Federal Data Hub › SEC Fails-to-Deliver · JSON
Fails-to-deliver · CUSIP 12811T886
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 43 settlement days, totaling 85,277 fail shares and peaking at 43,750 shares on 2025-09-03. Persistent or spiking fails-to-deliver can signal delivery stress, naked short selling, or operational settlement problems.
| Settlement date | Fail shares | Price |
|---|---|---|
| 2026-10-05 | 1,587 | $28.17 |
| 2026-10-02 | 44,426 | $28.14 |
| 2026-09-30 | 807 | $28.08 |
| 2026-09-25 | 2,474 | $28.09 |
| 2026-09-24 | 2,473 | $28.12 |
| 2026-09-23 | 242 | $28.14 |
| 2026-09-22 | 291 | $28.12 |
| 2026-09-21 | 1 | $28.06 |
| 2026-09-17 | 2,336 | $27.97 |
| 2026-09-16 | 4,312 | $28.01 |
| 2026-09-15 | 1,919 | $28.03 |
| 2026-09-11 | 1,642 | $28.01 |
| 2026-09-10 | 2,754 | $28.07 |
| 2026-09-09 | 16,357 | $28.12 |
| 2026-09-08 | 26,017 | $28.13 |
| 2026-09-04 | 18,668 | $28.18 |
| 2026-09-03 | 2,417 | $28.10 |
| 2026-09-02 | 2,508 | $28.07 |
| 2026-09-01 | 2,962 | $28.13 |
| 2026-08-31 | 1,638 | $28.10 |
| 2026-07-17 | 2 | $27.91 |
| 2026-07-16 | 2 | $27.91 |
| 2026-06-09 | 170 | $27.72 |
| 2026-06-08 | 155 | $27.70 |
| 2026-06-05 | 330 | $27.75 |
| 2026-06-04 | 330 | $27.75 |
| 2026-06-03 | 5 | $27.75 |
| 2026-05-21 | 1 | $27.64 |
| 2026-05-20 | 3 | $27.63 |
| 2026-05-19 | 1 | $27.63 |
| 2026-05-18 | 1 | $27.64 |
| 2026-05-15 | 1 | $27.66 |
| 2026-03-23 | 12 | $26.96 |
| 2026-03-20 | 11 | $27.03 |
| 2026-02-03 | 197 | $27.16 |
| 2026-02-02 | 197 | $27.15 |
| 2026-01-30 | 197 | $27.16 |
| 2026-01-29 | 277 | $27.18 |
| 2025-12-09 | 246 | $26.92 |
| 2025-10-30 | 92 | $26.88 |
| 2025-10-14 | 949 | $26.76 |
| 2025-10-10 | 141 | $26.80 |
| 2025-10-09 | 341 | $26.78 |
| 2025-10-02 | 4,442 | $26.78 |
| 2025-10-01 | 4,746 | $26.71 |
| 2025-09-30 | 2,809 | $26.73 |
| 2025-09-29 | 2,909 | $26.72 |
| 2025-09-24 | 53 | $26.71 |
| 2025-09-23 | 9 | $26.77 |
| 2025-09-22 | 1,727 | $26.73 |
| 2025-09-19 | 1,727 | $26.73 |
| 2025-09-18 | 334 | $26.69 |
| 2025-09-17 | 408 | $26.68 |
| 2025-09-16 | 100 | $26.68 |
| 2025-09-15 | 624 | $26.67 |
| 2025-09-12 | 3,516 | $26.67 |
| 2025-09-11 | 2,580 | $26.65 |
| 2025-09-10 | 2,880 | $26.63 |
| 2025-09-04 | 7,600 | $26.56 |
| 2025-09-03 | 43,750 | $26.54 |
| 2025-09-02 | 1,217 | $26.56 |
| 2025-08-28 | 514 | $26.51 |
| 2025-08-27 | 514 | $26.51 |
| 2025-08-22 | 14 | $26.47 |
| 2025-08-21 | 14 | $26.48 |
| 2025-08-07 | 42 | $26.38 |
| 2025-08-06 | 42 | $26.34 |
| 2025-06-23 | 2 | $25.84 |
| 2025-06-20 | 1 | $25.83 |
| 2025-06-17 | 36 | $25.90 |
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 12811T886 links to this security's other federal filings across the hub.
Source: SEC Fails-to-Deliver Data. License: CC0 1.0.