Seasonality
ISRG seasonality — Intuitive Surgical
Over the last 11 years, ISRG's strongest month on average has been November (+6.4%) and its weakest September (-1.0%).
Average return by month
Month-by-month statistics
| Month | Avg | Median | Up % | Best | Worst | Yrs |
|---|---|---|---|---|---|---|
| Jan | +0.53% | +1.96% | 50% | +18.3% | -20.9% | 10 |
| Feb | +0.13% | +0.04% | 50% | +6.4% | -6.6% | 10 |
| Mar | -0.52% | +1.89% | 60% | +11.4% | -13.6% | 10 |
| Apr | +1.91% | +3.65% | 60% | +17.9% | -20.7% | 10 |
| May | +2.13% | +3.24% | 60% | +13.5% | -9.0% | 10 |
| Jun | +2.85% | +3.18% | 60% | +12.8% | -11.8% | 10 |
| Jul | +2.05% | +0.13% | 50% | +20.3% | -11.5% | 10 |
| Aug | +3.02% | +6.44% | 60% | +10.8% | -10.6% | 10 |
| Sep | -0.97% | -1.60% | 40% | +7.9% | -8.9% | 10 |
| Oct | +5.33% | +4.40% | 70% | +31.5% | -10.3% | 10 |
| Nov | +6.38% | +7.34% | 89% | +18.5% | -10.2% | 9 |
| Dec | +0.49% | -1.36% | 30% | +12.7% | -9.8% | 10 |
Monthly returns heat map — ISRG
price return, %| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | -11.0 | -0.1 | -8.4 | -0.7 | -7.2 | -6.3 | -11.2 | 6.7 | 7.9 | 6.2 | 4.8 | -20.1% | |
| 2025 | 9.6 | 0.2 | -13.6 | 4.2 | 7.1 | -1.6 | -11.5 | -1.6 | -5.5 | 19.5 | 7.3 | -1.2 | +8.5% |
| 2024 | 12.1 | 1.9 | 3.5 | -7.1 | 8.5 | 10.6 | -0.1 | 10.8 | -0.3 | 2.6 | 7.6 | -3.7 | +54.7% |
| 2023 | -7.4 | -6.6 | 11.4 | 17.9 | 2.2 | 11.1 | -5.1 | -3.6 | -6.5 | -10.3 | 18.5 | 8.5 | +27.1% |
| 2022 | -20.9 | 2.2 | 3.9 | -20.7 | -4.9 | -11.8 | 14.7 | -10.6 | -8.9 | 31.5 | 9.7 | -1.9 | -26.1% |
| 2021 | -8.6 | -1.4 | 0.3 | 17.1 | -2.6 | 9.2 | 7.8 | 6.3 | -5.6 | 9.0 | -10.2 | 10.8 | +31.8% |
| 2020 | -5.3 | -4.6 | -7.3 | 3.2 | 13.5 | -1.8 | 20.3 | 6.6 | -2.9 | -6.0 | 8.8 | 12.7 | +38.4% |
| 2019 | 9.3 | 4.6 | 4.2 | -10.5 | -9.0 | 12.8 | -1.0 | -1.6 | 5.6 | 2.4 | 7.2 | -0.3 | +23.4% |
| 2018 | 18.3 | -1.2 | -3.2 | 6.8 | 4.3 | 4.1 | 6.2 | 10.2 | 2.5 | -9.2 | 1.9 | -9.8 | +31.2% |
| 2017 | 9.2 | 6.4 | 4.0 | 9.1 | 9.4 | 2.3 | 0.3 | 7.1 | 4.1 | 7.7 | 6.5 | -8.7 | +72.6% |
| 2016 | -1.5 |