PBYI US Equity
Puma Biotechnology, Inc.Health Care · Pharmaceutical Preparations · CIK 1401667 · FY ends Dec 31$9.49
+0.25 (+2.71%)
USD · as of 2026-08-19 · marketstack
Short interest· FINRA consolidated · settlement 2026-07-31
6 settlement cycles| Shares short | 4.1M |
| % of shares out | 8.0% |
| Days to cover | 13.9 |
| Δ vs 2026-07-15 | +5.5% |
bars = shares short · line = days to cover (own scale)
| Settlement | Shares short | Δ vs prior | Avg daily volume | Days to cover |
|---|
| 2026-07-31 | 4,126,395 | +5.5% | 297,127 | 13.9 |
| 2026-07-15 | 3,909,380 | +7.7% | 367,132 | 10.7 |
| 2026-06-30 | 3,628,478 | -1.9% | 428,367 | 8.5 |
| 2026-06-15 | 3,698,796 | -2.8% | 200,928 | 18.4 |
| 2026-05-29 | 3,803,328 | -9.3% | 192,768 | 19.7 |
| 2026-05-15 | 4,194,225 | +2.2% | 355,790 | 11.8 |
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.
