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OPTT · Ocean Power Technologies, Inc. · Short Volume

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$0.11 -0.05 (-33.44%) At close · Sep 11
Rebalance outlook locked
Going-concern doubt — flagged Aug 19, 2026

Substantial doubt about the company's ability to continue as a going concern.

“Management believes the Company's current cash and cash equivalents may not be sufficient to fund its planned expenditures through twelve months from the filing date of the Form 10-K. These conditions raise substantial doubt about the Company's ability to continue as a going concern.”
View the 10-K filed Aug 19, 2026
Market Cap
$43.22M
Shares
270.14M

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 %
    2026-09-11 33,957,862 5,297,946 47,958,852 70.8%
    2026-09-10 1,141,954 140,250 1,796,183 63.6%
    2026-09-09 2,244,278 361,149 2,788,399 80.5%
    2026-09-08 4,401,304 516,869 6,674,184 65.9%
    2026-09-04 1,339,016 1,000 2,089,447 64.1%
    2026-09-03 3,863,495 2,680 8,630,624 44.8%
    2026-09-02 306,174 342 835,800 36.6%
    2026-09-01 565,328 78,995 1,276,585 44.3%
    2026-08-31 800,115 45,450 1,917,044 41.7%
    2026-08-28 2,057,626 4,000 3,322,883 61.9%
    2026-08-27 1,514,937 260,050 2,347,209 64.5%
    2026-08-26 2,369,795 191,265 3,557,639 66.6%
    2026-08-25 1,140,905 52,510 2,706,907 42.1%
    2026-08-24 1,983,880 100 2,943,309 67.4%
    2026-08-21 1,017,261 113,592 2,076,081 49.0%
    2026-08-20 2,590,777 302,481 3,887,385 66.6%
    2026-08-19 794,992 60,705 1,651,092 48.1%
    2026-08-18 998,010 227,304 1,699,961 58.7%
    2026-08-17 1,769,165 125,769 3,364,429 52.6%
    2026-08-14 533,654 18 1,157,018 46.1%
    2026-08-13 1,380,608 4,100 2,543,909 54.3%
    2026-08-12 1,114,138 6,198 2,035,377 54.7%
    2026-08-11 2,694,767 732 4,654,823 57.9%
    2026-08-10 1,250,853 0 2,169,125 57.7%
    2026-08-07 1,999,794 24,635 3,630,936 55.1%
    2026-08-06 1,724,806 100,697 2,338,316 73.8%
    2026-08-05 1,089,961 2,252 2,076,369 52.5%
    2026-08-04 1,863,748 0 3,735,579 49.9%
    2026-08-03 1,734,011 5 3,523,800 49.2%
    2026-07-31 8,435,734 3,393 12,873,702 65.5%
    2026-07-30 1,987,881 200 4,286,767 46.4%
    2026-07-29 1,919,435 0 4,046,572 47.4%
    2026-07-28 2,729,382 0 5,350,237 51.0%
    2026-07-27 1,908,507 225,260 3,553,342 53.7%
    2026-07-24 6,846,609 544,328 11,605,188 59.0%
    2026-07-23 1,747,257 17,129 2,486,222 70.3%
    2026-07-22 1,066,514 7,101 1,451,832 73.5%
    2026-07-21 1,670,446 1,309 2,197,861 76.0%
    2026-07-20 2,000,890 324 2,819,193 71.0%
    2026-07-17 1,216,959 0 2,235,922 54.4%
    2026-07-16 729,680 1,250 1,528,837 47.7%
    2026-07-15 849,220 61,390 1,726,354 49.2%
    2026-07-14 3,393,025 187,211 5,822,407 58.3%
    2026-07-13 782,712 164,890 2,311,047 33.9%
    2026-07-10 3,786,694 342,718 5,903,514 64.1%
    2026-07-09 894,971 31,560 1,230,529 72.7%
    2026-07-08 1,031,948 0 1,419,702 72.7%
    2026-07-07 2,742,149 21,920 3,216,427 85.3%
    2026-07-06 869,907 0 1,342,899 64.8%
    2026-07-02 918,261 0 1,537,304 59.7%
    Showing 1–50 of 63 days
    Key facts CIK 1378140 CUSIP 674870506 13F (30d) 31 filings 31 filers Visit website Investor relations