Seasonality

IOSP seasonality — Innospec, Inc.

Over the last 11 years, IOSP's strongest month on average has been November (+8.6%) and its weakest September (-3.4%).

IOSP overview →

Average return by month

Month-by-month statistics

MonthAvgMedianUp %BestWorstYrs
Jan+3.05%+2.94%70%+13.8%-5.8%10
Feb-0.96%-4.72%40%+16.5%-14.1%10
Mar-2.94%-1.97%40%+5.6%-19.7%10
Apr+0.28%+1.85%60%+6.0%-6.9%10
May+1.85%+4.65%60%+9.0%-9.1%10
Jun-0.08%-0.68%40%+13.1%-10.4%10
Jul+1.81%+3.99%60%+6.7%-5.0%10
Aug-2.24%-2.39%40%+9.6%-12.1%10
Sep-3.35%-3.37%30%+11.1%-15.2%10
Oct+1.01%+1.41%60%+16.7%-12.8%10
Nov+8.57%+10.05%89%+24.4%-10.4%9
Dec+1.88%+3.32%60%+17.3%-16.2%10

Monthly returns heat map — IOSP

price return, %
YearJanFebMarAprMayJunJulAugSepOctNovDecYear
2026 6.8-6.3-4.74.48.8-1.95.69.21.64.8-21.7 +2.2%
2025 3.0-8.8-8.4-5.6-4.9-1.2-5.09.6-11.9-4.61.62.4 -30.5%
2024 -5.87.03.8-6.99.0-5.56.1-12.1-1.9-4.710.1-7.2 -10.7%
2023 9.9-3.1-6.2-1.0-9.18.86.70.3-4.9-4.17.217.3 +19.8%
2022 2.92.7-3.13.07.0-6.16.5-8.4-8.316.710.9-7.2 +13.9%
2021 -3.214.42.2-5.13.8-10.4-2.45.8-10.07.6-10.411.3 -0.4%
2020 -2.6-14.1-19.74.46.30.2-2.7-0.6-15.24.524.410.3 -12.3%
2019 13.816.51.81.8-4.813.12.4-10.97.22.57.75.1 +67.5%
2018 1.7-9.55.66.05.5-0.25.8-4.1-1.1-12.810.2-16.2 -12.5%
2017 4.2-8.5-0.81.9-3.02.4-4.8-11.111.10.315.4-1.1 +3.1%
2016 4.3