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SDS · ProShares UltraShort S&P500 · Short Interest ETF

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$53.31 -0.56 (-1.04%) At close · Oct 21
Volume · Oct 21 5.59M Avg daily vol (3M) 3.01M

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 →

SDS Latest Reported Short Interest

FINRA reported 623,254 SDS shares sold short as of the September 30, 2026 settlement date, a decrease of 66,279 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
    		 — — — —
    2026-09-30 623,254 689,533 -66,279 1.00
    2026-09-15 689,533 730,234 -40,701 1.00
    2026-08-31 730,234 305,431 +424,803 1.00
    2026-08-14 305,431 405,144 -99,713 1.00
    2026-07-31 405,144 427,551 -22,407 1.00
    2026-07-15 427,551 281,359 +146,192 1.00
    2026-06-30 281,359 379,514 -98,155 1.00
    2026-06-15 379,514 378,026 +1,488 1.00
    2026-05-29 378,026 558,519 -180,493 1.00
    2026-05-15 558,519 367,944 +190,575 1.00
    2026-04-30 367,944 361,106 +6,838 1.00
    2026-04-15 361,106 473,151 -112,045 1.00
    2026-03-31 473,151 541,501 -68,350 1.00
    2026-03-13 541,501 418,105 +123,396 1.00
    2026-02-27 418,105 415,753 +2,352 1.00
    2026-02-13 415,753 361,966 +53,787 1.00
    2026-01-30 361,966 304,660 +57,306 1.00
    2026-01-15 304,660 356,844 -52,184 1.00
    2025-12-31 356,844 302,496 +54,348 1.00
    2025-12-15 302,496 368,425 -65,929 1.00
    2025-11-28 368,425 103,320 +265,105 1.00
    2025-11-14 103,320 446,584 -343,264 1.00
    2025-10-31 446,584 386,608 +59,976 1.00

    Full FINRA short interest reporting calendar

    Showing 1–23 of 23 settlements