Invesco QQQ Trust Series 1 Asy. Power MEM Volatility Analysis
Volatility prediction for Monday, July 20th, 2026
1 Day
26.04%
increased by 3.09%
1 Week
23.95%
increased by 1.00%
1 Month
18.94%
decreased by 4.01%
Analysis last updated: Friday, July 17, 2026 at 09:54 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Mar 10, 1999 to Jul 17, 2026Model Insight
This asset exhibits a modest leverage effect: negative returns increase next-day volatility 43% more than equivalent positive returns. The volatility power δ = 0.72 sits below 2, so large shocks influence volatility less than quadratically, a more outlier-robust response than standard GARCH.
μ
APMEM Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0488 | 33.41*** |
α ARCH Response to squared shocks | 0.2181 | 60.54*** |
β GARCH Volatility persistence | 0.7606 | 204.96*** |
γ leverage Additional response to negative shocks | 0.2413 | 34.63*** |
δ power Transformation power | 0.7234 | 21.02*** |
Persistence:
0.934
Half-life:
10 days
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