Innospec Inc. (IOSP)

Showing Closing Date Range from May 3 to Oct 30, 2026 compared to Nov 3, 2025 to May 2, 2026.

Compare Last 6 Months with Previous Period

Current Period Close
$99.89
May 03, 2026 - Oct 30, 2026
Previous Period Close
$76.83
Nov 03, 2025 - May 02, 2026
Net Comparison Delta
+$23.06 (+30.01%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(122 dates)
Current DateCurrent ClosePrevious DatePrevious CloseDelta (%)
Oct 30, 2026$99.89Apr 29, 2026$75.61+32.11%
Oct 29, 2026$101.41Apr 28, 2026$76.64+32.32%
Oct 28, 2026$100.70Apr 27, 2026$77.68+29.63%
Oct 27, 2026$99.92Apr 24, 2026$77.15+29.51%
Oct 26, 2026$99.18Apr 23, 2026$76.66+29.38%
Oct 23, 2026$98.64Apr 22, 2026$74.97+31.57%
Oct 22, 2026$98.67Apr 21, 2026$75.47+30.74%
Oct 21, 2026$99.64Apr 20, 2026$75.48+32.01%
Oct 20, 2026$99.16Apr 17, 2026$76.19+30.15%
Oct 19, 2026$97.99Apr 16, 2026$75.09+30.50%
Oct 16, 2026$96.81Apr 15, 2026$74.66+29.67%
Oct 15, 2026$96.60Apr 14, 2026$75.22+28.42%
Oct 14, 2026$97.10Apr 13, 2026$76.57+26.81%
Oct 13, 2026$97.43Apr 10, 2026$75.66+28.77%
Oct 12, 2026$95.66Apr 09, 2026$75.83+26.15%
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