Roundhill DLY 2X LG Magn SVN Asy. MEM Volatility Analysis
Volatility prediction for Tuesday, July 21st, 2026
1 Day
48.61%
decreased by 4.73%
1 Week
49.54%
decreased by 3.80%
1 Month
51.47%
decreased by 1.87%
Analysis last updated: Monday, July 20, 2026 at 09:21 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Feb 29, 2024 to Jul 17, 2026Model Insight
Volatility shocks decay with a half-life of 6 trading days, meaning a shock loses half its impact after approximately 6 days.
μ
AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.1790 | 13.48*** |
α ARCH Response to squared shocks | 0.1953 | 7.47*** |
β GARCH Volatility persistence | 0.6903 | 51.58*** |
γ leverage Additional response to negative shocks | 0.0203 | 0.49 |
Persistence:
0.896
Half-life:
6 days
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