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PHAT · Phathom Pharmaceuticals, Inc. · Short Volume

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$6.28 +0.29 (+4.84%) At close · Oct 28 Earnings today Q2 2026 earnings call transcript
Russell 2000 member Rebalance outlook locked
Market Cap
$484.60M
Shares
80.90M
Volume · Oct 28 2.08M Avg daily vol (3M) 1.51M

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 %
    2026-10-28 408,543 0 871,510 46.9%
    2026-10-27 306,417 5,604 753,380 40.7%
    2026-10-26 589,419 34,417 823,625 71.6%
    2026-10-23 1,167,770 79,861 2,316,975 50.4%
    2026-10-22 149,704 811 261,390 57.3%
    2026-10-21 171,331 6 229,070 74.8%
    2026-10-20 138,067 0 213,547 64.7%
    2026-10-19 263,120 0 390,227 67.4%
    2026-10-16 279,494 0 434,353 64.3%
    2026-10-15 218,158 0 379,554 57.5%
    2026-10-14 292,748 352 574,367 51.0%
    2026-10-13 531,885 0 788,216 67.5%
    2026-10-12 143,301 2,497 236,609 60.6%
    2026-10-09 121,648 55 195,993 62.1%
    2026-10-08 146,288 31 247,573 59.1%
    2026-10-07 271,352 3,520 529,482 51.2%
    2026-10-06 325,884 2,390 804,450 40.5%
    2026-10-05 212,383 2,484 460,959 46.1%
    2026-10-02 278,029 11 721,890 38.5%
    2026-10-01 280,790 0 379,465 74.0%
    2026-09-30 134,516 181 188,068 71.5%
    2026-09-29 117,502 0 193,231 60.8%
    2026-09-28 362,516 1,000 479,568 75.6%
    2026-09-25 424,612 24,766 643,816 66.0%
    2026-09-24 265,838 7,538 403,787 65.8%
    2026-09-23 248,528 225 356,141 69.8%
    2026-09-22 418,381 30,578 803,858 52.0%
    2026-09-21 173,368 0 411,993 42.1%
    2026-09-18 190,964 3,707 323,081 59.1%
    2026-09-17 308,235 3,800 553,316 55.7%
    2026-09-16 419,690 1,000 963,912 43.5%
    2026-09-15 230,551 0 593,727 38.8%
    2026-09-14 234,969 0 501,978 46.8%
    2026-09-11 300,689 10,141 604,920 49.7%
    2026-09-10 291,142 0 414,520 70.2%
    2026-09-09 390,031 10 467,934 83.4%
    2026-09-08 187,427 1,718 283,249 66.2%
    2026-09-04 123,921 105 523,443 23.7%
    2026-09-03 213,040 1,101 296,390 71.9%
    2026-09-02 223,027 5 362,548 61.5%
    2026-09-01 174,727 5,030 293,152 59.6%
    2026-08-31 207,074 0 350,435 59.1%
    2026-08-28 172,026 1,211 311,563 55.2%
    2026-08-27 235,380 144 498,595 47.2%
    2026-08-26 157,443 0 319,612 49.3%
    2026-08-25 116,298 0 313,261 37.1%
    2026-08-24 169,386 621 443,837 38.2%
    2026-08-21 170,938 0 371,145 46.1%
    2026-08-20 389,982 87 666,896 58.5%
    2026-08-19 87,066 0 334,422 26.0%
    Showing 1–50 of 65 days
    Key facts CIK 1783183 CUSIP 71722W107 13F (30d) 20 filings 20 filers Visit website Investor relations