$189.55
+5.40 (+2.93%)
USD · as of 2026-08-19 · 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 | GKOS | SPY | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 · ytd | +5.7% | +0.9% | −10.6% | +33.4% | −28.1% | +35.2% | +19.3% | +13.7% | — | — | — | — | +67.9% | +13.4% | +54.5pp |
| 2025 | +4.3% | −23.3% | −18.0% | −4.2% | +0.0% | +9.5% | −16.7% | +11.3% | −14.9% | +8.0% | +20.7% | +6.2% | −24.7% | +17.7% | −42.4pp |
| 2024 | +12.0% | −0.5% | +6.4% | +1.8% | +17.4% | +5.0% | −1.0% | +14.3% | −2.7% | +1.5% | +8.6% | +4.4% | +88.6% | +24.9% | +63.7pp |
| 2023 | +12.3% | −3.7% | +6.1% | −5.2% | +20.0% | +24.9% | +8.3% | −2.6% | +0.1% | −9.4% | −6.3% | +24.4% | +82.0% | +26.2% | +55.8pp |
| 2022 | +19.8% | +3.9% | +4.5% | −18.2% | −13.7% | +11.2% | +18.6% | −9.8% | +9.7% | +5.3% | −16.9% | −6.2% | −1.7% | −18.2% | +16.5pp |
| 2021 | +17.8% | +6.6% | −11.2% | +12.2% | −21.9% | +15.3% | −39.9% | +16.9% | −19.2% | −5.1% | −5.9% | +3.3% | −41.0% | +28.7% | −69.7pp |
| 2020 | +3.3% | −21.8% | −29.8% | +18.9% | +6.2% | −1.4% | +13.7% | +9.5% | +3.5% | +12.9% | +20.7% | +11.5% | +38.2% | +18.3% | +19.8pp |
| 2019 | +13.6% | +16.3% | +5.7% | −8.0% | −10.6% | +16.9% | +8.3% | −21.3% | −2.8% | +2.1% | +0.5% | −15.1% | −3.0% | +31.2% | −34.3pp |
| 2018 | +17.0% | +4.3% | −1.5% | +9.2% | +12.1% | +7.6% | +2.4% | +64.3% | −5.1% | −10.7% | +13.7% | −14.7% | +119.0% | −4.6% | +123.6pp |
| 2017 | +20.2% | +10.4% | +12.7% | −7.3% | −14.3% | +1.9% | −3.1% | −6.0% | −12.6% | +7.0% | −24.2% | −4.2% | −25.2% | +21.7% | −46.9pp |
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 ⓘ | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 11 | 11 | 11 | 11 |
| Positive ⓘ | 91% | 64% | 55% | 55% | 55% | 91% | 67% | 50% | 36% | 55% | 55% | 55% |
| Median | +12.3% | +0.9% | +2.4% | +1.8% | +0.0% | +11.2% | +8.3% | +3.4% | −2.8% | +1.5% | +0.5% | +3.3% |
| Best | +20.2% | +16.3% | +12.7% | +33.4% | +29.2% | +35.2% | +19.9% | +64.3% | +26.5% | +12.9% | +29.2% | +24.4% |
| Worst | −33.9% | −23.3% | −29.8% | −18.2% | −28.1% | −1.4% | −39.9% | −21.3% | −19.2% | −17.2% | −24.2% | −15.1% |
| vs SPY ⓘ | +6.0pp | +1.7pp | +0.8pp | +5.8pp | −4.2pp | +10.0pp | +5.9pp | +0.8pp | −4.8pp | −2.8pp | −3.1pp | −0.4pp |
134 monthly observations · 2015–2026 · benchmark SPY