RBBN US Equity
Ribbon Communications Inc.Information Technology · Services-Computer Integrated Systems Design · CIK 1708055 · FY ends Dec 31$2.03
+0.03 (+1.50%)
USD · as of 2026-08-21 · marketstack
Short interest· FINRA consolidated · settlement 2026-07-31
6 settlement cycles| Shares short | 4.0M |
| % of shares out | 2.3% |
| Days to cover | 4.8 |
| Δ vs 2026-07-15 | -3.1% |
bars = shares short · line = days to cover (own scale)
| Settlement | Shares short | Δ vs prior | Avg daily volume | Days to cover |
|---|
| 2026-07-31 | 4,034,032 | -3.1% | 832,505 | 4.8 |
| 2026-07-15 | 4,161,563 | +14.0% | 824,219 | 5.0 |
| 2026-06-30 | 3,649,863 | -4.7% | 860,379 | 4.2 |
| 2026-06-15 | 3,828,201 | -1.8% | 797,894 | 4.8 |
| 2026-05-29 | 3,896,613 | +9.9% | 1,522,933 | 2.6 |
| 2026-05-15 | 3,544,743 | +3.5% | 681,225 | 5.2 |
FINRA Rule 4560 · twice monthly, published ~a week later.
Output of a disclosed model — assumptions may be wrong. Research, not investment advice. See the Disclaimer.