OLN
Olin Corp.
stockNYSE
At CloseOct 9, 2026 3:59:57 PM EDT
14.89USD-4.612%(-0.72)4,277,771
Pre-marketOct 9, 2026 9:23:30 AM EDT
15.75USD+0.897%(+0.14)
After-hoursOct 9, 2026 4:35:30 PM EDT
14.90USD+0.067%(+0.01)
As of 2026-09-30, there were 14,162,017 shares short with a short interest of 12.50%.
OLN Short Interest - Official
Short Interest
OLN Short Position Change - Official
Short Position Change
OLN 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 | 12.50 | 14,162,017 | 5.22 | +1,247,825 | +9.66 | 113,982,490 | 113,262,545 |
| 2026-09-15 | 11.40 | 12,914,192 | 5.30 | +1,363,973 | +11.81 | 113,982,490 | 113,262,545 |
| 2026-08-31 | 10.20 | 11,550,219 | 4.03 | +458,638 | +4.14 | 113,982,490 | 113,262,545 |
| 2026-08-14 | 9.79 | 11,091,581 | 3.58 | -1,231,595 | -9.99 | 113,982,490 | 113,262,545 |
| 2026-07-31 | 10.88 | 12,323,176 | 3.72 | -1,961,949 | -13.73 | 113,982,490 | 113,262,545 |
| 2026-07-15 | 12.62 | 14,285,125 | 4.22 | -1,630,513 | -10.24 | 113,982,490 | 113,179,074 |
| 2026-06-30 | 14.06 | 15,915,638 | 3.34 | +718,879 | +4.73 | 113,978,277 | 113,177,935 |
| 2026-06-15 | 13.43 | 15,196,759 | 8.10 | +3,753,335 | +32.80 | 113,897,769 | 113,180,213 |
| 2026-05-15 | 10.09 | 11,443,424 | 4.83 | -211,686 | -1.82 | 113,897,769 | 113,394,343 |
| 2026-04-30 | 10.27 | 11,655,110 | 5.81 | +609,770 | +5.52 | 113,857,037 | 113,521,250 |
| 2026-04-15 | 9.73 | 11,045,340 | 4.22 | -2,499,105 | -18.45 | 113,857,037 | 113,521,250 |
| 2026-03-31 | 11.93 | 13,544,445 | 4.52 | -1,612,323 | -10.64 | 113,857,037 | 113,521,250 |
| 2026-03-13 | 13.35 | 15,156,768 | 4.26 | +555,577 | +3.81 | 113,636,799 | 113,521,250 |
| 2026-02-27 | 12.86 | 14,601,191 | 5.30 | -457,721 | -3.04 | 113,636,799 | 113,521,250 |
| 2026-02-13 | 13.27 | 15,058,912 | 4.04 | +1,201,617 | +8.67 | 113,600,000 | 113,521,250 |
| 2026-01-30 | 12.21 | 13,857,295 | 3.53 | +2,030,192 | +17.17 | 113,600,000 | 113,521,250 |
| 2026-01-15 | 10.42 | 11,827,103 | 3.99 | +1,255,101 | +11.87 | 114,121,529 | 113,521,250 |
| 2025-12-31 | 9.31 | 10,572,002 | 5.69 | +505,366 | +5.02 | 114,121,529 | 113,521,250 |
| 2025-12-15 | 8.87 | 10,066,636 | 3.66 | +253,410 | +2.58 | 114,121,529 | 113,521,250 |
| 2025-11-28 | 8.64 | 9,813,226 | 3.90 | +764,688 | +8.45 | 114,121,529 | 113,521,250 |
| 2025-11-14 | 7.97 | 9,048,538 | 3.44 | +643,793 | +7.66 | 114,121,529 | 113,473,319 |
| 2025-10-31 | 7.39 | 8,404,745 | 2.93 | +725,890 | +9.45 | 114,121,529 | 113,712,644 |
| 2025-10-15 | 6.74 | 7,678,855 | 3.20 | -1,079,326 | -12.32 | 114,641,535 | 113,993,810 |
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.