RBCN
Rubicon Technology, Inc.Company with tickers: RBCN
CIK
1410172
Shares Outstanding
2,410,265
Investor Relations
https://www.rubicontechnology.com/investor-relations
Total shares sold short and not yet covered, reported to FINRA by broker-dealers and published twice a month (bi-monthly). Days to cover divides the short position by average daily volume; a high value (above 5) can signal short-squeeze potential.
Short Squeeze Score
35/100
Short interest 0.4% of shares — P31
Days to cover 2.0 — P41
Short-volume trend -5.6% — P31
Peer-relative percentile rank across all stocks reporting short interest at the latest settlement date (2026-05-29). Equal-weight mean of the available factors.
Short Interest History
| Settlement Date | Current Position | Previous Position | Change | Days to Cover |
|---|---|---|---|---|
| 2026-05-29 | 8,568 | 8,081 | +487 | 1.98 |
| 2026-05-15 | 8,081 | 8,113 | -32 | 1.00 |
| 2026-04-30 | 8,113 | 7,991 | +122 | 2.15 |
| 2026-04-15 | 7,991 | 8,006 | -15 | 1.12 |
| 2026-03-31 | 8,006 | 8,177 | -171 | 27.70 |
| 2026-03-13 | 8,177 | 8,208 | -31 | 8.45 |
| 2026-02-27 | 8,208 | 8,120 | +88 | 1.00 |
| 2026-02-13 | 8,120 | 8,025 | +95 | 7.69 |
| 2026-01-30 | 8,025 | 8,025 | 0 | 4.76 |
| 2026-01-15 | 8,025 | 7,970 | +55 | 1.70 |
| 2025-12-31 | 7,970 | 7,970 | 0 | 4.50 |
| 2025-12-15 | 7,970 | 7,970 | 0 | 2.15 |
| 2025-11-28 | 7,970 | 11,042 | -3,072 | 1.00 |
| 2025-11-14 | 11,042 | 11,042 | 0 | 4.34 |
| 2025-10-31 | 11,042 | 11,042 | 0 | 1.67 |
| 2025-10-15 | 11,042 | 12,241 | -1,199 | 5.19 |
| 2025-09-30 | 12,241 | 11,826 | +415 | 1.99 |
| 2025-09-15 | 11,826 | 14,160 | -2,334 | 1.32 |
| 2025-08-29 | 14,160 | 12,238 | +1,922 | 1.00 |
| 2025-08-15 | 12,238 | 11,181 | +1,057 | 1.00 |
| 2025-07-31 | 11,181 | 12,208 | -1,027 | 2.55 |
| 2025-07-15 | 12,208 | 11,710 | +498 | 16.89 |
| 2025-06-30 | 11,710 | 11,483 | +227 | 3.80 |
Showing 1–23 of 23 settlements