V-Lab
Invesco QQQ Income Advan ETF GJR-GARCH Volatility Analysis
Volatility prediction for Monday, August 24th, 2026
1 Day
13.24%
decreased by 0.62%
1 Week
13.87%
increased by 0.01%
1 Month
15.40%
increased by 1.54%
Analysis last updated: Friday, August 21, 2026 at 09:56 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jul 17, 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 | 0.0833 | 6.60*** |
α ARCH Response to squared shocks | 0.0000 | 0.00 |
β GARCH Volatility persistence | 0.8022 | 48.03*** |
γ leverage Additional response to negative shocks | 0.2606 | 6.31*** |
Persistence:
0.932
Half-life:
10 days
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