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PFE · Pfizer Inc · Short Volume

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$28.59 -0.13 (-0.45%) At close · Sep 30
S&P 500 member Russell 1000 member Rebalance outlook locked
Market Cap
$163.41B
Shares
5.70B
Volume · Sep 30 33.65M Avg daily vol (3M) 37.77M

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 6,634,588 6,650 12,108,173 54.8%
    2026-09-29 5,590,799 4,193 13,914,261 40.2%
    2026-09-28 4,049,571 27,682 10,377,961 39.0%
    2026-09-25 4,555,471 20,361 10,333,723 44.1%
    2026-09-24 5,905,892 19,676 15,328,533 38.5%
    2026-09-23 6,274,128 22,754 15,046,403 41.7%
    2026-09-22 5,605,194 22,325 12,082,187 46.4%
    2026-09-21 4,036,476 19,795 11,326,147 35.6%
    2026-09-18 4,263,987 3,315 9,212,037 46.3%
    2026-09-17 5,089,597 22,873 10,840,256 47.0%
    2026-09-16 3,925,885 10,942 10,163,377 38.6%
    2026-09-15 3,841,972 33,554 13,368,264 28.7%
    2026-09-14 5,374,326 18,688 11,909,533 45.1%
    2026-09-11 6,269,540 24,723 12,386,307 50.6%
    2026-09-10 6,240,044 46,966 12,618,940 49.4%
    2026-09-09 5,797,349 11,690 12,715,543 45.6%
    2026-09-08 7,472,922 25,659 14,619,865 51.1%
    2026-09-04 3,881,520 25,969 8,892,288 43.7%
    2026-09-03 4,846,322 42,453 11,362,989 42.7%
    2026-09-02 7,165,813 42,989 15,383,815 46.6%
    2026-09-01 6,458,985 22,588 16,524,366 39.1%
    2026-08-31 5,303,013 7,657 16,331,229 32.5%
    2026-08-28 3,280,868 15,744 9,439,839 34.8%
    2026-08-27 4,080,305 38,050 10,598,254 38.5%
    2026-08-26 5,846,456 4,230 15,276,697 38.3%
    2026-08-25 4,623,569 33,355 13,065,199 35.4%
    2026-08-24 2,545,977 1,559 9,429,492 27.0%
    2026-08-21 7,963,806 37,767 17,008,935 46.8%
    2026-08-20 3,474,004 62,529 11,414,283 30.4%
    2026-08-19 5,983,248 94,006 25,406,604 23.5%
    2026-08-18 4,808,030 13,168 13,375,578 35.9%
    2026-08-17 5,351,808 22,111 14,876,971 36.0%
    2026-08-14 5,192,493 27,539 11,316,139 45.9%
    2026-08-13 8,245,310 18,844 18,341,607 45.0%
    2026-08-12 7,513,212 29,614 17,385,087 43.2%
    2026-08-11 8,367,368 20,534 17,739,811 47.2%
    2026-08-10 8,533,858 21,583 24,331,298 35.1%
    2026-08-07 6,731,473 38,949 18,359,665 36.7%
    2026-08-06 10,154,377 17,592 24,363,543 41.7%
    2026-08-05 6,705,598 20,733 17,316,345 38.7%
    2026-08-04 13,780,275 92,488 27,376,254 50.3%
    2026-08-03 8,235,571 24,789 17,652,677 46.7%
    2026-07-31 5,724,299 46,783 15,790,215 36.3%
    2026-07-30 6,082,406 33,760 21,141,879 28.8%
    2026-07-29 5,751,022 24,554 14,057,250 40.9%
    2026-07-28 7,045,185 95,711 20,293,806 34.7%
    2026-07-27 5,756,086 35,011 16,100,019 35.8%
    2026-07-24 5,315,124 22,141 13,444,562 39.5%
    2026-07-23 7,007,638 20,007 15,228,963 46.0%
    2026-07-22 7,299,892 11,817 15,593,717 46.8%
    Showing 1–50 of 64 days
    Key facts CIK 78003 CUSIP 717081103 13F (30d) 85 filings 33 filers Visit website Investor relations