V-Lab
Invesco QQQ Income Advan ETF GJR-GARCH Volatility Analysis
Volatility prediction for Tuesday, July 28th, 2026
1 Day
19.21%
decreased by 1.50%
1 Week
19.01%
decreased by 1.70%
1 Month
18.46%
decreased by 2.25%
Analysis last updated: Monday, July 27, 2026 at 09:25 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jul 17, 2024 to Jul 24, 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 | 0.0822 | 6.37*** |
α ARCH Response to squared shocks | 0.0000 | 0.00 |
β GARCH Volatility persistence | 0.8077 | 47.99*** |
γ leverage Additional response to negative shocks | 0.2499 | 5.75*** |
Persistence:
0.933
Half-life:
10 days
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