PST
ProShares Trust UltraShort Lehman 7-10 Year Treasury
stockNYSEETF
At CloseOct 23, 2026 12:57:19 PM EDT
24.38USD+0.515%(+0.12)762
As of 2026-09-30, there were 7,011 shares short with a short interest of 1.56%.
PST Short Interest - Official
PST Short Position Change - Official
PST Short Interest - Official
| Settlement Date1 | Short Interest % | Short Position | Days to Cover2 | Short Position Change | Short Position Change % | Shares Out | Shares Float |
|---|---|---|---|---|---|---|---|
| 2026-09-30 | 1.56 | 7,011 | 1.00 | +4,845 | +223.68 | 450,000 | 450,000 |
| 2026-09-15 | 0.48 | 2,166 | 1.00 | +795 | +57.99 | 450,000 | 450,000 |
| 2026-08-31 | 0.30 | 1,371 | 1.00 | -6,488 | -82.56 | 450,000 | 450,000 |
| 2026-08-14 | 1.75 | 7,859 | 1.54 | -2,288 | -22.55 | 450,000 | 450,000 |
| 2026-07-31 | 2.25 | 10,147 | 1.75 | -9,398 | -48.08 | 450,000 | 450,000 |
| 2026-07-15 | 3.91 | 19,545 | 2.78 | +9,059 | +86.39 | 500,000 | 500,000 |
| 2026-06-30 | 2.10 | 10,486 | 2.80 | +8,406 | +404.13 | 500,000 | 500,000 |
| 2026-06-15 | 0.42 | 2,080 | 1.00 | -839 | -28.74 | 500,000 | 500,000 |
| 2026-05-15 | 0.58 | 2,919 | 1.00 | +1,484 | +103.41 | 500,000 | 500,000 |
| 2026-04-30 | 0.29 | 1,435 | 1.00 | -7,686 | -84.27 | 500,000 | 500,000 |
| 2026-04-15 | 1.82 | 9,121 | 1.00 | +157 | +1.75 | 500,000 | 500,000 |
| 2026-03-31 | 1.79 | 8,964 | 1.00 | -3,981 | -30.75 | 500,000 | 500,000 |
| 2026-03-13 | 2.59 | 12,945 | 1.00 | +7,832 | +153.18 | 500,000 | 500,000 |
| 2026-02-27 | 1.02 | 5,113 | 1.00 | +1,357 | +36.13 | 500,000 | 500,000 |
| 2026-02-13 | 0.75 | 3,756 | 1.00 | +227 | +6.43 | 500,000 | 500,000 |
| 2026-01-30 | 0.71 | 3,529 | 1.00 | +1,443 | +69.18 | 500,000 | 500,000 |
| 2026-01-15 | 0.42 | 2,086 | 1.00 | +985 | +89.46 | 500,000 | 500,000 |
| 2025-12-31 | 0.20 | 1,101 | 1.00 | -1,083 | -49.59 | 550,000 | 550,000 |
| 2025-12-15 | 0.40 | 2,184 | 1.00 | +895 | +69.43 | 550,000 | 550,000 |
| 2025-11-28 | 0.23 | 1,289 | 1.00 | -1,875 | -59.26 | 550,000 | 550,000 |
| 2025-11-14 | 0.58 | 3,164 | 1.00 | +2,380 | +303.57 | 550,000 | 550,000 |
| 2025-10-31 | 0.14 | 784 | 1.00 | +135 | +20.80 | 550,000 | 550,000 |
Historical data is split-adjusted.
1 Data from Finra. Finra publishes an updated file every two weeks.
2 Days to Cover (DTC) is also called Short Ratio. This is the Short Position / Average Daily Trading Volume.