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FNX · First Trust Mid Cap Core AlphaDEX Fund · Short Interest ETF

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$138.60 +1.87 (+1.37%) At close · Oct 20
Volume · Oct 20 18.18K Avg daily vol (3M) 10.92K

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 →

FNX Latest Reported Short Interest

FINRA reported 19,846 FNX shares sold short as of the September 30, 2026 settlement date, a decrease of 1,106 shares. Days to cover was 1.54 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 19,846 20,952 -1,106 1.54
    2026-09-15 20,952 18,219 +2,733 2.68
    2026-08-31 18,219 22,185 -3,966 2.21
    2026-08-14 22,185 29,161 -6,976 1.91
    2026-07-31 29,161 16,102 +13,059 2.67
    2026-07-15 16,102 10,900 +5,202 1.00
    2026-06-30 10,900 22,383 -11,483 1.00
    2026-06-15 22,383 39,743 -17,360 1.29
    2026-05-29 39,743 35,941 +3,802 2.24
    2026-05-15 35,941 9,909 +26,032 1.90
    2026-04-30 9,909 8,113 +1,796 1.00
    2026-04-15 8,113 2,820 +5,293 1.00
    2026-03-31 2,820 36,701 -33,881 1.00
    2026-03-13 36,701 21,775 +14,926 1.15
    2026-02-27 21,775 19,865 +1,910 1.00
    2026-02-13 19,865 19,143 +722 1.00
    2026-01-30 19,143 10,180 +8,963 1.00
    2026-01-15 10,180 6,334 +3,846 1.00
    2025-12-31 6,334 2,611 +3,723 1.00
    2025-12-15 2,611 8,631 -6,020 1.00
    2025-11-28 8,631 8,843 -212 1.00
    2025-11-14 8,843 15,358 -6,515 1.00
    2025-10-31 15,358 21,057 -5,699 1.08

    Full FINRA short interest reporting calendar

    Showing 1–23 of 23 settlements