Innospec Inc. (IOSP)
NASDAQ: IOSP · Real-Time Price · USD
71.43
-0.68 (-0.94%)
At close: Mar 9, 2026, 4:00 PM EDT
70.06
-1.37 (-1.92%)
After-hours: Mar 9, 2026, 4:10 PM EDT
Innospec Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Mar 9, 2026 | 70.97 | 72.02 | 69.23 | 71.43 | 71.43 | -0.94% | 294,868 |
| Mar 6, 2026 | 73.28 | 74.00 | 70.86 | 72.11 | 72.11 | -2.84% | 191,104 |
| Mar 5, 2026 | 76.32 | 76.56 | 74.18 | 74.22 | 74.22 | -3.64% | 155,624 |
| Mar 4, 2026 | 76.79 | 77.35 | 75.00 | 77.02 | 77.02 | 0.85% | 192,712 |
| Mar 3, 2026 | 75.42 | 76.76 | 74.10 | 76.37 | 76.37 | -0.87% | 219,754 |
| Mar 2, 2026 | 75.96 | 77.30 | 75.08 | 77.04 | 77.04 | 0.60% | 186,079 |
| Feb 27, 2026 | 77.08 | 77.26 | 75.50 | 76.58 | 76.58 | -1.29% | 199,794 |
| Feb 26, 2026 | 78.48 | 78.54 | 76.88 | 77.58 | 77.58 | -0.73% | 168,740 |
| Feb 25, 2026 | 79.41 | 79.41 | 77.09 | 78.15 | 78.15 | -1.45% | 268,488 |
| Feb 24, 2026 | 79.10 | 80.22 | 78.67 | 79.30 | 79.30 | 0.41% | 278,825 |
| Feb 23, 2026 | 81.09 | 81.14 | 78.00 | 78.98 | 78.98 | -2.76% | 292,398 |
| Feb 20, 2026 | 82.52 | 82.84 | 80.76 | 81.22 | 81.22 | -1.74% | 225,702 |
| Feb 19, 2026 | 85.01 | 86.15 | 81.51 | 82.66 | 82.66 | -4.28% | 283,267 |
| Feb 18, 2026 | 89.46 | 92.14 | 85.84 | 86.36 | 86.36 | 0.26% | 346,818 |
| Feb 17, 2026 | 86.84 | 87.53 | 85.02 | 86.14 | 86.14 | -0.51% | 247,614 |
| Feb 13, 2026 | 87.10 | 87.24 | 86.24 | 86.58 | 86.58 | -0.35% | 197,914 |
| Feb 12, 2026 | 88.52 | 90.13 | 85.98 | 86.88 | 86.88 | -1.74% | 243,223 |
| Feb 11, 2026 | 87.97 | 89.01 | 87.56 | 88.42 | 88.42 | 0.79% | 182,089 |
| Feb 10, 2026 | 86.53 | 88.13 | 86.04 | 87.73 | 87.73 | 1.85% | 174,780 |
| Feb 9, 2026 | 86.19 | 86.38 | 85.21 | 86.14 | 86.14 | -0.20% | 196,606 |
| Feb 6, 2026 | 86.19 | 87.25 | 85.84 | 86.31 | 86.31 | 0.37% | 158,618 |
| Feb 5, 2026 | 86.50 | 87.04 | 85.17 | 85.99 | 85.99 | -1.04% | 136,506 |
| Feb 4, 2026 | 84.80 | 88.16 | 84.69 | 86.89 | 86.89 | 3.49% | 189,488 |
| Feb 3, 2026 | 84.14 | 86.20 | 82.53 | 83.96 | 83.96 | 0.55% | 230,600 |
| Feb 2, 2026 | 81.37 | 83.86 | 80.76 | 83.50 | 83.50 | 2.18% | 264,518 |
| Jan 30, 2026 | 80.66 | 81.97 | 80.20 | 81.72 | 81.72 | 0.38% | 189,453 |
| Jan 29, 2026 | 79.28 | 81.64 | 78.97 | 81.41 | 81.41 | 2.71% | 143,446 |
| Jan 28, 2026 | 79.88 | 79.88 | 78.77 | 79.26 | 79.26 | -0.34% | 101,494 |
| Jan 27, 2026 | 79.80 | 80.71 | 79.31 | 79.53 | 79.53 | -0.91% | 75,383 |
| Jan 26, 2026 | 80.73 | 81.30 | 79.84 | 80.26 | 80.26 | -0.71% | 89,127 |
| Jan 23, 2026 | 81.20 | 81.97 | 80.07 | 80.83 | 80.83 | -1.00% | 96,610 |
| Jan 22, 2026 | 81.14 | 82.53 | 81.12 | 81.65 | 81.65 | 0.62% | 76,813 |
| Jan 21, 2026 | 79.85 | 81.30 | 79.23 | 81.15 | 81.15 | 2.40% | 134,484 |
| Jan 20, 2026 | 78.70 | 79.39 | 78.00 | 79.25 | 79.25 | -0.76% | 156,743 |
| Jan 16, 2026 | 81.52 | 81.98 | 79.71 | 79.86 | 79.86 | -2.48% | 150,856 |
| Jan 15, 2026 | 80.89 | 82.36 | 80.88 | 81.89 | 81.89 | 1.29% | 132,046 |
| Jan 14, 2026 | 80.27 | 81.32 | 79.91 | 80.85 | 80.85 | 0.84% | 124,032 |
| Jan 13, 2026 | 80.42 | 80.79 | 79.41 | 80.18 | 80.18 | -0.48% | 126,064 |
| Jan 12, 2026 | 79.82 | 81.52 | 79.44 | 80.57 | 80.57 | 0.66% | 113,770 |
| Jan 9, 2026 | 79.93 | 80.32 | 78.17 | 80.04 | 80.04 | 0.06% | 113,217 |
| Jan 8, 2026 | 78.00 | 80.69 | 77.31 | 79.99 | 79.99 | 1.92% | 196,907 |
| Jan 7, 2026 | 78.65 | 79.10 | 77.32 | 78.48 | 78.48 | -0.17% | 162,470 |
| Jan 6, 2026 | 77.93 | 78.93 | 77.40 | 78.61 | 78.61 | 0.49% | 279,964 |
| Jan 5, 2026 | 76.08 | 78.90 | 76.08 | 78.23 | 78.23 | 2.56% | 215,906 |
| Jan 2, 2026 | 76.70 | 77.71 | 75.40 | 76.28 | 76.28 | -0.34% | 141,652 |
| Dec 31, 2025 | 77.95 | 78.12 | 76.48 | 76.54 | 76.54 | -2.05% | 127,549 |
| Dec 30, 2025 | 78.39 | 79.19 | 77.56 | 78.14 | 78.14 | -0.53% | 121,451 |
| Dec 29, 2025 | 78.54 | 78.64 | 78.01 | 78.56 | 78.56 | 0.20% | 105,357 |
| Dec 26, 2025 | 78.00 | 78.64 | 77.35 | 78.40 | 78.40 | 0.36% | 83,060 |
| Dec 24, 2025 | 78.55 | 78.55 | 77.91 | 78.12 | 78.12 | 0.05% | 45,247 |
| Dec 23, 2025 | 77.76 | 78.35 | 77.36 | 78.08 | 78.08 | 0.26% | 122,249 |
| Dec 22, 2025 | 77.46 | 79.19 | 77.46 | 77.88 | 77.88 | 0.32% | 145,771 |
| Dec 19, 2025 | 78.85 | 79.32 | 77.41 | 77.63 | 77.63 | -2.12% | 886,981 |
| Dec 18, 2025 | 79.16 | 79.81 | 78.76 | 79.31 | 79.31 | 0.44% | 308,874 |
| Dec 17, 2025 | 77.83 | 79.62 | 76.55 | 78.96 | 78.96 | 1.24% | 373,787 |
| Dec 16, 2025 | 78.24 | 78.45 | 77.51 | 77.99 | 77.99 | -0.50% | 266,059 |
| Dec 15, 2025 | 78.34 | 78.54 | 77.40 | 78.38 | 78.38 | 0.24% | 248,497 |
| Dec 12, 2025 | 78.99 | 79.29 | 77.95 | 78.19 | 78.19 | -0.55% | 194,651 |
| Dec 11, 2025 | 78.90 | 79.20 | 78.07 | 78.62 | 78.62 | 0.18% | 558,632 |
| Dec 10, 2025 | 76.10 | 79.39 | 75.87 | 78.48 | 78.48 | 3.30% | 377,109 |
| Dec 9, 2025 | 74.92 | 76.52 | 74.92 | 75.97 | 75.97 | 1.36% | 327,559 |
| Dec 8, 2025 | 75.13 | 76.78 | 74.53 | 74.95 | 74.95 | -0.12% | 243,417 |
| Dec 5, 2025 | 73.70 | 75.19 | 73.62 | 75.04 | 75.04 | 1.39% | 230,644 |
| Dec 4, 2025 | 74.77 | 74.93 | 73.72 | 74.01 | 74.01 | -1.12% | 116,106 |
| Dec 3, 2025 | 74.37 | 75.75 | 73.16 | 74.85 | 74.85 | 0.65% | 202,185 |
| Dec 2, 2025 | 74.21 | 74.53 | 72.96 | 74.37 | 74.37 | 0.49% | 285,945 |
| Dec 1, 2025 | 74.21 | 75.57 | 73.94 | 74.01 | 74.01 | -1.00% | 344,913 |
| Nov 28, 2025 | 74.43 | 74.94 | 74.09 | 74.76 | 74.76 | 0.28% | 96,526 |
| Nov 26, 2025 | 74.01 | 75.38 | 73.47 | 74.55 | 74.55 | 0.03% | 780,714 |
| Nov 25, 2025 | 71.60 | 74.60 | 71.40 | 74.53 | 74.53 | 4.90% | 275,331 |
| Nov 24, 2025 | 71.86 | 72.15 | 70.19 | 71.05 | 71.05 | -1.50% | 648,736 |
| Nov 21, 2025 | 70.77 | 73.22 | 70.10 | 72.13 | 72.13 | 2.14% | 257,481 |
| Nov 20, 2025 | 71.62 | 71.69 | 70.18 | 70.62 | 70.62 | -0.35% | 211,687 |
| Nov 19, 2025 | 71.05 | 71.99 | 70.48 | 70.87 | 70.87 | -0.39% | 250,874 |
| Nov 18, 2025 | 71.76 | 71.88 | 70.34 | 71.15 | 71.15 | -1.50% | 250,005 |
| Nov 17, 2025 | 73.75 | 74.59 | 72.05 | 72.23 | 71.36 | -2.51% | 233,456 |
| Nov 14, 2025 | 74.50 | 75.47 | 73.50 | 74.09 | 73.20 | -0.91% | 145,190 |
| Nov 13, 2025 | 74.50 | 76.15 | 74.23 | 74.77 | 73.87 | -0.12% | 132,618 |
| Nov 12, 2025 | 75.43 | 76.31 | 74.83 | 74.86 | 73.96 | -1.06% | 227,485 |
| Nov 11, 2025 | 75.37 | 75.96 | 75.00 | 75.66 | 74.75 | 0.79% | 89,776 |
| Nov 10, 2025 | 77.05 | 77.05 | 74.68 | 75.07 | 74.17 | -1.82% | 200,724 |
| Nov 7, 2025 | 73.39 | 76.61 | 73.39 | 76.46 | 75.54 | 4.04% | 249,807 |
| Nov 6, 2025 | 73.75 | 74.88 | 73.00 | 73.49 | 72.60 | -0.70% | 351,471 |
| Nov 5, 2025 | 71.87 | 76.00 | 71.06 | 74.01 | 73.12 | 2.42% | 275,493 |
| Nov 4, 2025 | 73.28 | 73.58 | 72.07 | 72.26 | 71.39 | -1.89% | 212,702 |
| Nov 3, 2025 | 73.56 | 74.05 | 71.82 | 73.65 | 72.76 | 0.10% | 209,864 |
| Oct 31, 2025 | 72.39 | 73.85 | 72.03 | 73.58 | 72.69 | 0.66% | 175,465 |
| Oct 30, 2025 | 73.40 | 73.85 | 72.33 | 73.10 | 72.22 | -0.52% | 210,377 |
| Oct 29, 2025 | 74.78 | 75.33 | 72.74 | 73.48 | 72.59 | -2.37% | 241,176 |
| Oct 28, 2025 | 75.13 | 75.73 | 74.38 | 75.26 | 74.35 | 0.05% | 167,908 |
| Oct 27, 2025 | 76.51 | 76.51 | 75.08 | 75.22 | 74.31 | -1.43% | 101,978 |
| Oct 24, 2025 | 76.06 | 76.47 | 75.28 | 76.31 | 75.39 | 0.87% | 129,996 |
| Oct 23, 2025 | 76.11 | 76.44 | 75.08 | 75.65 | 74.74 | -0.32% | 109,102 |
| Oct 22, 2025 | 74.67 | 76.06 | 74.67 | 75.89 | 74.98 | 1.40% | 153,421 |
| Oct 21, 2025 | 74.15 | 75.64 | 73.39 | 74.84 | 73.94 | 0.60% | 98,469 |
| Oct 20, 2025 | 74.39 | 75.52 | 73.82 | 74.39 | 73.49 | 0.42% | 141,328 |
| Oct 17, 2025 | 73.98 | 74.81 | 73.60 | 74.08 | 73.19 | -0.15% | 116,925 |
| Oct 16, 2025 | 74.90 | 75.13 | 73.92 | 74.19 | 73.30 | -0.99% | 165,919 |
| Oct 15, 2025 | 74.88 | 75.59 | 74.30 | 74.93 | 74.03 | 0.67% | 126,504 |
| Oct 14, 2025 | 73.67 | 74.88 | 73.58 | 74.43 | 73.53 | -0.12% | 111,493 |