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%).
Average return by month
Month-by-month statistics
| Month | Avg | Median | Up % | Best | Worst | Yrs |
|---|---|---|---|---|---|---|
| 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, %| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | -8.7 | 6.7 | -8.5 | -9.2 | -3.3 | 18.1 | 3.7 | 3.6 | -12.9 | 17.9 | 4.8 | +6.8% | |
| 2025 | -11.0 | 3.7 | 5.6 | -7.9 | 3.9 | -6.0 | -8.6 | 2.6 | -3.7 | -9.6 | 4.6 | 3.8 | -22.4% |
| 2024 | 2.4 | 7.4 | 1.4 | -4.8 | 3.3 | -3.6 | 7.0 | 2.3 | 0.6 | 0.6 | 12.8 | -6.3 | +23.8% |
| 2023 | 0.9 | 4.1 | -3.6 | 4.6 | -10.9 | 10.2 | -2.2 | -1.4 | 3.3 | -1.9 | 1.8 | -1.8 | +1.4% |
| 2022 | -6.5 | -3.1 | 9.0 | 3.8 | 5.5 | -3.7 | -5.7 | -0.2 | -6.7 | 27.1 | 0.0 | 0.9 | +17.1% |
| 2021 | -7.1 | 7.8 | 6.9 | -0.1 | -5.4 | -0.8 | 3.6 | 0.8 | -8.2 | 8.0 | -5.1 | 9.1 | +7.6% |
| 2020 | 3.3 | -13.6 | 9.4 | -17.2 | 8.4 | 4.0 | 7.3 | 6.4 | -10.7 | 3.5 | 10.4 | 8.8 | +15.7% |
| 2019 | -4.3 | 6.8 | 1.7 | 13.3 | 5.6 | -0.2 | 5.2 | 1.6 | 1.5 | 4.8 | -6.1 | -1.5 | +30.5% |
| 2018 | 5.9 | -5.4 | 4.3 | -0.2 | 3.8 | 0.8 | 12.9 | 3.0 | 2.1 | -5.9 | 2.6 | -9.0 | +13.7% |
| 2017 | -5.9 | -1.6 | 2.7 | -4.7 | -2.9 | -1.7 | 6.3 | -7.8 | 7.2 | 3.0 | 1.1 | 1.6 | -3.9% |
| 2016 | 5.2 |