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PFIX · Simplify Interest Rate Hedge ETF · Short Interest ETF

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$57.00 -1.87 (-3.18%)
Volume · Oct 22 1.02M Avg daily vol (3M) 370.13K

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 →

PFIX Latest Reported Short Interest

FINRA reported 159,507 PFIX shares sold short as of the September 30, 2026 settlement date, an increase of 105,111 shares. Days to cover was 1.00 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
    		 — — — —
    2026-09-30 159,507 54,396 +105,111 1.00
    2026-09-15 54,396 68,974 -14,578 1.00
    2026-08-31 68,974 192,371 -123,397 1.00
    2026-08-14 192,371 146,654 +45,717 1.00
    2026-07-31 146,654 140,239 +6,415 1.27
    2026-07-15 140,239 166,778 -26,539 1.00
    2026-06-30 166,778 159,184 +7,594 1.00
    2026-06-15 159,184 136,018 +23,166 1.00
    2026-05-29 136,018 47,084 +88,934 1.00
    2026-05-15 47,084 47,439 -355 1.00
    2026-04-30 47,439 14,105 +33,334 1.00
    2026-04-15 14,105 383,704 -369,599 1.00
    2026-03-31 383,704 268,788 +114,916 1.00
    2026-03-13 268,788 34,978 +233,810 1.00
    2026-02-27 34,978 46,503 -11,525 1.00
    2026-02-13 46,503 53,129 -6,626 1.00
    2026-01-30 53,129 123,294 -70,165 1.00
    2026-01-15 123,294 36,521 +86,773 1.00
    2025-12-31 36,521 107,965 -71,444 1.00
    2025-12-15 107,965 30,103 +77,862 1.00
    2025-11-28 30,103 46,755 -16,652 1.00
    2025-11-14 46,755 26,675 +20,080 1.00
    2025-10-31 26,675 30,313 -3,638 1.00

    Full FINRA short interest reporting calendar

    Showing 1–23 of 23 settlements