V-Lab
Defined Duration 5 ETF GJR-GARCH Volatility Analysis
Volatility prediction for Monday, July 27th, 2026
1 Day
2.68%
decreased by 0.13%
1 Week
2.71%
decreased by 0.10%
1 Month
2.82%
increased by 0.01%
Analysis last updated: Saturday, July 25, 2026 at 02:15 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Nov 13, 2025 to Jul 24, 2026Model Insight
Volatility shocks decay with a half-life of 22 trading days, meaning a shock loses half its impact after approximately 22 days.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0013 | 4.51*** |
α ARCH Response to squared shocks | 0.0000 | 0.00 |
β GARCH Volatility persistence | 0.8713 | 48.66*** |
γ leverage Additional response to negative shocks | 0.1956 | 4.93*** |
Persistence:
0.969
Half-life:
22 days
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