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MUB · iShares National Muni Bond ETF · Short Volume ETF

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$102.46 +0.12 (+0.11%)
Volume · Oct 20 4.91M Avg daily vol (3M) 10.78M

Daily short-sale volume published by FINRA from its trade-reporting facilities. It measures how many shares were sold short each day as a share of total volume — a daily flow, not the total outstanding short position.

Pull daily short volume through the short interest API or MCP →
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    • Short Volume

    Date Short Volume Short Exempt Total Volume Short %
    2026-10-19 3,778,369 20,389 8,457,139 44.7%
    2026-10-16 7,838,941 15,375 11,015,812 71.2%
    2026-10-15 6,752,715 16,828 10,284,062 65.7%
    2026-10-14 7,619,007 22,531 11,111,079 68.6%
    2026-10-13 8,689,316 14,450 16,464,337 52.8%
    2026-10-12 3,116,753 10,435 7,887,336 39.5%
    2026-10-09 9,571,508 10,428 14,566,855 65.7%
    2026-10-08 10,135,295 24,440 15,990,884 63.4%
    2026-10-07 10,744,292 43,686 14,950,542 71.9%
    2026-10-06 5,717,357 28,313 9,608,369 59.5%
    2026-10-05 6,718,111 51,781 12,800,688 52.5%
    2026-10-02 8,190,901 7,329 13,527,694 60.5%
    2026-10-01 6,842,438 18,808 11,417,341 59.9%
    2026-09-30 7,561,444 12,380 12,818,294 59.0%
    2026-09-29 7,802,358 109,260 15,295,770 51.0%
    2026-09-28 7,558,805 78,889 15,556,462 48.6%
    2026-09-25 5,201,583 69,002 10,485,826 49.6%
    2026-09-24 5,386,373 28,886 10,343,584 52.1%
    2026-09-23 5,701,339 19,283 8,389,803 68.0%
    2026-09-22 9,710,902 13,041 15,022,151 64.6%
    2026-09-21 3,027,480 5,233 5,668,059 53.4%
    2026-09-18 3,689,689 9,706 5,551,260 66.5%
    2026-09-17 3,978,782 33,744 6,915,688 57.5%
    2026-09-16 6,990,298 13,132 9,356,657 74.7%
    2026-09-15 5,549,493 1,777 8,051,901 68.9%
    2026-09-14 4,207,321 1,612 7,204,491 58.4%
    2026-09-11 6,332,591 6,403 10,733,238 59.0%
    2026-09-10 7,533,818 28,904 14,728,021 51.2%
    2026-09-09 4,180,480 1,256 9,934,293 42.1%
    2026-09-08 1,372,040 3,089 5,733,343 23.9%
    2026-09-04 1,299,478 3,040 5,675,897 22.9%
    2026-09-03 3,087,677 5,333 5,560,990 55.5%
    2026-09-02 2,594,081 6,195 5,734,775 45.2%
    2026-09-01 5,177,602 8,751 7,391,349 70.0%
    2026-08-31 1,506,142 9,941 2,830,787 53.2%
    2026-08-28 1,423,812 6,255 2,191,727 65.0%
    2026-08-27 1,619,667 0 2,472,205 65.5%
    2026-08-26 950,134 7,532 1,619,584 58.7%
    2026-08-25 1,201,553 1,246 2,451,659 49.0%
    2026-08-24 1,410,138 87 3,319,767 42.5%
    2026-08-21 1,368,937 380 2,827,013 48.4%
    2026-08-20 2,413,567 9,877 3,540,021 68.2%
    2026-08-19 1,404,254 0 3,382,049 41.5%
    2026-08-18 2,469,658 8,567 4,250,776 58.1%
    2026-08-17 2,223,333 181 3,590,904 61.9%
    2026-08-14 966,161 1,006 2,092,326 46.2%
    2026-08-13 904,288 4,914 2,011,127 45.0%
    2026-08-12 1,647,288 564 3,196,511 51.5%
    2026-08-11 986,965 0 2,360,255 41.8%
    2026-08-10 1,085,925 2,341 2,653,042 40.9%
    Showing 1–50 of 65 days