Seasonality
GFF seasonality — Griffon Corporation
Over the last 11 years, GFF's strongest month on average has been November (+6.9%) and its weakest March (-5.6%).
Average return by month
Month-by-month statistics
| Month | Avg | Median | Up % | Best | Worst | Yrs |
|---|---|---|---|---|---|---|
| Jan | +6.57% | +4.29% | 60% | +52.2% | -21.4% | 10 |
| Feb | +1.23% | +0.88% | 50% | +22.6% | -16.3% | 10 |
| Mar | -5.62% | -2.20% | 30% | +10.4% | -27.3% | 10 |
| Apr | +3.44% | -1.41% | 40% | +29.7% | -11.1% | 10 |
| May | +5.98% | +1.66% | 60% | +71.4% | -26.7% | 10 |
| Jun | +3.09% | +3.21% | 60% | +27.9% | -21.6% | 10 |
| Jul | +2.84% | +2.04% | 60% | +23.5% | -11.7% | 10 |
| Aug | +0.23% | +1.16% | 60% | +13.0% | -9.5% | 10 |
| Sep | +1.01% | -2.24% | 40% | +20.2% | -11.5% | 10 |
| Oct | +0.09% | +1.60% | 70% | +9.7% | -24.9% | 10 |
| Nov | +6.87% | +1.34% | 67% | +34.1% | -2.8% | 9 |
| Dec | -0.04% | -2.03% | 40% | +31.0% | -15.5% | 10 |
Monthly returns heat map — GFF
price return, %| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 10.6 | 4.7 | -14.7 | 25.4 | -3.5 | 10.8 | -11.7 | 13.0 | -4.5 | 8.7 | -0.1 | +37.2% | |
| 2025 | 6.3 | -4.5 | -1.2 | -4.7 | 0.9 | 5.3 | 12.3 | -6.3 | -0.0 | -2.8 | 1.3 | -1.8 | +3.3% |
| 2024 | -4.4 | 22.6 | 2.7 | -10.7 | 3.1 | -5.5 | 12.8 | -8.2 | 5.8 | -10.2 | 34.1 | -15.5 | +16.9% |
| 2023 | 14.2 | -10.8 | -12.2 | -11.1 | 10.8 | 27.9 | 3.5 | 0.4 | -5.2 | 0.7 | 16.5 | 31.0 | +70.3% |
| 2022 | -21.4 | 3.0 | -13.1 | -6.6 | 71.4 | -12.6 | 7.1 | 4.5 | -5.8 | 8.9 | 9.9 | 1.4 | +25.7% |
| 2021 | 10.2 | 9.5 | 10.4 | -0.2 | -3.1 | -2.5 | -9.8 | 4.7 | 1.6 | 7.7 | -0.7 | 8.2 | +39.7% |
| 2020 | 2.3 | -16.3 | -27.3 | 29.7 | 2.4 | 10.2 | 23.5 | -5.0 | -10.1 | 9.7 | -2.8 | -2.2 | +0.2% |
| 2019 | 52.2 | 12.1 | 3.6 | 6.2 | -26.7 | 17.7 | -3.4 | 6.7 | 20.2 | 1.6 | -0.4 | -4.2 | +94.5% |
| 2018 | -1.5 | -6.7 | -2.4 | 9.0 | 14.1 | -21.6 | 0.6 | 2.0 | -11.5 | -24.9 | 0.3 | -14.1 | -48.6% |
| 2017 | -2.9 | -1.2 | -2.0 | -2.6 | -9.6 | 1.1 | -6.6 | -9.5 | 19.7 | 1.6 | 3.5 | -12.8 | -22.3% |
| 2016 | 9.6 |