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SUB · iShares Short-Term National Muni Bond ETF · Short Interest ETF

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$105.31 +0.03 (+0.03%) At close · Oct 20
Volume · Oct 20 1.08M Avg daily vol (3M) 922.19K

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 →

SUB Latest Reported Short Interest

FINRA reported 572,025 SUB shares sold short as of the September 30, 2026 settlement date, an increase of 354,749 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
    		 — — — —
    2026-09-30 572,025 217,276 +354,749 1.00
    2026-09-15 217,276 122,894 +94,382 1.00
    2026-08-31 122,894 215,418 -92,524 1.00
    2026-08-14 215,418 105,363 +110,055 1.00
    2026-07-31 105,363 31,067 +74,296 1.00
    2026-07-15 31,067 50,675 -19,608 1.00
    2026-06-30 50,675 90,463 -39,788 1.00
    2026-06-15 90,463 86,417 +4,046 1.00
    2026-05-29 86,417 135,836 -49,419 1.00
    2026-05-15 135,836 317,954 -182,118 1.00
    2026-04-30 317,954 94,873 +223,081 1.00
    2026-04-15 94,873 261,086 -166,213 1.00
    2026-03-31 261,086 263,732 -2,646 1.00
    2026-03-13 263,732 147,032 +116,700 1.00
    2026-02-27 147,032 340,070 -193,038 1.00
    2026-02-13 340,070 178,572 +161,498 1.00
    2026-01-30 178,572 2,187,346 -2,008,774 1.00
    2026-01-15 2,187,346 287,494 +1,899,852 2.27
    2025-12-31 287,494 334,144 -46,650 1.00
    2025-12-15 334,144 285,844 +48,300 1.00
    2025-11-28 285,844 420,835 -134,991 1.00
    2025-11-14 420,835 68,919 +351,916 1.09
    2025-10-31 68,919 276,005 -207,086 1.00

    Full FINRA short interest reporting calendar

    Showing 1–23 of 23 settlements