Skip to main content
CPSM logo

CPSM · Calamos S&P 500 Structured Alt Protection ETF - May ETF

Alerts for CPSM
$29.58 -0.01 (-0.04%) 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 1,800 6,967 8,767 52.8%
2026-07-20 3,455 6,763 10,218 56.5%
2026-07-13 0 3,653 3,653 81.2%
2026-07-06 547 7,078 7,625 75.5%
2026-06-29 2,218 6,006 8,224 71.5%
2026-06-22 1,579 6,150 7,729 56.4%
2026-06-15 1,098 6,001 7,099 71.7%
2026-06-08 1,529 18,430 19,959 67.4%
2026-06-01 4,831 20,095 24,926 68.7%
2026-05-25 4,680 31,665 36,345 83.4%
2026-05-18 3,988 22,709 26,697 63.0%
2026-05-11 8,400 48,247 56,647 73.9%
2026-05-04 6,258 35,311 41,569 52.5%
2026-04-27 15,652 31,380 47,032 53.3%
2026-04-20 1,067 3,686 4,753 62.5%
2026-04-13 5,985 5,490 11,475 42.5%
2026-04-06 785 2,103 2,888 58.9%
2026-03-30 4,846 9,317 14,163 43.4%
2026-03-23 300 4,259 4,559 46.1%
2026-03-16 500 2,547 3,047 45.5%
2026-03-09 1,845 9,874 11,719 56.1%
2026-03-02 220 3,658 3,878 31.3%
2026-02-23 200 343 543 11.6%
2026-02-16 423 5,349 5,772 71.3%
2026-02-09 1,640 8,153 9,793 46.0%
2026-02-02 3,356 11,468 14,824 36.7%
2026-01-26 1,432 16,760 18,192 71.3%
2026-01-19 1,683 9,155 10,838 45.7%
2026-01-12 200 13,431 13,631 66.2%
2026-01-05 8,029 19,451 27,480 67.4%
2025-12-29 6,609 10,165 16,774 61.4%
2025-12-22 1,199 13,831 15,030 84.4%
2025-12-15 3,248 6,174 9,422 64.1%
2025-12-08 1,308 3,889 5,197 60.4%
2025-12-01 490 7,626 8,116 54.8%
2025-11-24 3,937 3,136 7,073 37.2%
2025-11-17 3,627 9,892 13,519 59.8%
2025-11-10 8,629 12,469 21,098 61.9%
2025-11-03 1,843 76,033 77,876 89.3%
2025-10-27 730 1,700 2,430 36.3%
2025-10-20 5,080 8,499 13,579 62.0%
2025-10-13 1,367 11,425 12,792 49.8%
2025-10-06 5,811 10,409 16,220 65.4%
2025-09-29 789 4,274 5,063 10.2%
2025-09-22 4,458 2,138 6,596 59.4%
2025-09-15 3,724 10,919 14,643 55.0%
2025-09-08 4,311 16,401 20,712 62.4%
Showing 1–47 of 47 weeks