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OBIL · US Treasury 12 Month Bill ETF · Short Interest ETF

Alerts for OBIL

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$49.96 +0.00 (+0.00%) At close · Oct 20
Volume · Oct 20 55.47K Avg daily vol (3M) 51.34K

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 →

OBIL Latest Reported Short Interest

FINRA reported 24,006 OBIL shares sold short as of the September 30, 2026 settlement date, a decrease of 52,178 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 24,006 76,184 -52,178 1.00
    2026-09-15 76,184 69,405 +6,779 2.11
    2026-08-31 69,405 25,676 +43,729 1.85
    2026-08-14 25,676 20,595 +5,081 1.00
    2026-07-31 20,595 26,770 -6,175 1.00
    2026-07-15 26,770 10,980 +15,790 1.00
    2026-06-30 10,980 32,143 -21,163 1.00
    2026-06-15 32,143 32,295 -152 1.00
    2026-05-29 32,295 39,925 -7,630 1.00
    2026-05-15 39,925 40,192 -267 1.15
    2026-04-30 40,192 20,041 +20,151 1.05
    2026-04-15 20,041 21,092 -1,051 1.00
    2026-03-31 21,092 19,441 +1,651 1.00
    2026-03-13 19,441 34,557 -15,116 1.00
    2026-02-27 34,557 20,135 +14,422 1.00
    2026-02-13 20,135 8,552 +11,583 1.00
    2026-01-30 8,552 70,525 -61,973 1.00
    2026-01-15 70,525 9,515 +61,010 1.60
    2025-12-31 9,515 314 +9,201 1.00
    2025-12-15 314 23,230 -22,916 1.00
    2025-11-28 23,230 12,597 +10,633 1.00
    2025-11-14 12,597 19,189 -6,592 1.00
    2025-10-31 19,189 4,172 +15,017 1.00

    Full FINRA short interest reporting calendar

    Showing 1–23 of 23 settlements