CLIR · ClearSign Technologies Corp
$4.65
+0.40 (+9.41%)
At close · Aug 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
$31.65M
Shares
6.81M
Shares sold short and not yet covered, reported twice monthly. Days to cover is the reported short position divided by average daily volume.
Short Squeeze Score
62/100
Short interest 0.3% of shares — P28
Days to cover 1.4 — P31
Price vs VWAP +12.4% — P84
Short-volume trend +5.6% — P72
Short interest change +15.6% — P83
Worst FTD 0.02% of shares — P55
Price spike +10
Peer-relative percentile rank across all stocks reporting short interest at the latest settlement date (2026-07-31). Weighted mean of the available factors (short interest 30%, days to cover 20%, price vs VWAP 15%, short-volume trend 15%, short-interest change 10%, fails-to-deliver 10%) plus catalyst boosts (price spike, volume surge, earnings within days), capped at +20 and clamped to 100.
Short Interest History
| Settlement Date | Current Position | Previous Position | Change | Days to Cover |
|---|---|---|---|---|
|
2026-08-31
Scheduled
FINRA publishes Sep 10
|
— | — | — | — |
|
2026-08-14
Scheduled
FINRA publishes Aug 25
|
— | — | — | — |
| 2026-07-31 | 18,663 | 16,141 | +2,522 | 1.44 |
| 2026-07-15 | 16,141 | 22,041 | -5,900 | 1.41 |
| 2026-06-30 | 22,041 | 22,811 | -770 | 1.42 |
| 2026-06-15 | 22,811 | 26,590 | -3,779 | 1.64 |
| 2026-05-29 | 26,590 | 26,072 | +518 | 1.00 |
| 2026-05-15 | 26,072 | 26,120 | -48 | 1.44 |
| 2026-04-30 | 26,120 | 26,031 | +89 | 1.66 |
| 2026-04-15 | 26,031 | 45,549 | -19,518 | 1.00 |
| 2026-03-31 | 45,549 | 263,955 | -218,406 | 2.27 |
| 2026-03-13 | 26,396 | 17,798 | +8,598 | 1.05 |
| 2026-02-27 | 17,798 | 16,209 | +1,589 | 3.68 |
| 2026-02-13 | 16,209 | 14,833 | +1,376 | 1.54 |
| 2026-01-30 | 14,833 | 15,803 | -970 | 1.00 |
| 2026-01-15 | 15,803 | 15,582 | +220 | 1.00 |
| 2025-12-31 | 15,582 | 17,135 | -1,552 | 1.53 |
| 2025-12-15 | 17,135 | 16,540 | +595 | 1.32 |
| 2025-11-28 | 16,540 | 26,090 | -9,550 | 1.99 |
| 2025-11-14 | 26,090 | 21,687 | +4,403 | 1.80 |
| 2025-10-31 | 21,687 | 31,342 | -9,655 | 1.17 |
| 2025-10-15 | 31,342 | 41,984 | -10,642 | 1.00 |
| 2025-09-30 | 41,984 | 20,282 | +21,702 | 1.00 |
| 2025-09-15 | 20,282 | 21,372 | -1,091 | 2.94 |
| 2025-08-29 | 21,372 | 22,818 | -1,446 | 3.78 |
Showing 1–23 of 23 settlements
Key facts
CIK
1434524
CUSIP
185064201
13F (30d)
25 filings
25 filers
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