Seasonality
OSIS seasonality — OSI Systems, Inc.
Over the last 11 years, OSIS's strongest month on average has been November (+8.0%) and its weakest December (-3.1%).
Average return by month
Month-by-month statistics
| Month | Avg | Median | Up % | Best | Worst | Yrs |
|---|---|---|---|---|---|---|
| Jan | +2.83% | -1.35% | 40% | +22.4% | -14.1% | 10 |
| Feb | +0.88% | -0.64% | 50% | +14.0% | -6.1% | 10 |
| Mar | -0.03% | +1.21% | 60% | +10.6% | -15.2% | 10 |
| Apr | +2.13% | +3.95% | 70% | +10.4% | -8.0% | 10 |
| May | +3.22% | +5.72% | 80% | +14.9% | -24.5% | 10 |
| Jun | +2.04% | +1.36% | 60% | +12.8% | -5.1% | 10 |
| Jul | +2.45% | +1.21% | 60% | +13.1% | -4.9% | 10 |
| Aug | +0.45% | +0.08% | 50% | +14.4% | -13.8% | 10 |
| Sep | -2.47% | -2.66% | 30% | +10.0% | -13.5% | 10 |
| Oct | -1.35% | -2.03% | 30% | +14.0% | -12.9% | 10 |
| Nov | +8.02% | +4.68% | 67% | +34.2% | -2.7% | 9 |
| Dec | -3.13% | +0.90% | 60% | +5.8% | -25.7% | 10 |
Monthly returns heat map — OSIS
price return, %| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | -1.9 | 14.0 | -6.9 | 8.1 | -24.5 | 0.9 | 1.2 | -6.1 | -6.5 | 2.6 | -1.5 | -23.0% | |
| 2025 | 17.3 | 5.0 | -5.8 | 5.3 | 7.0 | 2.6 | -1.7 | 4.1 | 8.3 | 11.7 | -2.7 | -5.8 | +52.3% |
| 2024 | -0.8 | 2.5 | 8.9 | -8.0 | 9.4 | -4.3 | 7.6 | 1.3 | 1.3 | -12.9 | 34.2 | -5.6 | +29.7% |
| 2023 | 19.1 | -2.3 | 10.6 | 10.4 | 5.4 | -1.0 | 1.2 | 14.4 | -13.4 | -11.7 | 18.2 | 4.7 | +62.3% |
| 2022 | -11.0 | -2.7 | 5.5 | -7.1 | 6.1 | 1.8 | 13.1 | -13.8 | -13.5 | 14.0 | 7.7 | -10.1 | -14.7% |
| 2021 | -3.4 | 5.1 | 1.6 | 0.5 | -0.2 | 5.5 | -1.6 | -1.1 | -4.2 | -1.8 | -2.3 | 2.5 | -0.0% |
| 2020 | -14.1 | -6.1 | -15.2 | 5.0 | 4.7 | -1.5 | -4.9 | 11.0 | -1.4 | -0.6 | 14.2 | 5.8 | -7.5% |
| 2019 | 22.4 | -3.2 | 0.9 | 2.9 | 14.9 | 8.7 | -0.1 | -6.7 | -3.3 | -2.3 | 0.2 | 1.3 | +37.4% |
| 2018 | 2.6 | -4.5 | 3.4 | -1.9 | 7.1 | 12.8 | 3.1 | -2.3 | -2.0 | -9.4 | 4.7 | 1.2 | +13.9% |
| 2017 | -1.9 | 1.0 | -3.2 | 6.0 | 2.3 | -5.1 | 6.4 | 3.9 | 10.0 | -3.3 | -1.9 | -25.7 | -15.4% |
| 2016 | 0.6 |