SDSI
American Century Short Duration Strategic Income ETF
stockNASDAQETF
Market OpenOct 2, 2026 3:44:05 PM EDT
50.56USD-0.010%(-0.01)2,577
50.54Bid50.79Ask0.25SpreadAs of 2026-09-15, there were 15,496 shares short with a short interest of 0.29%.
SDSI Short Interest - Official
Short Interest
SDSI Short Position Change - Official
Short Position Change
SDSI 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 | 0.29 | 15,496 | 1.00 | -1,628 | -9.51 | 5,750,000 | 5,350,503 |
| 2026-08-31 | 0.32 | 17,124 | 1.00 | +8 | +0.05 | 5,700,000 | 5,350,503 |
| 2026-08-14 | 0.32 | 17,116 | 1.00 | +2,465 | +16.82 | 5,000,000 | 5,350,503 |
| 2026-07-31 | 0.31 | 14,651 | 1.00 | -14,759 | -50.18 | 4,700,000 | 4,700,000 |
| 2026-07-15 | 0.65 | 29,410 | 1.22 | +4,605 | +18.56 | 4,550,000 | 4,550,000 |
| 2026-06-30 | 0.55 | 24,805 | 1.01 | +9,884 | +66.24 | 4,550,000 | 4,550,000 |
| 2026-06-15 | 0.34 | 14,921 | 1.00 | -3,396 | -18.54 | 4,400,000 | 4,400,000 |
| 2026-05-15 | 0.45 | 18,317 | 1.52 | -282,354 | -93.91 | 4,050,000 | 4,050,000 |
| 2026-04-30 | 8.13 | 300,671 | 6.67 | +292,388 | +3,529.98 | 3,700,000 | 3,700,000 |
| 2026-04-15 | 0.22 | 8,283 | 1.00 | -2,696 | -24.56 | 3,700,000 | 3,700,000 |
| 2026-03-31 | 0.30 | 10,979 | 1.00 | -13,749 | -55.60 | 3,650,000 | 3,650,000 |
| 2026-03-13 | 0.73 | 24,728 | 1.00 | +5,347 | +27.59 | 3,400,000 | 3,400,000 |
| 2026-02-27 | 0.58 | 19,381 | 1.15 | +8,459 | +77.45 | 3,350,000 | 3,350,000 |
| 2026-02-13 | 0.33 | 10,922 | 1.00 | -9,487 | -46.48 | 3,300,000 | 3,300,000 |
| 2026-01-30 | 0.64 | 20,409 | 1.00 | -201 | -0.98 | 3,200,000 | 3,200,000 |
| 2026-01-15 | 0.66 | 20,610 | 1.00 | +10,964 | +113.66 | 3,100,000 | 3,100,000 |
| 2025-12-31 | 0.32 | 9,646 | 1.00 | -1,769 | -15.50 | 3,050,000 | 3,050,000 |
| 2025-12-15 | 0.45 | 11,415 | 1.00 | -4,697 | -29.15 | 2,550,000 | 2,550,000 |
| 2025-11-28 | 0.64 | 16,112 | 1.49 | -5,123 | -24.13 | 2,500,000 | 2,500,000 |
| 2025-11-14 | 1.52 | 21,235 | 1.78 | +4,618 | +27.79 | 1,400,000 | 1,400,000 |
| 2025-10-31 | 1.19 | 16,617 | 1.00 | -16,650 | -50.05 | 1,400,000 | 1,400,000 |
| 2025-10-15 | 2.38 | 33,267 | 2.26 | -1,395 | -4.02 | 1,400,000 | 1,400,000 |
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.