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VMBS · VANGUARD MORTGAGE-BACKED SECURITIES INDEX FUND · Short Volume ETF

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$44.87 +0.08 (+0.18%) At close · Oct 20
Volume · Oct 20 2.44M Avg daily vol (3M) 1.95M

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 %
    2026-10-20 1,169,934 0 1,571,201 74.5%
    2026-10-19 546,711 0 1,497,261 36.5%
    2026-10-16 943,934 11,300 1,363,130 69.2%
    2026-10-15 1,012,673 5,277 1,354,551 74.8%
    2026-10-14 1,281,415 560 1,745,264 73.4%
    2026-10-13 1,372,733 0 1,849,155 74.2%
    2026-10-12 798,885 0 1,395,233 57.3%
    2026-10-09 538,375 0 1,173,301 45.9%
    2026-10-08 720,207 10,444 1,228,385 58.6%
    2026-10-07 787,093 0 1,378,122 57.1%
    2026-10-06 684,050 0 1,933,222 35.4%
    2026-10-05 1,213,452 101 2,166,153 56.0%
    2026-10-02 974,692 0 1,641,839 59.4%
    2026-10-01 1,238,654 258 3,050,296 40.6%
    2026-09-30 1,468,460 0 2,343,131 62.7%
    2026-09-29 1,054,586 0 2,933,451 36.0%
    2026-09-28 837,716 3,300 1,533,148 54.6%
    2026-09-25 1,268,057 30,606 2,688,967 47.2%
    2026-09-24 771,258 0 1,477,132 52.2%
    2026-09-23 881,967 3,288 1,512,130 58.3%
    2026-09-22 1,371,852 116 3,022,546 45.4%
    2026-09-21 1,810,448 0 2,132,793 84.9%
    2026-09-18 616,887 7,336 939,445 65.7%
    2026-09-17 785,465 1,711 1,019,113 77.1%
    2026-09-16 858,693 211 1,213,491 70.8%
    2026-09-15 615,637 0 956,156 64.4%
    2026-09-14 793,301 2,431 1,376,683 57.6%
    2026-09-11 933,008 1,469 1,231,249 75.8%
    2026-09-10 850,067 7,667 1,144,462 74.3%
    2026-09-09 334,257 182 534,990 62.5%
    2026-09-08 411,167 168 692,468 59.4%
    2026-09-04 353,280 0 565,572 62.5%
    2026-09-03 624,259 0 871,000 71.7%
    2026-09-02 555,160 75 776,723 71.5%
    2026-09-01 584,939 138 862,730 67.8%
    2026-08-31 295,130 40 538,770 54.8%
    2026-08-28 507,724 4,167 722,590 70.3%
    2026-08-27 675,463 1,400 960,974 70.3%
    2026-08-26 505,641 1,238 747,162 67.7%
    2026-08-25 411,642 1,510 691,222 59.6%
    2026-08-24 376,234 484 572,915 65.7%
    2026-08-21 349,275 212 566,767 61.6%
    2026-08-20 2,407,806 0 2,636,941 91.3%
    2026-08-19 1,302,196 1,016 1,520,810 85.6%
    2026-08-18 425,521 53 631,624 67.4%
    2026-08-17 471,810 2,481 661,857 71.3%
    2026-08-14 389,969 1,361 545,749 71.5%
    2026-08-13 347,331 1 556,686 62.4%
    2026-08-12 310,772 0 555,249 56.0%
    2026-08-11 304,723 2 522,634 58.3%
    Showing 1–50 of 65 days