OPTT · Ocean Power Technologies, Inc.
$0.21
+0.00 (+0.98%)
At close · Aug 14
Going-concern doubt
— flagged Mar 17, 2026
Substantial doubt about the company's ability to continue as a going concern.
“These conditions raise substantial doubt about the Company's ability to continue as a going concern.”View the 10-Q filed Mar 17, 2026
Market Cap
$47.20M
Shares
228.02M
Weekly off-exchange (dark pool / OTC) trading volume reported to FINRA under its OTC/ATS Transparency data. ATS volume is executed on alternating trading systems (dark pools); non-ATS OTC is other over-the-counter dealer volume. The off-exchange share is total off-exchange volume as a percentage of consolidated weekly trading volume for the same Monday–Friday week.
Off-Exchange Volume History
| Week Start | ATS Volume | Non-ATS OTC Volume | Total Off-Exchange | % of FINRA Weekly Volume |
|---|---|---|---|---|
| 2026-07-06 | 2,197,107 | 11,423,409 | 13,620,516 | 70.9% |
| 2026-06-29 | 718,067 | 6,118,540 | 6,836,607 | 71.7% |
| 2026-06-22 | 1,274,193 | 9,606,367 | 10,880,560 | 64.1% |
| 2026-06-15 | 2,535,471 | 9,439,316 | 11,974,787 | 69.8% |
| 2026-06-08 | 4,694,562 | 17,907,967 | 22,602,529 | 68.1% |
| 2026-06-01 | 6,947,664 | 30,917,751 | 37,865,415 | 70.7% |
| 2026-05-25 | 1,245,467 | 9,418,616 | 10,664,083 | 68.5% |
| 2026-05-18 | 908,548 | 8,979,238 | 9,887,786 | 68.2% |
| 2026-05-11 | 1,391,595 | 8,411,898 | 9,803,493 | 69.5% |
| 2026-05-04 | 655,336 | 8,201,771 | 8,857,107 | 70.5% |
| 2026-04-27 | 614,614 | 7,579,808 | 8,194,422 | 74.6% |
| 2026-04-20 | 823,355 | 12,738,264 | 13,561,619 | 74.3% |
| 2026-04-13 | 750,998 | 11,554,297 | 12,305,295 | 71.0% |
| 2026-04-06 | 584,881 | 7,118,503 | 7,703,384 | 66.7% |
| 2026-03-30 | 901,547 | 11,401,450 | 12,302,997 | 74.6% |
| 2026-03-23 | 1,510,520 | 15,718,467 | 17,228,987 | 68.9% |
| 2026-03-16 | 2,509,000 | 20,431,134 | 22,940,134 | 69.6% |
| 2026-03-09 | 5,350,291 | 58,801,037 | 64,151,328 | 73.2% |
| 2026-03-02 | 1,223,234 | 17,663,472 | 18,886,706 | 73.5% |
| 2026-02-23 | 1,054,112 | 13,183,875 | 14,237,987 | 64.4% |
| 2026-02-16 | 425,754 | 8,266,242 | 8,691,996 | 65.9% |
| 2026-02-09 | 954,690 | 13,868,557 | 14,823,247 | 72.2% |
| 2026-02-02 | 1,807,356 | 24,612,488 | 26,419,844 | 68.9% |
| 2026-01-26 | 12,329,668 | 249,154,252 | 261,483,920 | 74.5% |
| 2026-01-19 | 1,245,553 | 20,040,911 | 21,286,464 | 67.7% |
| 2026-01-12 | 1,951,812 | 30,016,211 | 31,968,023 | 75.9% |
| 2026-01-05 | 6,409,525 | 114,652,125 | 121,061,650 | 68.7% |
| 2025-12-29 | 1,063,747 | 14,329,808 | 15,393,555 | 71.7% |
| 2025-12-22 | 707,889 | 6,866,346 | 7,574,235 | 70.0% |
| 2025-12-15 | 1,647,350 | 27,301,950 | 28,949,300 | 71.7% |
| 2025-12-08 | 470,741 | 7,283,138 | 7,753,879 | 75.9% |
| 2025-12-01 | 505,837 | 7,797,353 | 8,303,190 | 75.4% |
| 2025-11-24 | 694,147 | 7,914,287 | 8,608,434 | 70.3% |
| 2025-11-17 | 583,626 | 8,815,062 | 9,398,688 | 69.1% |
| 2025-11-10 | 827,518 | 11,257,841 | 12,085,359 | 74.1% |
| 2025-11-03 | 2,048,467 | 20,415,988 | 22,464,455 | 72.9% |
| 2025-10-27 | 1,183,387 | 19,052,886 | 20,236,273 | 74.2% |
| 2025-10-20 | 2,304,824 | 28,922,536 | 31,227,360 | 71.5% |
| 2025-10-13 | 1,410,539 | 22,643,815 | 24,054,354 | 72.9% |
| 2025-10-06 | 3,053,633 | 47,699,470 | 50,753,103 | 71.8% |
| 2025-09-29 | 1,174,025 | 22,506,355 | 23,680,380 | 76.7% |
| 2025-09-22 | 1,367,658 | 21,687,250 | 23,054,908 | 72.5% |
| 2025-09-15 | 950,977 | 23,361,550 | 24,312,527 | 69.3% |
| 2025-09-08 | 557,011 | 16,883,866 | 17,440,877 | 73.3% |
| 2025-09-01 | 270,225 | 7,143,046 | 7,413,271 | 74.2% |
| 2025-08-25 | 648,044 | 18,969,256 | 19,617,300 | 75.7% |
| 2025-08-18 | 662,907 | 9,358,355 | 10,021,262 | 70.5% |
Showing 1–47 of 47 weeks
Key facts
CIK
1378140
CUSIP
674870506
13F (30d)
78 filings
78 filers
Visit website
Investor relations