RBBN
Ribbon Communications Inc.
$2.19
-0.15 (-6.41%)
At close · Jul 15
Market Cap
$385.74M
Shares
176,139,067
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
46/100
Short interest 2.1% of shares — P51
Days to cover 4.2 — P74
Price vs VWAP -18.1% — P17
Short-volume trend -2.1% — P43
Short interest change -4.7% — P33
Worst FTD 0.00% of shares — P31
Peer-relative percentile rank across all stocks reporting short interest at the latest settlement date (2026-06-30). 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 |
|---|---|---|---|---|
| 2026-06-30 | 3,649,863 | 3,828,201 | -178,338 | 4.24 |
| 2026-06-15 | 3,828,201 | 3,896,613 | -68,412 | 4.80 |
| 2026-05-29 | 3,896,613 | 3,544,743 | +351,870 | 2.56 |
| 2026-05-15 | 3,544,743 | 3,424,570 | +120,173 | 5.20 |
| 2026-04-30 | 3,424,570 | 3,192,230 | +232,340 | 2.98 |
| 2026-04-15 | 3,192,230 | 3,151,966 | +40,264 | 3.06 |
| 2026-03-31 | 3,151,966 | 3,004,557 | +147,409 | 5.90 |
| 2026-03-13 | 3,004,557 | 3,369,224 | -364,667 | 3.93 |
| 2026-02-27 | 3,369,224 | 3,707,139 | -337,915 | 3.16 |
| 2026-02-13 | 3,707,139 | 3,494,153 | +212,986 | 2.39 |
| 2026-01-30 | 3,494,153 | 3,377,824 | +116,329 | 8.03 |
| 2026-01-15 | 3,377,824 | 3,352,510 | +25,314 | 5.62 |
| 2025-12-31 | 3,352,510 | 3,218,179 | +134,331 | 5.79 |
| 2025-12-15 | 3,218,179 | 3,136,135 | +82,044 | 4.57 |
| 2025-11-28 | 3,136,135 | 3,255,200 | -119,065 | 4.20 |
| 2025-11-14 | 3,255,200 | 3,135,484 | +119,716 | 4.85 |
| 2025-10-31 | 3,135,484 | 3,059,236 | +76,248 | 3.17 |
| 2025-10-15 | 3,059,236 | 3,282,234 | -222,998 | 5.14 |
| 2025-09-30 | 3,282,234 | 3,366,393 | -84,159 | 6.46 |
| 2025-09-15 | 3,366,393 | 3,087,018 | +279,375 | 4.94 |
| 2025-08-29 | 3,087,018 | 3,169,755 | -82,737 | 6.89 |
| 2025-08-15 | 3,169,755 | 2,805,004 | +364,751 | 5.99 |
| 2025-07-31 | 2,805,004 | 2,714,275 | +90,729 | 4.30 |
Showing 1–23 of 23 settlements