BIS · ProShares UltraShort Nasdaq Biotechnology ETF
$10.97
+0.17 (+1.61%)
At close · Sep 4
Shares sold short and not yet covered, reported twice monthly. Days to cover is the reported short position divided by average daily volume.
BIS Latest Reported Short Interest
FINRA reported 10,400 BIS shares sold short as of the August 14, 2026 settlement date, an increase of 3,108 shares. Days to cover was 2.35 based on FINRA's reported average daily volume.
Official FINRA short-interest data · share counts are restated for subsequent splits of this listing
Short Interest History
| Settlement Date | Current Position | Previous Position | Change | Days to Cover |
|---|---|---|---|---|
|
2026-09-15
Scheduled
FINRA publishes Sep 24
|
— | — | — | — |
|
2026-08-31
Scheduled
FINRA publishes Sep 10
|
— | — | — | — |
| 2026-08-14 | 10,400 | 7,292 | +3,108 | 2.35 |
| 2026-07-31 | 7,292 | 4,599 | +2,693 | 1.51 |
| 2026-07-15 | 4,599 | 6,523 | -1,924 | 1.00 |
| 2026-06-30 | 6,523 | 4,157 | +2,366 | 1.06 |
| 2026-06-15 | 4,157 | 6,057 | -1,900 | 1.00 |
| 2026-05-29 | 6,057 | 16,140 | -10,083 | 1.10 |
| 2026-05-15 | 16,140 | 22,771 | -6,631 | 1.00 |
| 2026-04-30 | 22,771 | 14,231 | +8,540 | 1.00 |
| 2026-04-15 | 14,231 | 15,661 | -1,430 | 1.00 |
| 2026-03-31 | 15,661 | 14,354 | +1,307 | 1.00 |
| 2026-03-13 | 14,354 | 12,281 | +2,073 | 1.31 |
| 2026-02-27 | 12,281 | 10,921 | +1,360 | 2.71 |
| 2026-02-13 | 10,921 | 21,029 | -10,108 | 1.00 |
| 2026-01-30 | 21,029 | 10,560 | +10,469 | 1.16 |
| 2026-01-15 | 10,560 | 6,618 | +3,942 | 1.00 |
| 2025-12-31 | 6,618 | 6,601 | +17 | 1.00 |
| 2025-12-15 | 6,601 | 5,801 | +800 | 1.00 |
| 2025-11-28 | 5,801 | 13,972 | -8,171 | 1.00 |
| 2025-11-14 | 13,972 | 8,920 | +5,052 | 1.00 |
| 2025-10-31 | 8,920 | 6,892 | +2,028 | 1.84 |
| 2025-10-15 | 6,892 | 5,392 | +1,500 | 1.00 |
| 2025-09-30 | 5,392 | 7,240 | -1,848 | 1.00 |
| 2025-09-15 | 7,240 | 4,824 | +2,416 | 1.00 |
Full FINRA short interest reporting calendar
Showing 1–23 of 23 settlements