SPTU
State Street SPDR Portfolio Ultra Short T-Bill ETF
stockNYSEETF
At CloseOct 1, 2026 10:08:54 AM EDT
25.00USD0.000%(+25.00)6,076
After-hoursOct 2, 2026 4:10:30 PM EDT
25.02USD+0.040%(+0.01)
As of 2026-09-15, there were 31,979 shares short with a short interest of 5.81%.
SPTU Short Interest - Official
Short Interest
SPTU Short Position Change - Official
Short Position Change
SPTU Short Interest - Official
| Settlement Date1 | Short Interest % | Short Position | Days to Cover2 | Short Position Change | Short Position Change % | Shares Out | Shares Float |
|---|---|---|---|---|---|---|---|
| 2026-09-15 | 5.81 | 31,979 | 7.75 | +4,149 | +14.91 | 550,000 | 550,000 |
| 2026-08-31 | 5.06 | 27,830 | 10.00 | +11,379 | +69.17 | 550,000 | 550,000 |
| 2026-08-14 | 2.99 | 16,451 | 4.45 | +4,152 | +33.76 | 550,000 | 550,000 |
| 2026-07-31 | 2.24 | 12,299 | 11.95 | -2,237 | -15.39 | 550,000 | 550,000 |
| 2026-07-15 | 2.64 | 14,536 | 4.78 | +7,920 | +119.71 | 550,000 | 550,000 |
| 2026-06-30 | 1.20 | 6,616 | 8.75 | +686 | +11.57 | 550,000 | 550,000 |
| 2026-06-15 | 1.08 | 5,930 | 1.90 | +2,946 | +98.73 | 550,000 | 550,000 |
| 2026-05-15 | 0.54 | 2,984 | 2.20 | +980 | +48.90 | 550,000 | 550,000 |
| 2026-04-30 | 0.36 | 2,004 | 2.41 | +558 | +38.59 | 550,000 | 550,000 |
| 2026-04-15 | 0.26 | 1,446 | 1.00 | -5,085 | -77.86 | 550,000 | 550,000 |
| 2026-03-31 | 1.19 | 6,531 | 2.16 | -3,575 | -35.38 | 550,000 | 550,000 |
| 2026-03-13 | 2.06 | 10,106 | 1.00 | -3,483 | -25.63 | 490,000 | 490,000 |
| 2026-02-27 | 3.09 | 13,589 | 3.73 | +7,304 | +116.21 | 440,000 | 440,000 |
| 2026-02-13 | 1.50 | 6,285 | 1.00 | -37,022 | -85.49 | 420,000 | 420,000 |
| 2026-01-30 | 10.31 | 43,307 | 6.43 | +28,433 | +191.16 | 420,000 | 420,000 |
| 2026-01-15 | 3.54 | 14,874 | 5.79 | +1,906 | +14.70 | 420,000 | 420,000 |
| 2025-12-31 | 3.09 | 12,968 | 8.37 | +5,034 | +63.45 | 420,000 | 420,000 |
| 2025-12-15 | 1.89 | 7,934 | 8.84 | +4,702 | +145.48 | 420,000 | 420,000 |
| 2025-11-28 | 0.77 | 3,232 | 1.86 | +1,628 | +101.50 | 420,000 | 420,000 |
| 2025-11-14 | 0.00 | 1,604 | 1.00 | +1,277 | +390.52 | 0 | 0 |
| 2025-10-31 | 0.00 | 327 | 1.66 | +227 | +227.00 | 0 | 0 |
| 2025-10-15 | 0.00 | 100 | 1.00 | 0 | 0.00 | 0 | 0 |
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.