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MYY · ProShares Short MidCap400 · Short Interest ETF

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$16.09 -0.07 (-0.44%) At close · Nov 6
Volume · Nov 6 7898 Avg daily vol (3M) 7230

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 →

MYY Latest Reported Short Interest

FINRA reported 2,997 MYY shares sold short as of the October 15, 2026 settlement date, an increase of 243 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
    2026-11-13 Scheduled
    FINRA publishes Nov 24
    		 — — — —
    2026-10-30 Scheduled
    FINRA publishes Nov 10
    		 — — — —
    2026-10-15 2,997 2,754 +243 1.00
    2026-09-30 2,754 2,572 +182 1.16
    2026-09-15 2,572 3,687 -1,115 1.00
    2026-08-31 3,687 3,816 -129 1.98
    2026-08-14 3,816 4,648 -832 1.78
    2026-07-31 4,648 5,199 -551 1.00
    2026-07-15 5,199 3,044 +2,155 1.19
    2026-06-30 3,044 2,963 +81 1.00
    2026-06-15 2,963 6,095 -3,132 1.00
    2026-05-29 6,095 2,748 +3,347 1.00
    2026-05-15 2,748 17,794 -15,046 1.00
    2026-04-30 17,794 2,928 +14,866 2.11
    2026-04-15 2,928 2,891 +37 1.00
    2026-03-31 2,891 2,720 +171 1.00
    2026-03-13 2,720 2,102 +618 1.00
    2026-02-27 2,102 2,100 +2 1.00
    2026-02-13 2,100 2,909 -809 1.00
    2026-01-30 2,909 2,131 +778 1.00
    2026-01-15 2,131 1,975 +156 1.00
    2025-12-31 1,975 4,879 -2,904 1.00
    2025-12-15 4,879 3,137 +1,742 2.53
    2025-11-28 3,137 7,694 -4,557 1.00
    2025-11-14 7,694 11,774 -4,080 1.00

    Full FINRA short interest reporting calendar

    Showing 1–23 of 23 settlements