$206.73
-11.36 (-5.21%)
USD · as of 2026-08-21 · marketstack
Returns use ADJUSTED closes (splits + dividends).
Volume as VALUE TRADED — close × volume, in USD.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | OSIS | SPY | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 · ytd | −1.9% | +14.0% | −6.9% | +8.1% | −24.5% | +0.9% | +1.2% | −6.6% | — | — | — | — | −18.9% | +12.9% | −31.8pp |
| 2025 | +17.3% | +5.0% | −5.8% | +5.4% | +7.0% | +2.6% | −1.7% | +4.1% | +8.3% | +11.7% | −2.7% | −5.8% | +52.3% | +17.7% | +34.6pp |
| 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% | +24.9% | +4.9pp |
| 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% | +26.2% | +36.1pp |
| 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% | −18.2% | +3.5pp |
| 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% | +28.7% | −28.8pp |
| 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% | +18.3% | −25.8pp |
| 2019 | +22.4% | −3.2% | +0.9% | +2.9% | +14.9% | +8.7% | −0.1% | −6.7% | −3.3% | −2.3% | +0.3% | +1.3% | +37.4% | +31.2% | +6.2pp |
| 2018 | +2.6% | −4.4% | +3.4% | −1.9% | +7.1% | +12.8% | +3.1% | −2.3% | −2.0% | −9.4% | +4.7% | +1.2% | +13.9% | −4.6% | +18.4pp |
| 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% | +21.7% | −37.1pp |
Month-end over prior month-end; a blank cell is no return.
Basis. Both columns share one basis, so Δ is like-for-like.
End-of-day closes; a “ytd” or “part” year is not a full year.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Years ⓘ | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 21 | 21 | 21 | 21 |
| Positive ⓘ | 48% | 62% | 62% | 52% | 81% | 62% | 52% | 64% | 43% | 52% | 62% | 62% |
| Median | −0.8% | +3.6% | +1.8% | +0.5% | +4.1% | +2.2% | +0.1% | +3.6% | −1.4% | +1.8% | +4.7% | +1.2% |
| Best | +22.4% | +16.5% | +10.6% | +22.9% | +14.9% | +17.2% | +13.1% | +14.8% | +22.8% | +32.2% | +34.2% | +33.5% |
| Worst | −38.2% | −9.3% | −15.2% | −22.3% | −24.5% | −15.0% | −9.5% | −14.8% | −13.8% | −51.1% | −22.7% | −30.8% |
| vs SPY ⓘ | +0.7pp | +1.6pp | +0.2pp | −2.4pp | +1.6pp | +1.9pp | −1.3pp | +1.7pp | −0.9pp | +2.5pp | +2.3pp | −1.5pp |
253 monthly observations · 2005–2026 · benchmark SPY