CPSA · Calamos S&P 500 Structured Alt Protection ETF - August ETF
$28.13
+0.00 (+0.01%)
At close · Sep 4
Weekly off-exchange (dark pool / OTC) trading volume reported to FINRA under its OTC/ATS Transparency data. ATS volume is executed on alternating trading systems (dark pools); non-ATS OTC is other over-the-counter dealer volume. The off-exchange share is total off-exchange volume as a percentage of consolidated weekly trading volume for the same Monday–Friday week.
Off-Exchange Volume History
| Week Start | ATS Volume | Non-ATS OTC Volume | Total Off-Exchange | % of FINRA Weekly Volume |
|---|---|---|---|---|
| 2026-07-27 | 4,281 | 8,755 | 13,036 | 37.6% |
| 2026-07-20 | 301 | 6,214 | 6,515 | 80.4% |
| 2026-07-13 | 1,456 | 18,127 | 19,583 | 82.3% |
| 2026-07-06 | 2,231 | 7,918 | 10,149 | 83.9% |
| 2026-06-29 | 3,014 | 9,214 | 12,228 | 62.1% |
| 2026-06-22 | 3,495 | 9,561 | 13,056 | 55.8% |
| 2026-06-15 | 689 | 8,676 | 9,365 | 76.1% |
| 2026-06-08 | 192 | 2,053 | 2,245 | 68.0% |
| 2026-06-01 | 5,792 | 4,984 | 10,776 | 55.3% |
| 2026-05-25 | 6,116 | 12,751 | 18,867 | 71.2% |
| 2026-05-18 | 3,924 | 7,860 | 11,784 | 85.4% |
| 2026-05-11 | 2,781 | 2,361 | 5,142 | 45.9% |
| 2026-05-04 | 910 | 1,320 | 2,230 | 55.8% |
| 2026-04-27 | 1,149 | 5,211 | 6,360 | 69.1% |
| 2026-04-20 | 700 | 48 | 748 | 39.4% |
| 2026-04-13 | 780 | 688 | 1,468 | 63.8% |
| 2026-04-06 | 339 | 487 | 826 | 37.5% |
| 2026-03-30 | 3,087 | 407 | 3,494 | 54.6% |
| 2026-03-23 | 311 | 1,979 | 2,290 | 44.9% |
| 2026-03-16 | 53 | 342 | 395 | 5.5% |
| 2026-03-09 | 924 | 2,103 | 3,027 | 31.2% |
| 2026-03-02 | 1,369 | 2,967 | 4,336 | 33.9% |
| 2026-02-23 | 2,076 | 4,043 | 6,119 | 41.9% |
| 2026-02-16 | 2,096 | 4,309 | 6,405 | 38.8% |
| 2026-02-09 | 2,023 | 7,297 | 9,320 | 53.6% |
| 2026-02-02 | 7,057 | 19,362 | 26,419 | 50.4% |
| 2026-01-26 | 2,089 | 7,074 | 9,163 | 44.9% |
| 2026-01-19 | 20 | 1,758 | 1,778 | 57.4% |
| 2026-01-12 | 3,099 | 18,432 | 21,531 | 83.1% |
| 2026-01-05 | 4,586 | 6,945 | 11,531 | 42.2% |
| 2025-12-29 | 1,386 | 3,331 | 4,717 | 23.7% |
| 2025-12-22 | 4,237 | 3,912 | 8,149 | 81.5% |
| 2025-12-15 | 1,617 | 3,780 | 5,397 | 37.5% |
| 2025-12-08 | 1,599 | 2,702 | 4,301 | 38.7% |
| 2025-12-01 | 1,798 | 5,786 | 7,584 | 56.6% |
| 2025-11-24 | 759 | 1,917 | 2,676 | 43.9% |
| 2025-11-17 | 1,677 | 8,174 | 9,851 | 53.0% |
| 2025-11-10 | 1,312 | 4,479 | 5,791 | 42.9% |
| 2025-11-03 | 2,936 | 4,660 | 7,596 | 62.3% |
| 2025-10-27 | 1,014 | 3,286 | 4,300 | 39.8% |
| 2025-10-20 | 7,034 | 11,460 | 18,494 | 76.7% |
| 2025-10-13 | 0 | 132 | 132 | 1.0% |
| 2025-10-06 | 710 | 2,254 | 2,964 | 38.5% |
| 2025-09-29 | 5,544 | 17,234 | 22,778 | 57.7% |
| 2025-09-22 | 1,971 | 4,071 | 6,042 | 53.5% |
| 2025-09-15 | 1,442 | 5,113 | 6,555 | 46.8% |
| 2025-09-08 | 2,790 | 6,382 | 9,172 | 79.8% |
Showing 1–47 of 47 weeks