Federal Data Hub › SEC Fails-to-Deliver · JSON
Fails-to-deliver · CUSIP 12811T787
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 54 settlement days, totaling 110,964 fail shares and peaking at 17,876 shares on 2026-02-06. 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 | 10 | $26.20 |
| 2026-10-13 | 10 | $26.20 |
| 2026-10-09 | 1 | $26.19 |
| 2026-10-07 | 2 | $26.17 |
| 2026-10-06 | 2 | $26.20 |
| 2026-10-05 | 2 | $26.16 |
| 2026-09-18 | 39 | $26.07 |
| 2026-09-17 | 39 | $25.99 |
| 2026-09-16 | 18 | $26.03 |
| 2026-08-28 | 309 | $26.00 |
| 2026-08-27 | 310 | $25.98 |
| 2026-08-26 | 425 | $25.99 |
| 2026-08-11 | 29 | $25.89 |
| 2026-08-05 | 2,425 | $25.91 |
| 2026-08-04 | 2,500 | $25.88 |
| 2026-06-08 | 4 | $25.63 |
| 2026-06-05 | 4 | $25.68 |
| 2026-05-27 | 3 | $25.62 |
| 2026-04-09 | 1 | $25.20 |
| 2026-04-08 | 1 | $25.10 |
| 2026-04-07 | 1 | $25.10 |
| 2026-04-06 | 1 | $25.06 |
| 2026-02-26 | 379 | $25.23 |
| 2026-02-25 | 420 | $25.20 |
| 2026-02-24 | 720 | $25.16 |
| 2026-02-13 | 678 | $25.16 |
| 2026-02-12 | 2,203 | $25.22 |
| 2026-02-11 | 10,947 | $25.25 |
| 2026-02-10 | 16,834 | $25.24 |
| 2026-02-09 | 17,342 | $25.20 |
| 2026-02-06 | 17,876 | $25.14 |
| 2026-02-05 | 4,785 | $25.16 |
| 2026-02-04 | 2 | $25.17 |
| 2026-02-03 | 526 | $25.21 |
| 2026-02-02 | 526 | $25.18 |
| 2026-01-30 | 551 | $25.17 |
| 2026-01-29 | 603 | $25.19 |
| 2026-01-27 | 971 | $25.17 |
| 2026-01-26 | 2,153 | $25.18 |
| 2026-01-23 | 2,286 | $25.17 |
| 2026-01-22 | 79 | $25.14 |
| 2026-01-21 | 25 | $25.13 |
| 2026-01-20 | 4,750 | $25.19 |
| 2026-01-16 | 78 | $25.19 |
| 2026-01-15 | 78 | $25.18 |
| 2026-01-14 | 24 | $25.20 |
| 2026-01-13 | 733 | $25.18 |
| 2026-01-12 | 774 | $25.20 |
| 2026-01-09 | 381 | $25.17 |
| 2026-01-07 | 1,581 | $25.15 |
| 2026-01-06 | 3,080 | $25.15 |
| 2026-01-05 | 1,887 | $25.13 |
| 2025-12-17 | 40 | $25.01 |
| 2025-12-11 | 43 | $24.98 |
| 2025-12-10 | 43 | $24.99 |
| 2025-12-09 | 43 | $24.99 |
| 2025-12-08 | 1,800 | $24.98 |
| 2025-12-05 | 1,757 | $24.97 |
| 2025-12-04 | 4,957 | $24.95 |
| 2025-12-03 | 4,957 | $24.96 |
| 2025-12-02 | 175 | $24.94 |
| 2025-12-01 | 175 | $24.94 |
| 2025-10-07 | 1 | $24.71 |
| 2025-06-24 | 50 | $23.98 |
| 2025-06-23 | 50 | $23.91 |
| 2025-06-17 | 104 | $23.96 |
| 2025-06-16 | 104 | $23.88 |
| 2025-06-13 | 104 | $23.95 |
| 2025-06-06 | 1,094 | $23.85 |
| 2025-06-05 | 1,094 | $23.88 |
| 2025-06-04 | 1,094 | $23.87 |
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 12811T787 links to this security's other federal filings across the hub.
Source: SEC Fails-to-Deliver Data. License: CC0 1.0.