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SPMB · State Street(R) SPDR(R) Portfolio Mortgage Backed Bond ETF ETF

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$21.87 +0.01 (+0.05%) At close · Sep 4

Shares sold short and not yet covered, reported twice monthly. Days to cover is the reported short position divided by average daily volume.

SPMB Latest Reported Short Interest

FINRA reported 384,061 SPMB shares sold short as of the August 14, 2026 settlement date, a decrease of 511,808 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

1M 3M 6M 1Y 5Y All
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    • Short Interest History

    Settlement Date Current Position Previous Position Change Days to Cover
    2026-09-15 Scheduled
    FINRA publishes Sep 24
    		 — — — —
    2026-08-31 Scheduled
    FINRA publishes Sep 10
    		 — — — —
    2026-08-14 384,061 895,869 -511,808 1.00
    2026-07-31 895,869 248,013 +647,856 1.00
    2026-07-15 248,013 499,297 -251,284 1.00
    2026-06-30 499,297 219,590 +279,707 1.00
    2026-06-15 219,590 622,852 -403,262 1.00
    2026-05-29 622,852 613,688 +9,164 1.00
    2026-05-15 613,688 844,136 -230,448 1.00
    2026-04-30 844,136 1,144,020 -299,884 1.00
    2026-04-15 1,144,020 451,507 +692,513 1.47
    2026-03-31 451,507 675,935 -224,428 1.00
    2026-03-13 675,935 568,323 +107,612 1.00
    2026-02-27 568,323 239,312 +329,011 1.00
    2026-02-13 239,312 464,560 -225,248 1.00
    2026-01-30 464,560 602,464 -137,904 1.00
    2026-01-15 602,464 491,759 +110,705 1.00
    2025-12-31 491,759 808,661 -316,902 1.00
    2025-12-15 808,661 737,945 +70,716 1.17
    2025-11-28 737,945 607,555 +130,390 1.00
    2025-11-14 607,555 928,567 -321,012 1.00
    2025-10-31 928,567 438,699 +489,868 1.00
    2025-10-15 438,699 53,437 +385,262 1.00
    2025-09-30 53,437 1,067,505 -1,014,068 1.00
    2025-09-15 1,067,505 642,312 +425,193 1.41

    Full FINRA short interest reporting calendar

    Showing 1–23 of 23 settlements