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SPY · Short Interest ETF

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$780.00 +5.17 (+0.67%)
Volume · Oct 6 36.2M Avg daily vol (3M) 44.22M

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 →

SPY Latest Reported Short Interest

FINRA reported 99,297,854 SPY shares sold short as of the September 15, 2026 settlement date, an increase of 17,577,890 shares. Days to cover was 2.46 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
    2026-10-15 Scheduled
    FINRA publishes Oct 26
    		 — — — —
    2026-09-30 Scheduled
    FINRA publishes Oct 9
    		 — — — —
    2026-09-15 99,297,854 81,719,964 +17,577,890 2.46
    2026-08-31 81,719,964 92,190,734 -10,470,770 2.24
    2026-08-14 92,190,734 94,367,939 -2,177,205 2.13
    2026-07-31 94,367,939 96,827,747 -2,459,808 1.84
    2026-07-15 96,827,747 109,815,483 -12,987,736 2.15
    2026-06-30 109,815,483 102,343,601 +7,471,882 1.71
    2026-06-15 102,343,601 107,433,983 -5,090,382 1.68
    2026-05-29 107,433,983 109,192,514 -1,758,531 2.34
    2026-05-15 109,192,514 119,797,329 -10,604,815 2.26
    2026-04-30 119,797,329 125,003,596 -5,206,267 2.39
    2026-04-15 125,003,596 133,961,230 -8,957,634 1.94
    2026-03-31 133,961,230 117,848,132 +16,113,098 1.24
    2026-03-13 117,848,132 102,395,225 +15,452,907 1.26
    2026-02-27 102,395,225 120,648,942 -18,253,717 1.34
    2026-02-13 120,648,942 109,516,152 +11,132,790 1.30
    2026-01-30 109,516,152 107,394,148 +2,122,004 1.31
    2026-01-15 107,394,148 100,831,310 +6,562,838 1.40
    2025-12-31 100,831,310 113,484,446 -12,653,136 1.31
    2025-12-15 113,484,446 111,561,040 +1,923,406 1.54
    2025-11-28 111,561,040 118,178,899 -6,617,859 1.15
    2025-11-14 118,178,899 108,765,577 +9,413,322 1.49
    2025-10-31 108,765,577 97,853,277 +10,912,300 1.42
    2025-10-15 97,853,277 114,193,765 -16,340,488 1.25

    Full FINRA short interest reporting calendar

    Showing 1–23 of 23 settlements