PTGX short interest
Protagonist Therapeutics Inc. · Healthcare · Biotechnology · settlement date 2026-09-30
| Shares short | 9,345,382 |
|---|---|
| Change vs prior report | 1,205,188 (+14.8%) |
| Change over six months | +8.3% |
| Days to cover | 11.49 (sector: 3.78) |
| Average daily volume | 813,300 |
| Rank in Healthcare | #77 of 922 by days to cover |
PTGX short interest, last 12 months
| Settlement | Shares short | Change | Days to cover | Avg daily volume |
|---|---|---|---|---|
| 2026-09-30 | 9,345,382 | +14.8% | 11.49 | 813,300 |
| 2026-09-15 | 8,140,194 | +5.5% | 15.13 | 538,023 |
| 2026-08-31 | 7,712,543 | -1.0% | 15.34 | 502,802 |
| 2026-08-14 | 7,791,795 | +3.3% | 16.42 | 474,581 |
| 2026-07-31 | 7,543,109 | -9.0% | 14.21 | 530,739 |
| 2026-07-15 | 8,292,656 | +7.8% | 9.53 | 870,374 |
| 2026-06-30 | 7,691,347 | -0.5% | 7.22 | 1,065,176 |
| 2026-06-15 | 7,728,416 | +4.3% | 11.59 | 666,636 |
| 2026-05-29 | 7,410,849 | +1.6% | 16.81 | 440,776 |
| 2026-05-15 | 7,293,819 | -3.3% | 12.76 | 571,831 |
| 2026-04-30 | 7,540,996 | -10.2% | 11.88 | 634,719 |
| 2026-04-15 | 8,397,278 | -2.7% | 11.61 | 723,038 |
| 2026-03-31 | 8,626,880 | +7.0% | 7.64 | 1,129,332 |
| 2026-03-13 | 8,060,991 | -1.6% | 10.88 | 741,047 |
| 2026-02-27 | 8,192,998 | -3.0% | 16.48 | 497,018 |
| 2026-02-13 | 8,443,732 | +3.8% | 13.31 | 634,572 |
| 2026-01-30 | 8,132,629 | -2.0% | 10.56 | 769,818 |
| 2026-01-15 | 8,297,775 | +13.8% | 8.75 | 948,734 |
| 2025-12-31 | 7,292,034 | +11.5% | 9.51 | 767,016 |
| 2025-12-15 | 6,539,025 | +11.2% | 6.01 | 1,088,905 |
| 2025-11-28 | 5,883,017 | +5.4% | 7.07 | 832,587 |
| 2025-11-14 | 5,582,326 | +2.1% | 5.85 | 954,588 |
| 2025-10-31 | 5,465,729 | -13.4% | 5.60 | 976,387 |
| 2025-10-15 | 6,312,028 | -5.0% | 3.26 | 1,934,974 |
| 2025-09-30 | 6,641,782 | -0.3% | 5.62 | 1,182,307 |
import finzdata as yf
yf.Ticker("PTGX").short_interest # every report since 2017
yf.Client().short_interest(["PTGX"], start="2018-01-01")Healthcare short interest · PTGX price history · Who owns PTGX · All short interest