Federal Data Hub › SEC Fails-to-Deliver · JSON
Fails-to-deliver · CUSIP 12811T811
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 51 settlement days, totaling 209,619 fail shares and peaking at 40,967 shares on 2025-11-14. Persistent or spiking fails-to-deliver can signal delivery stress, naked short selling, or operational settlement problems.
| Settlement date | Fail shares | Price |
|---|---|---|
| 2026-10-09 | 22 | $28.28 |
| 2026-09-14 | 231 | $28.12 |
| 2026-06-30 | 1 | $27.64 |
| 2026-06-25 | 314 | $27.57 |
| 2026-06-24 | 314 | $27.60 |
| 2026-06-23 | 814 | $27.64 |
| 2026-06-22 | 814 | $27.66 |
| 2026-04-10 | 358 | $27.05 |
| 2026-04-09 | 579 | $27.02 |
| 2026-04-08 | 190 | $26.87 |
| 2026-04-06 | 507 | $26.85 |
| 2026-04-02 | 507 | $26.81 |
| 2026-04-01 | 507 | $26.77 |
| 2026-03-13 | 242 | $26.91 |
| 2026-03-12 | 211 | $26.98 |
| 2026-02-24 | 16 | $26.98 |
| 2026-02-18 | 1,000 | $26.98 |
| 2026-02-06 | 189 | $26.97 |
| 2026-02-05 | 228 | $26.99 |
| 2026-02-04 | 28 | $27.00 |
| 2026-02-03 | 28 | $27.04 |
| 2026-01-29 | 11,841 | $27.07 |
| 2026-01-27 | 1,279 | $27.01 |
| 2026-01-08 | 249 | $26.97 |
| 2026-01-07 | 777 | $26.98 |
| 2026-01-06 | 625 | $26.96 |
| 2026-01-05 | 1,302 | $26.93 |
| 2025-12-22 | 16 | $26.88 |
| 2025-12-18 | 228 | $26.79 |
| 2025-12-17 | 1,275 | $26.84 |
| 2025-12-16 | 1,275 | $26.87 |
| 2025-12-15 | 1,275 | $26.85 |
| 2025-12-09 | 2,533 | $26.87 |
| 2025-12-08 | 2,226 | $26.86 |
| 2025-12-05 | 1,089 | $26.82 |
| 2025-12-04 | 46 | $26.84 |
| 2025-11-26 | 1,025 | $26.77 |
| 2025-11-25 | 1,027 | $26.71 |
| 2025-11-24 | 11,988 | $26.65 |
| 2025-11-21 | 13,759 | $26.63 |
| 2025-11-20 | 2,624 | $26.67 |
| 2025-11-19 | 2,765 | $26.66 |
| 2025-11-18 | 5,160 | $26.69 |
| 2025-11-17 | 1,101 | $26.73 |
| 2025-11-14 | 40,967 | $26.74 |
| 2025-11-13 | 19,416 | $26.79 |
| 2025-11-12 | 7,876 | $26.79 |
| 2025-11-10 | 11,820 | $26.72 |
| 2025-11-07 | 12,946 | $26.70 |
| 2025-11-06 | 31,724 | $26.71 |
| 2025-11-05 | 5,147 | $26.74 |
| 2025-11-04 | 5,406 | $26.79 |
| 2025-11-03 | 731 | $26.75 |
| 2025-10-31 | 757 | $26.74 |
| 2025-10-30 | 827 | $26.73 |
| 2025-10-29 | 927 | $26.72 |
| 2025-07-23 | 500 | $26.18 |
| 2025-07-22 | 500 | $26.17 |
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 12811T811 links to this security's other federal filings across the hub.
Source: SEC Fails-to-Deliver Data. License: CC0 1.0.