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CPNS · Calamos Nasdaq-100 Structured Alt Protection ETF - September · Short Interest ETF

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$28.48 -0.01 (-0.03%) At close · Oct 20
Volume · Oct 20 118 Avg daily vol (3M) 8174

Shares sold short and not yet covered, reported twice monthly. Days to cover is the reported short position divided by average daily volume.

Pull short interest history through the short interest API or MCP →

CPNS Latest Reported Short Interest

FINRA reported 14,408 CPNS shares sold short as of the September 30, 2026 settlement date, an increase of 11,409 shares. Days to cover was 2.12 based on FINRA's reported average daily volume.

Official FINRA short-interest data · share counts are restated for subsequent splits of this listing

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    • Short Interest History

    Settlement Date Current Position Previous Position Change Days to Cover
    2026-10-30 Scheduled
    FINRA publishes Nov 10
    		 — — — —
    2026-10-15 Scheduled
    FINRA publishes Oct 26
    		 — — — —
    2026-09-30 14,408 2,999 +11,409 2.12
    2026-09-15 2,999 2,598 +401 1.00
    2026-08-31 2,598 2,191 +407 1.43
    2026-08-14 2,191 396 +1,795 1.00
    2026-07-31 396 437 -41 1.00
    2026-07-15 437 439 -2 1.00
    2026-06-30 439 437 +2 1.00
    2026-06-15 437 437 0 1.00
    2026-05-29 437 437 0 1.00
    2026-05-15 437 619 -182 1.00
    2026-04-30 619 702 -83 1.00
    2026-04-15 702 702 0 1.00
    2026-03-31 702 740 -38 1.91
    2026-03-13 740 841 -101 1.00
    2026-02-27 841 1,041 -200 1.00
    2026-02-13 1,041 1,646 -605 1.00
    2026-01-30 1,646 1,500 +146 1.00
    2026-01-15 1,500 1,834 -334 1.00
    2025-12-31 1,834 2,283 -449 1.39
    2025-12-15 2,283 6,803 -4,520 1.75
    2025-11-28 6,803 1,771 +5,032 4.58
    2025-11-14 1,771 1,580 +191 1.00
    2025-10-31 1,580 3,645 -2,065 1.00

    Full FINRA short interest reporting calendar

    Showing 1–23 of 23 settlements