RLYB
Rallybio CorpCompany with tickers: RLYB
Market Cap
$84.77M
Shares Outstanding
5,298,137
CIK
1739410
CUSIP
75120L209
13F Activity (30d)
1 filings
1 filers
Website
Visit website
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
65/100
Short interest 8.0% of shares — P84
Days to cover 4.9 — P72
Short-volume trend -2.4% — P39
Peer-relative percentile rank across all stocks reporting short interest at the latest settlement date (2026-06-15). Equal-weight mean of the available factors.
Short Interest History
| Settlement Date | Current Position | Previous Position | Change | Days to Cover |
|---|---|---|---|---|
| 2026-06-15 | 425,033 | 586,906 | -161,873 | 4.92 |
| 2026-05-29 | 586,906 | 578,792 | +8,114 | 11.98 |
| 2026-05-15 | 578,792 | 1,572,902 | -994,110 | 1.00 |
| 2026-04-30 | 1,572,902 | 1,405,893 | +167,009 | 28.85 |
| 2026-04-15 | 1,405,893 | 1,108,870 | +297,023 | 20.66 |
| 2026-03-31 | 1,108,870 | 797,895 | +310,975 | 10.23 |
| 2026-03-13 | 797,895 | 44,517 | +753,378 | 1.60 |
| 2026-02-27 | 44,517 | 38,974 | +5,543 | 1.00 |
| 2026-02-13 | 38,974 | 141,643 | -102,669 | 1.56 |
| 2026-01-30 | 141,643 | 116,605 | +25,038 | 1.00 |
| 2026-01-15 | 116,605 | 106,204 | +10,401 | 1.00 |
| 2025-12-31 | 106,204 | 122,587 | -16,383 | 1.00 |
| 2025-12-15 | 122,587 | 140,389 | -17,802 | 1.00 |
| 2025-11-28 | 140,389 | 174,572 | -34,183 | 1.00 |
| 2025-11-14 | 174,572 | 229,838 | -55,266 | 1.00 |
| 2025-10-31 | 229,838 | 284,270 | -54,432 | 1.00 |
| 2025-10-15 | 284,270 | 331,509 | -47,239 | 1.00 |
| 2025-09-30 | 331,509 | 422,184 | -90,675 | 1.04 |
| 2025-09-15 | 422,184 | 612,420 | -190,236 | 1.15 |
| 2025-08-29 | 612,420 | 771,851 | -159,431 | 1.99 |
| 2025-08-15 | 771,851 | 1,346,454 | -574,603 | 1.40 |
| 2025-07-31 | 1,346,454 | 1,975,093 | -628,639 | 2.42 |
| 2025-07-15 | 1,975,093 | 346,362 | +1,628,731 | 1.00 |
| 2025-06-30 | 346,362 | 330,040 | +16,322 | 1.88 |
Showing 1–24 of 24 settlements