CLIR · ClearSign Technologies Corp · Short Volume
$3.85
-0.18 (-4.47%)
At close · Sep 14
Going-concern doubt
— flagged Aug 14, 2026
Substantial doubt about the company's ability to continue as a going concern.
“There can be no assurance that we will be successful in achieving our long term plans, or that such plans, if consummated, will result in profitable operations or enable us to continue in the long term as a going concern.”View the 10-Q filed Aug 14, 2026
Market Cap
$27.30M
Shares
6.81M
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.
Short Volume
| Date | Short Volume | Short Exempt | Total Volume | Short % |
|---|---|---|---|---|
| 2026-09-14 | 2,189 | 0 | 13,127 | 16.7% |
| 2026-09-11 | 2,229 | 1,539 | 27,445 | 8.1% |
| 2026-09-10 | 1,825 | 0 | 25,028 | 7.3% |
| 2026-09-09 | 360 | 0 | 606 | 59.4% |
| 2026-09-08 | 4,029 | 0 | 6,443 | 62.5% |
| 2026-09-04 | 487 | 0 | 2,521 | 19.3% |
| 2026-09-03 | 2,181 | 0 | 25,202 | 8.7% |
| 2026-09-02 | 688 | 0 | 3,179 | 21.6% |
| 2026-09-01 | 88 | 0 | 1,025 | 8.5% |
| 2026-08-31 | 958 | 0 | 3,460 | 27.7% |
| 2026-08-28 | 2,789 | 0 | 3,784 | 73.7% |
| 2026-08-27 | 1,274 | 0 | 5,441 | 23.4% |
| 2026-08-26 | 2,009 | 0 | 5,314 | 37.8% |
| 2026-08-25 | 6,497 | 99 | 15,121 | 43.0% |
| 2026-08-24 | 5,358 | 405 | 17,587 | 30.5% |
| 2026-08-21 | 1,745 | 807 | 17,984 | 9.7% |
| 2026-08-20 | 6,549 | 406 | 17,032 | 38.5% |
| 2026-08-19 | 11,428 | 0 | 16,732 | 68.3% |
| 2026-08-18 | 4,219 | 0 | 9,093 | 46.4% |
| 2026-08-17 | 4,140 | 0 | 11,885 | 34.8% |
| 2026-08-14 | 2,203 | 0 | 14,221 | 15.5% |
| 2026-08-13 | 72 | 0 | 686 | 10.5% |
| 2026-08-12 | 311 | 0 | 2,051 | 15.2% |
| 2026-08-11 | 6,458 | 0 | 18,868 | 34.2% |
| 2026-08-10 | 3,197 | 315 | 9,065 | 35.3% |
| 2026-08-07 | 17 | 0 | 2,809 | 0.6% |
| 2026-08-06 | 824 | 0 | 5,934 | 13.9% |
| 2026-08-05 | 397 | 0 | 2,040 | 19.5% |
| 2026-08-04 | 351 | 0 | 1,059 | 33.2% |
| 2026-08-03 | 1,704 | 0 | 5,325 | 32.0% |
| 2026-07-31 | 12 | 0 | 672 | 1.8% |
| 2026-07-30 | 404 | 0 | 1,995 | 20.2% |
| 2026-07-29 | 868 | 0 | 1,581 | 54.9% |
| 2026-07-28 | 1,574 | 0 | 5,561 | 28.3% |
| 2026-07-27 | 1,907 | 0 | 4,743 | 40.2% |
| 2026-07-24 | 80 | 0 | 1,786 | 4.5% |
| 2026-07-23 | 3,789 | 0 | 19,045 | 19.9% |
| 2026-07-22 | 1,615 | 0 | 4,289 | 37.7% |
| 2026-07-21 | 22 | 0 | 883 | 2.5% |
| 2026-07-20 | 734 | 0 | 4,762 | 15.4% |
| 2026-07-17 | 1,143 | 0 | 1,927 | 59.3% |
| 2026-07-16 | 744 | 0 | 2,187 | 34.0% |
| 2026-07-15 | 114 | 0 | 2,311 | 4.9% |
| 2026-07-14 | 1,347 | 0 | 3,377 | 39.9% |
| 2026-07-13 | 898 | 0 | 7,105 | 12.6% |
| 2026-07-10 | 173 | 0 | 1,502 | 11.5% |
| 2026-07-09 | 646 | 0 | 4,941 | 13.1% |
| 2026-07-08 | 412 | 0 | 2,890 | 14.3% |
| 2026-07-07 | 274 | 0 | 8,471 | 3.2% |
| 2026-07-06 | 1,617 | 0 | 4,616 | 35.0% |
Showing 1–50 of 63 days