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PRTA · Prothena Corp Public Ltd Co · Short Volume

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$8.16 -0.07 (-0.85%) At close · Nov 13 Play latest call Q4 2025 earnings call transcript
Russell 2000 member Rebalance outlook locked
Market Cap
$419.01M
Shares
51.35M
Volume · Nov 13 340.75K Avg daily vol (3M) 464.03K

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.

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    • Short Volume

    Date Short Volume Short Exempt Total Volume Short %
    2026-11-13 82,164 1 126,084 65.2%
    2026-11-12 52,112 121 84,299 61.8%
    2026-11-11 76,398 0 150,441 50.8%
    2026-11-10 66,620 623 128,073 52.0%
    2026-11-09 252,117 0 304,461 82.8%
    2026-11-06 100,559 0 152,747 65.8%
    2026-11-05 92,071 0 146,878 62.7%
    2026-11-04 60,549 200 93,426 64.8%
    2026-11-03 50,703 0 86,170 58.8%
    2026-11-02 108,289 0 155,696 69.6%
    2026-10-30 87,096 0 116,236 74.9%
    2026-10-29 54,466 0 82,852 65.7%
    2026-10-28 124,426 0 261,911 47.5%
    2026-10-27 90,409 0 176,599 51.2%
    2026-10-26 207,724 0 296,068 70.2%
    2026-10-23 119,451 8 170,876 69.9%
    2026-10-22 145,436 1,700 182,058 79.9%
    2026-10-21 116,504 0 171,265 68.0%
    2026-10-20 97,529 0 158,951 61.4%
    2026-10-19 71,576 0 118,511 60.4%
    2026-10-16 72,535 0 165,305 43.9%
    2026-10-15 50,172 0 87,669 57.2%
    2026-10-14 110,642 0 195,209 56.7%
    2026-10-13 203,604 0 273,161 74.5%
    2026-10-12 85,590 0 175,743 48.7%
    2026-10-09 160,249 0 360,583 44.4%
    2026-10-08 201,787 0 278,939 72.3%
    2026-10-07 227,825 1,019 286,646 79.5%
    2026-10-06 111,811 0 164,357 68.0%
    2026-10-05 157,614 1,900 238,459 66.1%
    2026-10-02 185,995 0 261,450 71.1%
    2026-10-01 89,742 0 151,812 59.1%
    2026-09-30 108,530 0 200,607 54.1%
    2026-09-29 215,374 0 269,951 79.8%
    2026-09-28 174,199 0 219,422 79.4%
    2026-09-25 105,215 0 149,590 70.3%
    2026-09-24 123,420 0 164,781 74.9%
    2026-09-23 97,983 0 122,703 79.9%
    2026-09-22 69,105 0 114,804 60.2%
    2026-09-21 69,944 1,796 130,589 53.6%
    2026-09-18 186,247 402 231,744 80.4%
    2026-09-17 99,659 0 134,477 74.1%
    2026-09-16 97,894 44 157,795 62.0%
    2026-09-15 72,453 0 95,487 75.9%
    2026-09-14 70,245 0 103,920 67.6%
    2026-09-11 72,360 0 157,840 45.8%
    2026-09-10 53,342 0 72,023 74.1%
    2026-09-09 53,389 0 66,423 80.4%
    2026-09-08 44,950 0 74,105 60.7%
    2026-09-04 65,596 0 114,820 57.1%
    Showing 1–50 of 64 days
    Key facts CIK 1559053 CUSIP G72800108 13F (30d) 149 filings 122 filers Visit website Investor relations