V-Lab
Invesco QQQ Trust Series 1 GARCH Volatility Analysis
Volatility prediction for Tuesday, October 6th, 2026
1 Day
15.96%
decreased by 0.07%
1 Week
16.21%
increased by 0.18%
1 Month
17.10%
increased by 1.07%
Analysis last updated: Monday, October 5, 2026 at 09:25 PM UTC
Press Delete or Backspace to remove this series.
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Mar 10, 1999 to Oct 2, 2026Model Insight
With persistence 0.990, volatility shocks have a half-life of 70 trading days (~0.3 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
σ
GARCH Model
Tap to view equation
High persistence: persistence 0.990, shock half-life ~70 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0259 | 4.29*** |
| αARCH | 0.0975 | 10.75*** |
| βGARCH | 0.8926 | 99.31*** |
0.990
Persistence70d
Half-lifeσ
GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0259 | 4.29*** |
α ARCH Response to squared shocks | 0.0975 | 10.75*** |
β GARCH Volatility persistence | 0.8926 | 99.31*** |
Persistence:
0.990
Half-life:
70 days
Other Invesco QQQ Trust Series 1 Analyses
Other GARCH Analyses on ETFs