$149.95
-0.76 (-0.50%)
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 | NPK | SPY | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 · ytd | +19.3% | +3.6% | +4.6% | +2.0% | −9.5% | −1.2% | −2.9% | +23.5% | — | — | — | — | +41.5% | +12.9% | +28.6pp |
| 2025 | −2.3% | +5.8% | −12.7% | −4.0% | +1.5% | +14.4% | −1.5% | +8.7% | +7.0% | −4.6% | −12.3% | +13.8% | +9.6% | +17.7% | −8.1pp |
| 2024 | −1.4% | +3.5% | +8.4% | −2.2% | −9.2% | +0.9% | +1.8% | +2.4% | −4.0% | −4.3% | +10.8% | +23.5% | +29.9% | +24.9% | +5.1pp |
| 2023 | +11.9% | −5.4% | +5.0% | −5.6% | +9.6% | −1.8% | +7.0% | −4.4% | −3.2% | +3.2% | −0.0% | +7.4% | +23.8% | +26.2% | −2.4pp |
| 2022 | +0.3% | +2.2% | −3.2% | −7.6% | −5.0% | −2.9% | +8.5% | −4.2% | −4.6% | +8.4% | −1.9% | −1.0% | −11.8% | −18.2% | +6.4pp |
| 2021 | +1.1% | +21.1% | −0.3% | +0.8% | −1.4% | +0.2% | −5.1% | −13.4% | −1.7% | +1.3% | −1.6% | +0.3% | −1.8% | +28.7% | −30.5pp |
| 2020 | −2.5% | −2.0% | −9.9% | +14.8% | +10.7% | −2.9% | −2.3% | +5.3% | −9.0% | +1.5% | +2.4% | +4.0% | +7.5% | +18.3% | −10.8pp |
| 2019 | +2.3% | −1.3% | −3.2% | −1.9% | −8.1% | −4.7% | −1.4% | −6.8% | +3.9% | −3.4% | +3.4% | −0.7% | −20.4% | +31.2% | −51.6pp |
| 2018 | +2.2% | −5.1% | +3.2% | +2.1% | +17.9% | +9.8% | +0.5% | +6.4% | −2.2% | −3.8% | +3.1% | −9.0% | +24.9% | −4.6% | +29.5pp |
| 2017 | +0.0% | −1.5% | +2.6% | +2.1% | +2.0% | +3.8% | +2.4% | −11.9% | +6.9% | +9.8% | −11.3% | −4.1% | −1.6% | +21.7% | −23.3pp |
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 ⓘ | 62% | 52% | 67% | 43% | 52% | 48% | 52% | 50% | 48% | 71% | 52% | 48% |
| Median | +2.2% | +0.7% | +2.6% | −1.5% | +1.5% | −1.2% | +0.2% | +0.3% | −1.7% | +2.0% | +0.5% | −0.4% |
| Best | +19.3% | +21.1% | +12.4% | +22.6% | +23.1% | +15.6% | +11.4% | +23.5% | +7.0% | +10.8% | +10.8% | +23.5% |
| Worst | −12.8% | −5.8% | −12.7% | −7.6% | −13.2% | −6.6% | −12.0% | −13.4% | −10.4% | −11.1% | −12.3% | −9.0% |
| vs SPY ⓘ | +0.4pp | +2.3pp | +1.3pp | −2.3pp | −1.7pp | −0.0pp | −2.9pp | −0.0pp | −1.1pp | +1.5pp | −0.7pp | −0.2pp |
253 monthly observations · 2005–2026 · benchmark SPY