V-Lab
Invesco QQQ Trust Series 1 GJR-GARCH Volatility Analysis
Volatility prediction for Tuesday, July 28th, 2026
1 Day
24.32%
decreased by 1.08%
1 Week
24.34%
decreased by 1.06%
1 Month
24.40%
decreased by 1.00%
Analysis last updated: Monday, July 27, 2026 at 09:22 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Mar 10, 1999 to Jul 24, 2026Model Insight
This asset exhibits a strong leverage effect: volatility responds almost entirely to negative shocks. The ARCH response to positive shocks is negligible.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0305 | 18.22*** |
α ARCH Response to squared shocks | 0.0253 | 6.56*** |
β GARCH Volatility persistence | 0.8989 | 357.43*** |
γ leverage Additional response to negative shocks | 0.1271 | 18.41*** |
Persistence:
0.988
Half-life:
56 days
Other Invesco QQQ Trust Series 1 Analyses
Other GJR-GARCH Analyses on ETFs