V-Lab
Roundhill 100 0Dte Strgy ETF GJR-GARCH Volatility Analysis
Volatility prediction for Thursday, July 30th, 2026
1 Day
24.75%
increased by 2.16%
1 Week
23.75%
increased by 1.16%
1 Month
21.39%
decreased by 1.20%
Analysis last updated: Wednesday, July 29, 2026 at 09:18 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Mar 6, 2024 to Jul 24, 2026Model Insight
Volatility shocks decay with a half-life of 7 trading days, meaning a shock loses half its impact after approximately 7 days.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1360 | 8.47*** |
α ARCH Response to squared shocks | 0.0000 | 0.00 |
β GARCH Volatility persistence | 0.8207 | 65.54*** |
γ leverage Additional response to negative shocks | 0.1587 | 7.12*** |
Persistence:
0.900
Half-life:
7 days
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