IOSP short interest
Innospec Inc. · Basic Materials · Chemicals - Specialty · settlement date 2026-09-30
| Shares short | 492,111 |
|---|---|
| Change vs prior report | -18,941 (-3.7%) |
| Change over six months | +21.9% |
| Days to cover | 1.87 (sector: 2.35) |
| Average daily volume | 263,066 |
| Rank in Basic Materials | #228 of 278 by days to cover |
IOSP short interest, last 12 months
| Settlement | Shares short | Change | Days to cover | Avg daily volume |
|---|---|---|---|---|
| 2026-09-30 | 492,111 | -3.7% | 1.87 | 263,066 |
| 2026-09-15 | 511,052 | +9.5% | 3.41 | 149,831 |
| 2026-08-31 | 466,734 | +0.6% | 2.83 | 164,947 |
| 2026-08-14 | 463,878 | +1.9% | 2.39 | 194,077 |
| 2026-07-31 | 455,159 | -6.1% | 2.97 | 153,371 |
| 2026-07-15 | 484,889 | -0.5% | 3.72 | 130,422 |
| 2026-06-30 | 487,124 | +19.3% | 1.97 | 247,835 |
| 2026-06-15 | 408,184 | +8.9% | 2.16 | 189,274 |
| 2026-05-29 | 374,725 | +9.8% | 2.07 | 181,113 |
| 2026-05-15 | 341,197 | -30.5% | 1.22 | 280,059 |
| 2026-04-30 | 490,802 | +6.5% | 3.17 | 154,811 |
| 2026-04-15 | 460,752 | +14.2% | 2.15 | 213,835 |
| 2026-03-31 | 403,648 | +25.7% | 1.12 | 360,134 |
| 2026-03-13 | 321,014 | -24.3% | 1.39 | 230,678 |
| 2026-02-27 | 423,870 | +10.4% | 1.77 | 239,790 |
| 2026-02-13 | 383,909 | +28.9% | 1.96 | 195,715 |
| 2026-01-30 | 297,899 | -17.2% | 2.47 | 120,554 |
| 2026-01-15 | 359,671 | -31.0% | 2.26 | 159,161 |
| 2025-12-31 | 521,031 | +21.9% | 2.23 | 234,140 |
| 2025-12-15 | 427,466 | -12.8% | 1.51 | 282,415 |
| 2025-11-28 | 490,030 | +10.0% | 1.48 | 330,733 |
| 2025-11-14 | 445,524 | -15.5% | 2.15 | 207,247 |
| 2025-10-31 | 527,372 | -8.9% | 3.52 | 149,854 |
| 2025-10-15 | 579,072 | +36.6% | 3.10 | 186,503 |
| 2025-09-30 | 423,951 | +26.7% | 1.52 | 278,289 |
import finzdata as yf
yf.Ticker("IOSP").short_interest # every report since 2017
yf.Client().short_interest(["IOSP"], start="2018-01-01")Basic Materials short interest · IOSP price history · Who owns IOSP · All short interest