Seasonality

RLI seasonality — RLI Corp.

Over the last 11 years, RLI's strongest month on average has been October (+4.8%) and its weakest January (-3.1%).

RLI overview →

Average return by month

Month-by-month statistics

MonthAvgMedianUp %BestWorstYrs
Jan-3.09%-5.10%40%+5.9%-11.0%10
Feb+1.28%+3.93%60%+7.8%-13.6%10
Mar+2.89%+3.47%80%+9.4%-8.5%10
Apr-2.23%-2.42%30%+13.3%-17.2%10
May+0.79%+3.53%60%+8.4%-10.9%10
Jun+1.69%-0.52%40%+18.1%-6.0%10
Jul+2.95%+4.42%70%+12.9%-8.6%10
Aug+1.09%+1.96%70%+6.4%-7.8%10
Sep-2.76%-1.57%50%+7.2%-12.9%10
Oct+4.75%+3.28%70%+27.1%-9.6%10
Nov+2.44%+1.77%67%+12.8%-6.1%9
Dec+1.06%+1.24%60%+9.1%-9.0%10

Monthly returns heat map — RLI

price return, %
YearJanFebMarAprMayJunJulAugSepOctNovDecYear
2026 -8.76.7-8.5-9.2-3.318.13.73.6-12.917.94.8 +6.8%
2025 -11.03.75.6-7.93.9-6.0-8.62.6-3.7-9.64.63.8 -22.4%
2024 2.47.41.4-4.83.3-3.67.02.30.60.612.8-6.3 +23.8%
2023 0.94.1-3.64.6-10.910.2-2.2-1.43.3-1.91.8-1.8 +1.4%
2022 -6.5-3.19.03.85.5-3.7-5.7-0.2-6.727.10.00.9 +17.1%
2021 -7.17.86.9-0.1-5.4-0.83.60.8-8.28.0-5.19.1 +7.6%
2020 3.3-13.69.4-17.28.44.07.36.4-10.73.510.48.8 +15.7%
2019 -4.36.81.713.35.6-0.25.21.61.54.8-6.1-1.5 +30.5%
2018 5.9-5.44.3-0.23.80.812.93.02.1-5.92.6-9.0 +13.7%
2017 -5.9-1.62.7-4.7-2.9-1.76.3-7.87.23.01.11.6 -3.9%
2016 5.2