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CPST · Calamos S&P 500 Structured Alt Protection ETF - September ETF

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$28.13 -0.05 (-0.16%) At close · Sep 4

Daily short-sale volume published by FINRA from its trade-reporting facilities. It measures how many shares were sold short each day as a share of total volume — a daily flow, not the total outstanding short position.

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    • Short Volume

    Date Short Volume Short Exempt Total Volume Short %
    2026-09-04 8,052 0 8,062 99.9%
    2026-09-03 18,926 0 20,123 94.1%
    2026-09-02 12,905 0 14,895 86.6%
    2026-09-01 38,363 0 55,917 68.6%
    2026-08-31 3,740 0 5,894 63.5%
    2026-08-28 412 0 1,753 23.5%
    2026-08-27 74 0 85 87.5%
    2026-08-26 2 0 6 33.3%
    2026-08-25 842 0 1,048 80.3%
    2026-08-19 3 0 32 9.4%
    2026-08-18 1 0 457 0.2%
    2026-08-17 18 0 55 32.7%
    2026-08-13 3 0 25 12.0%
    2026-08-12 11 0 1,030 1.1%
    2026-08-11 203 0 2,349 8.6%
    2026-08-10 1 0 570 0.2%
    2026-08-07 1 0 5 20.0%
    2026-08-05 606 0 1,290 47.0%
    2026-08-04 34 0 42 81.0%
    2026-08-03 477 0 1,923 24.8%
    2026-07-31 4 0 523 0.8%
    2026-07-30 1 0 113 0.9%
    2026-07-29 3 0 1,186 0.3%
    2026-07-28 3 0 6 50.0%
    2026-07-27 3 0 6 50.0%
    2026-07-24 3 0 3 100.0%
    2026-07-23 15 0 34 44.1%
    2026-07-22 2 0 5 40.0%
    2026-07-21 1 0 1 100.0%
    2026-07-20 2 0 5 40.0%
    2026-07-17 20 0 423 4.7%
    2026-07-16 15 0 66 22.7%
    2026-07-15 34 0 49 69.4%
    2026-07-14 3 0 6 50.0%
    2026-07-13 4 0 7 57.1%
    2026-07-10 38 0 41 92.7%
    2026-07-09 25 0 130 19.2%
    2026-07-08 50 0 54 92.5%
    2026-07-07 3 0 69 4.3%
    2026-07-06 9 0 475 1.9%
    2026-07-02 1 0 1 100.0%
    2026-07-01 1 0 1 100.0%
    2026-06-30 5 0 1,222 0.4%
    2026-06-29 52 0 2,535 2.1%
    2026-06-26 2 0 71 2.8%
    2026-06-25 1 0 2,608 0.0%
    2026-06-23 31 0 79 39.2%
    2026-06-22 1 0 3 33.7%
    2026-06-17 1 0 226 0.4%
    2026-06-16 620 0 621 99.8%
    Showing 1–50 of 57 days