | $26.12 |
| 2025-07-11 | 1,589 | $26.14 |
| 2025-07-10 | 689 | $26.11 |
| 2025-07-09 | 324 | $26.10 |
| 2025-07-08 | 557 | $26.09 |
| 2025-07-07 | 4,164 | $26.15 |
| 2025-07-03 | 6,844 | $26.12 |
| 2025-07-02 | 189,917 | $26.11 |
| 2025-06-25 | 181 | $26.02 |
| 2025-06-23 | 47 | $25.81 |
| 2025-06-18 | 38 | $25.76 |
| 2025-06-16 | 38 | $25.73 |
| 2025-06-13 | 182 | $25.81 |
A "fail-to-deliver" occurs when a party in a securities trade does not deliver the shares by the settlement date. The SEC publishes twice-monthly files of CNS fails-to-deliver by security. This page aggregates the rolling 12-month window. CUSIP 12811T803 links to this security's other federal filings across the hub.
Source: SEC Fails-to-Deliver Data. License: CC0 1.0.