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OSIS · Osi Systems Inc · Short Volume

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$194.37 +2.07 (+1.08%) At close · Sep 30
S&P 600 member Russell 2000 member Rebalance outlook locked
Market Cap
$3.14B
Shares
15.94M
Volume · Sep 30 208.34K Avg daily vol (3M) 234.56K

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 %
    2026-09-30 48,485 0 88,558 54.7%
    2026-09-29 31,347 357 53,258 58.9%
    2026-09-28 21,891 0 36,468 60.0%
    2026-09-25 40,789 30 80,388 50.7%
    2026-09-24 33,752 175 50,112 67.4%
    2026-09-23 39,011 3,679 68,771 56.7%
    2026-09-22 63,400 135 80,320 78.9%
    2026-09-21 35,139 7 60,002 58.6%
    2026-09-18 44,719 1 63,789 70.1%
    2026-09-17 54,060 1,377 97,157 55.6%
    2026-09-16 67,716 1,920 121,918 55.5%
    2026-09-15 53,654 0 78,475 68.4%
    2026-09-14 56,400 157 84,266 66.9%
    2026-09-11 56,969 0 111,203 51.2%
    2026-09-10 56,439 0 124,690 45.3%
    2026-09-09 71,992 8,941 117,887 61.1%
    2026-09-08 62,314 0 131,839 47.3%
    2026-09-04 33,058 80 81,326 40.6%
    2026-09-03 66,689 3,737 120,159 55.5%
    2026-09-02 36,190 0 75,427 48.0%
    2026-09-01 41,907 0 73,291 57.2%
    2026-08-31 54,707 9,610 94,453 57.9%
    2026-08-28 47,364 451 95,167 49.8%
    2026-08-27 94,958 0 154,791 61.3%
    2026-08-26 112,833 0 172,805 65.3%
    2026-08-25 93,986 0 249,466 37.7%
    2026-08-24 108,208 6,836 426,717 25.4%
    2026-08-21 259,115 14,660 611,790 42.4%
    2026-08-20 76,952 0 104,180 73.9%
    2026-08-19 45,087 97 68,654 65.7%
    2026-08-18 34,255 0 58,005 59.1%
    2026-08-17 36,352 0 50,217 72.4%
    2026-08-14 35,200 0 61,520 57.2%
    2026-08-13 29,082 1,410 56,560 51.4%
    2026-08-12 42,239 0 64,363 65.6%
    2026-08-11 45,608 19,512 80,435 56.7%
    2026-08-10 24,834 0 92,896 26.7%
    2026-08-07 19,846 222 35,124 56.5%
    2026-08-06 16,932 0 27,595 61.4%
    2026-08-05 26,785 0 60,560 44.2%
    2026-08-04 37,923 0 60,379 62.8%
    2026-08-03 88,927 0 116,621 76.3%
    2026-07-31 32,435 0 68,480 47.4%
    2026-07-30 24,524 420 42,825 57.3%
    2026-07-29 36,526 0 54,429 67.1%
    2026-07-28 44,702 9 62,349 71.7%
    2026-07-27 29,477 0 51,078 57.7%
    2026-07-24 43,316 0 64,431 67.2%
    2026-07-23 27,872 0 76,936 36.2%
    2026-07-22 21,113 156 52,523 40.2%
    Showing 1–50 of 64 days
    Key facts CIK 1039065 CUSIP 671044105 13F (30d) 11 filings 11 filers Visit website Investor relations