V-Lab
Invesco QQQ LOW Vltility ETF GJR-GARCH Volatility Analysis
Volatility prediction for Monday, August 24th, 2026
1 Day
12.29%
decreased by 0.25%
1 Week
12.34%
decreased by 0.20%
1 Month
12.47%
decreased by 0.07%
Analysis last updated: Saturday, August 22, 2026 at 02:22 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 4, 2024 to Aug 21, 2026Model Insight
Volatility shocks decay with a half-life of 10 trading days, meaning a shock loses half its impact after approximately 10 days.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0418 | 4.15*** |
α ARCH Response to squared shocks | 0.0081 | 0.87 |
β GARCH Volatility persistence | 0.8934 | 53.30*** |
γ leverage Additional response to negative shocks | 0.0663 | 1.61 |
Persistence:
0.935
Half-life:
10 days
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