$826.64
-14.20 (-1.69%)
USD · as of 2026-08-20 · 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 | REGN | SPY | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 · ytd | −3.9% | +5.6% | −1.2% | −8.5% | −12.9% | +1.4% | +22.3% | +8.4% | — | — | — | — | +7.4% | +12.4% | −5.0pp |
| 2025 | −5.5% | +4.0% | −9.2% | −5.6% | −18.0% | +7.1% | +3.9% | +6.6% | −3.2% | +15.9% | +19.8% | −1.1% | +9.0% | +17.7% | −8.8pp |
| 2024 | +7.3% | +2.5% | −0.4% | −7.5% | +10.0% | +7.2% | +2.7% | +9.8% | −11.3% | −20.3% | −10.5% | −5.1% | −18.9% | +24.9% | −43.8pp |
| 2023 | +5.1% | +0.3% | +8.1% | −2.4% | −8.3% | −2.3% | +3.3% | +11.4% | −0.4% | −5.2% | +5.6% | +6.6% | +21.7% | +26.2% | −4.4pp |
| 2022 | −3.6% | +1.6% | +12.9% | −5.6% | +0.9% | −11.1% | −1.6% | −0.1% | +18.6% | +8.7% | +0.4% | −4.0% | +14.2% | −18.2% | +32.4pp |
| 2021 | +4.3% | −10.6% | +5.0% | +1.7% | +4.4% | +11.2% | +2.9% | +17.2% | −10.1% | +5.7% | −0.5% | −0.8% | +30.7% | +28.7% | +2.0pp |
| 2020 | −10.0% | +31.6% | +9.8% | +7.7% | +16.5% | +1.8% | +1.4% | −1.9% | −9.7% | −2.9% | −5.1% | −6.4% | +28.7% | +18.3% | +10.3pp |
| 2019 | +14.9% | +0.3% | −4.7% | −16.4% | −12.1% | +3.7% | −2.6% | −4.8% | −4.4% | +10.4% | +20.5% | +1.8% | +0.5% | +31.2% | −30.7pp |
| 2018 | −2.5% | −12.6% | +7.5% | −11.8% | −1.1% | +14.9% | +6.7% | +10.5% | −0.7% | −16.0% | +7.8% | +2.1% | −0.7% | −4.6% | +3.9pp |
| 2017 | −2.1% | +4.0% | +3.8% | +0.3% | +18.2% | +7.0% | +0.1% | +1.1% | −10.0% | −10.0% | −10.1% | +3.9% | +2.4% | +21.7% | −19.3pp |
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 ⓘ | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 |
| Positive ⓘ | 46% | 48% | 52% | 44% | 63% | 48% | 70% | 59% | 35% | 38% | 62% | 46% |
| Median | −1.5% | −0.3% | +1.6% | −2.4% | +2.9% | −0.5% | +3.9% | +5.8% | −2.0% | −4.8% | +5.7% | −0.2% |
| Best | +63.9% | +358.9% | +23.9% | +39.8% | +117.1% | +46.3% | +51.6% | +30.7% | +29.1% | +31.8% | +43.1% | +44.7% |
| Worst | −22.6% | −18.5% | −59.0% | −17.4% | −28.7% | −27.4% | −22.5% | −22.5% | −26.2% | −21.7% | −19.9% | −14.5% |
| vs SPY ⓘ | −1.8pp | +0.0pp | +0.5pp | −3.4pp | +2.1pp | −1.1pp | +1.5pp | +4.0pp | −2.3pp | −2.5pp | +2.9pp | +0.0pp |
319 monthly observations · 2000–2026 · benchmark SPY