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BIL · State Street(R) SPDR(R) Bloomberg 1-3 Month T-Bill ETF · Short Interest ETF

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$91.57 +0.00 (+0.00%) At close · Oct 19
Volume · Oct 19 12.06M Avg daily vol (3M) 9.99M

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 →

BIL Latest Reported Short Interest

FINRA reported 13,042,642 BIL shares sold short as of the September 30, 2026 settlement date, an increase of 2,630,839 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 13,042,642 10,411,803 +2,630,839 1.00
    2026-09-15 10,411,803 8,833,525 +1,578,278 1.04
    2026-08-31 8,833,525 9,396,860 -563,335 1.10
    2026-08-14 9,396,860 8,166,261 +1,230,599 1.00
    2026-07-31 8,166,261 8,884,051 -717,790 1.00
    2026-07-15 8,884,051 10,723,875 -1,839,824 1.00
    2026-06-30 10,723,875 7,927,231 +2,796,644 1.06
    2026-06-15 7,927,231 9,528,247 -1,601,016 1.00
    2026-05-29 9,528,247 8,464,353 +1,063,894 1.00
    2026-05-15 8,464,353 7,619,901 +844,452 1.00
    2026-04-30 7,619,901 6,939,924 +679,977 1.00
    2026-04-15 6,939,924 9,511,213 -2,571,289 1.00
    2026-03-31 9,511,213 7,904,960 +1,606,253 1.00
    2026-03-13 7,904,960 7,943,050 -38,090 1.00
    2026-02-27 7,943,050 7,016,351 +926,699 1.12
    2026-02-13 7,016,351 6,416,112 +600,239 1.00
    2026-01-30 6,416,112 4,055,219 +2,360,893 1.00
    2026-01-15 4,055,219 1,940,422 +2,114,797 1.00
    2025-12-31 1,940,422 4,194,833 -2,254,411 1.00
    2025-12-15 4,194,833 2,876,962 +1,317,871 1.00
    2025-11-28 2,876,962 2,817,137 +59,825 1.00
    2025-11-14 2,817,137 2,783,821 +33,316 1.00
    2025-10-31 2,783,821 2,937,409 -153,588 1.00

    Full FINRA short interest reporting calendar

    Showing 1–23 of 23 settlements