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Where the tokens are
Trade XBI perps| Settlement | Shares short | Average daily volume | Days to cover |
|---|---|---|---|
| Sep 15, 2026 | 75.26M | 7.59M | 9.91 |
| Aug 31, 2026 | 74.46M | 9.19M | 8.10 |
| Aug 14, 2026 | 77.13M | 7.43M | 10.39 |
| Jul 31, 2026 | 78.85M | 8.28M | 9.52 |
| Jul 15, 2026 | 75.11M | 9M | 8.34 |
| Jun 30, 2026 | 75.15M | 11.93M | 6.30 |
| Jun 15, 2026 | 79.07M | 8.7M | 9.09 |
| May 29, 2026 | 76.99M | 7.92M | 9.72 |
| May 15, 2026 | 74.34M | 8.52M | 8.73 |
| Apr 30, 2026 | 74.76M | 7.3M | 10.24 |
| Apr 15, 2026 | 73.33M | 9.66M | 7.59 |
| Mar 31, 2026 | 85.44M | 10.55M | 8.10 |
The share of each day’s reported trading that was a short sale. This is not short interest: most of it is market makers selling short to fill buy orders and buying back within the day, so a ratio of 30–50% is ordinary for a heavily traded stock and says little about how many shares are held short overnight.
Figures describe State Street SPDR S&P Biotech ETF shares, not any token. As of Sep 15, 2026, from exchange short-interest reports and FINRA short-sale volume, via Massive. Short sellers borrow and sell the shares themselves; token holders are not lending theirs.