V-Lab
Invesco QQQ LOW Vltility ETF Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Monday, August 24th, 2026
1 Day
13.58%
decreased by 0.26%
1 Week
13.72%
decreased by 0.12%
1 Month
13.88%
increased by 0.04%
Analysis last updated: Saturday, August 22, 2026 at 02:23 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
This model fits a time-varying baseline (a spline), so volatility mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 2 trading days.
τ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.7722 | 3.89*** |
α ARCH Response to squared shocks | 0.0434 | 0.72 |
β GARCH Volatility persistence | 0.7133 | 3.26*** |
Spline Coefficients
K=3
| γ1 | -7.5783 | -1.95* |
| γ2 | 12.3921 | 2.20** |
| γ3 | -6.4871 | -2.59*** |
Persistence:
0.757
Half-life:
2 days
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