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SPTU · State Street SPDR Portfolio Ultra Short T-Bill ETF · Short Interest ETF

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$25.06 +0.01 (+0.02%) At close · Oct 21
Volume · Oct 21 2104 Avg daily vol (3M) 4187

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 →

SPTU Latest Reported Short Interest

FINRA reported 51,030 SPTU shares sold short as of the September 30, 2026 settlement date, an increase of 19,051 shares. Days to cover was 10.15 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 51,030 31,979 +19,051 10.15
    2026-09-15 31,979 27,830 +4,149 7.75
    2026-08-31 27,830 16,451 +11,379 10.00
    2026-08-14 16,451 12,299 +4,152 4.45
    2026-07-31 12,299 14,536 -2,237 11.95
    2026-07-15 14,536 6,616 +7,920 4.78
    2026-06-30 6,616 5,930 +686 8.75
    2026-06-15 5,930 3,886 +2,044 1.90
    2026-05-29 3,886 2,984 +902 1.00
    2026-05-15 2,984 2,004 +980 2.20
    2026-04-30 2,004 1,446 +558 2.41
    2026-04-15 1,446 6,531 -5,085 1.00
    2026-03-31 6,531 10,106 -3,575 2.16
    2026-03-13 10,106 13,589 -3,483 1.00
    2026-02-27 13,589 6,285 +7,304 3.73
    2026-02-13 6,285 43,307 -37,022 1.00
    2026-01-30 43,307 14,874 +28,433 6.43
    2026-01-15 14,874 12,968 +1,906 5.79
    2025-12-31 12,968 7,934 +5,034 8.37
    2025-12-15 7,934 3,232 +4,702 8.84
    2025-11-28 3,232 1,604 +1,628 1.86
    2025-11-14 1,604 327 +1,277 1.00
    2025-10-31 327 100 +227 1.66

    Full FINRA short interest reporting calendar

    Showing 1–23 of 23 settlements