| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | SUPN | SPY | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 · ytd | −3.1% | +13.6% | −5.6% | −7.1% | −3.8% | +0.7% | +0.1% | — | — | — | — | — | −6.3% | +7.5% | −13.8pp |
| 2025 | +6.1% | −16.4% | +2.2% | −0.8% | −2.4% | −0.6% | +11.4% | +28.5% | +5.9% | +15.4% | −17.3% | +9.0% | +37.4% | +17.7% | +19.7pp |
| 2024 | −4.4% | +7.3% | +14.8% | −11.8% | −9.9% | −1.4% | +11.5% | +17.9% | −11.3% | +9.3% | +7.3% | −1.1% | +24.9% | +24.9% | +0.1pp |
| 2023 | +15.0% | −8.3% | −3.6% | +1.7% | −10.1% | −9.3% | +2.1% | +3.7% | −13.4% | −13.5% | +14.3% | +6.2% | −18.9% | +26.2% | −45.0pp |
| 2022 | +5.8% | +3.6% | +1.2% | −13.7% | −0.1% | +3.8% | +9.8% | +7.8% | −1.1% | +1.2% | +7.1% | −2.9% | +22.3% | −18.2% | +40.5pp |
| 2021 | +16.8% | −8.6% | −2.6% | +16.3% | −2.0% | +3.1% | −14.5% | +4.6% | −3.1% | +11.9% | +0.4% | −2.7% | +15.9% | +28.7% | −12.8pp |
| 2020 · part | — | — | — | — | +3.1% | −1.5% | −6.3% | −1.2% | −5.2% | −11.9% | +16.0% | +18.1% | +7.5% | +18.3% | −10.8pp |
A month’s return is its month-end close over the prior month-end’s, so a year’s figure is exactly the product of its twelve monthly cells — no separate annualisation, no resampling. A blank cell means no return exists for that month (the series had not started, or it is the very first month-end, which has nothing to be measured against). Blank is never zero.
Basis. SUPN is on the total return (splits + dividends) basis, SPY on the total return (splits + dividends) basis. Both columns are on the same basis, so the Δ column is a like-for-like difference.
Partial years. A year marked “ytd” or “part” does not cover the full calendar year: either the stored history starts inside it (the figure is measured from the first month-end present) or the data stops before December (the figure runs through the last stored close). The row’s own tooltip names the exact boundary. It is never dressed up as a calendar-year return.
End of day. These are stored end-of-day closes, and the window is anchored on the LAST stored bar rather than today’s date — so the newest row ends where the data ends. Nothing here is intraday.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Years ⓘ | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 |
| Positive ⓘ | 67% | 50% | 50% | 33% | 14% | 43% | 71% | 83% | 17% | 67% | 83% | 50% |
| Median | +6.0% | −2.4% | −0.7% | −4.0% | −2.4% | −0.6% | +2.1% | +6.2% | −4.2% | +5.3% | +7.2% | +2.5% |
| Best | +16.8% | +13.6% | +14.8% | +16.3% | +3.1% | +3.8% | +11.5% | +28.5% | +5.9% | +15.4% | +16.0% | +18.1% |
| Worst | −4.4% | −16.4% | −5.6% | −13.7% | −10.1% | −9.3% | −14.5% | −1.2% | −13.4% | −13.5% | −17.3% | −2.9% |
| vs SPY ⓘ | +6.1pp | −1.9pp | −1.6pp | −2.4pp | −8.7pp | −3.3pp | +0.6pp | +8.6pp | +0.0pp | −1.0pp | +1.5pp | +2.3pp |
75 monthly observations across 2020–2026, benchmark SPY. The highlighted column is the current calendar month. Months are calendar months, not rolling 30-day windows.
