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ISTB · iShares Core 1-5 Year USD Bond ETF · Short Interest ETF

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$47.35 +0.05 (+0.11%)
Volume · Oct 20 1.1M Avg daily vol (3M) 558.82K

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 →

ISTB Latest Reported Short Interest

FINRA reported 109,411 ISTB shares sold short as of the September 30, 2026 settlement date, a decrease of 30,784 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
    		 — — — —
    2026-09-30 109,411 140,195 -30,784 1.00
    2026-09-15 140,195 601,181 -460,986 1.00
    2026-08-31 601,181 159,137 +442,044 1.56
    2026-08-14 159,137 54,059 +105,078 1.00
    2026-07-31 54,059 282,889 -228,830 1.00
    2026-07-15 282,889 550,165 -267,276 1.00
    2026-06-30 550,165 99,193 +450,972 1.35
    2026-06-15 99,193 411,262 -312,069 1.00
    2026-05-29 411,262 43,365 +367,897 1.00
    2026-05-15 43,365 18,864 +24,501 1.00
    2026-04-30 18,864 88,571 -69,707 1.00
    2026-04-15 88,571 40,676 +47,895 1.00
    2026-03-31 40,676 67,326 -26,650 1.00
    2026-03-13 67,326 38,343 +28,983 1.00
    2026-02-27 38,343 110,237 -71,894 1.00
    2026-02-13 110,237 130,461 -20,224 1.00
    2026-01-30 130,461 210,176 -79,715 1.00
    2026-01-15 210,176 81,159 +129,017 1.00
    2025-12-31 81,159 14,873 +66,286 1.00
    2025-12-15 14,873 61,067 -46,194 1.00
    2025-11-28 61,067 174,444 -113,377 1.00
    2025-11-14 174,444 205,472 -31,028 1.00
    2025-10-31 205,472 189,479 +15,993 1.00

    Full FINRA short interest reporting calendar

    Showing 1–23 of 23 settlements