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SPTB · State Street(R) SPDR(R) Portfolio Treasury ETF · Short Interest ETF

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$29.26 -0.04 (-0.12%) At close · Oct 23
Volume · Oct 23 32.77K Avg daily vol (3M) 165.55K

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 →

SPTB Latest Reported Short Interest

FINRA reported 10,611 SPTB shares sold short as of the September 30, 2026 settlement date, an increase of 6,186 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 10,611 4,425 +6,186 1.00
    2026-09-15 4,425 23,279 -18,854 1.00
    2026-08-31 23,279 123,448 -100,169 1.00
    2026-08-14 123,448 44,714 +78,734 1.07
    2026-07-31 44,714 52,602 -7,888 1.57
    2026-07-15 52,602 35,715 +16,887 2.48
    2026-06-30 35,715 32,111 +3,604 1.00
    2026-06-15 32,111 66,603 -34,492 1.00
    2026-05-29 66,603 57,884 +8,719 2.02
    2026-05-15 57,884 30,367 +27,517 1.00
    2026-04-30 30,367 352,385 -322,018 1.07
    2026-04-15 352,385 340,550 +11,835 17.97
    2026-03-31 340,550 18,160 +322,390 1.14
    2026-03-13 18,160 60,008 -41,848 1.00
    2026-02-27 60,008 7,295 +52,713 1.66
    2026-02-13 7,295 21,898 -14,603 1.00
    2026-01-30 21,898 3,126 +18,772 1.21
    2026-01-15 3,126 4,971 -1,845 1.00
    2025-12-31 4,971 1,395 +3,576 1.00
    2025-12-15 1,395 15,978 -14,583 1.00
    2025-11-28 15,978 13,340 +2,638 1.00
    2025-11-14 13,340 22,604 -9,264 1.00
    2025-10-31 22,604 24,778 -2,174 1.57

    Full FINRA short interest reporting calendar

    Showing 1–23 of 23 settlements