FSTR
Foster (Lb) Co
stockNASDAQ
At CloseOct 23, 2026 3:59:37 PM EDT
35.20USD-0.368%(-0.13)35,236
As of 2026-09-30, there were 289,878 shares short with a short interest of 2.99%.
FSTR Short Interest - Official
FSTR Short Position Change - Official
FSTR 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 | 2.99 | 289,878 | 6.73 | -7,709 | -2.59 | 10,519,763 | 9,684,633 |
| 2026-09-15 | 3.07 | 297,587 | 7.90 | +17,206 | +6.14 | 10,519,763 | 9,684,633 |
| 2026-08-31 | 2.90 | 280,381 | 5.23 | +32,171 | +12.96 | 10,519,763 | 9,684,633 |
| 2026-08-14 | 2.56 | 248,210 | 2.61 | -14,977 | -5.69 | 10,519,763 | 9,684,633 |
| 2026-07-31 | 2.72 | 263,187 | 3.74 | -3,747 | -1.40 | 10,458,680 | 9,684,633 |
| 2026-07-15 | 2.80 | 266,934 | 3.68 | +20,456 | +8.30 | 10,458,680 | 9,526,327 |
| 2026-06-30 | 2.59 | 246,478 | 1.98 | +69,410 | +39.20 | 10,458,680 | 9,526,756 |
| 2026-06-15 | 1.86 | 177,068 | 2.30 | +96,784 | +120.55 | 10,458,680 | 9,526,756 |
| 2026-05-15 | 0.84 | 80,284 | 1.00 | -33,831 | -29.65 | 10,458,680 | 9,569,616 |
| 2026-04-30 | 1.35 | 114,115 | 1.00 | +7,320 | +6.85 | 10,458,591 | 8,477,577 |
| 2026-04-15 | 1.26 | 106,795 | 1.01 | -43,053 | -28.73 | 10,458,591 | 8,477,577 |
| 2026-03-31 | 1.77 | 149,848 | 3.36 | -22,088 | -12.85 | 10,307,374 | 8,477,577 |
| 2026-03-13 | 2.03 | 171,936 | 6.18 | +26,107 | +17.90 | 10,307,374 | 8,477,577 |
| 2026-02-27 | 1.72 | 145,829 | 9.13 | -25,136 | -14.70 | 10,393,009 | 8,477,577 |
| 2026-02-13 | 2.02 | 170,965 | 8.05 | +10,772 | +6.72 | 10,393,009 | 8,477,577 |
| 2026-01-30 | 1.89 | 160,193 | 8.84 | -14,578 | -8.34 | 10,393,009 | 8,477,577 |
| 2026-01-15 | 2.06 | 174,771 | 8.75 | +3,455 | +2.02 | 10,393,009 | 8,477,577 |
| 2025-12-31 | 2.02 | 171,316 | 9.13 | +2,544 | +1.51 | 10,393,009 | 8,477,577 |
| 2025-12-15 | 1.99 | 168,772 | 5.11 | +18,048 | +11.97 | 10,393,009 | 8,477,577 |
| 2025-11-28 | 1.80 | 150,724 | 6.24 | +3,318 | +2.25 | 10,393,009 | 8,355,771 |
| 2025-11-14 | 1.77 | 147,406 | 5.44 | -4,459 | -2.94 | 10,393,009 | 8,341,429 |
| 2025-10-31 | 1.78 | 151,865 | 6.55 | -9,211 | -5.72 | 10,597,683 | 8,536,116 |
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.