V-Lab
TDAQ Lift ETF GJR-GARCH Volatility Analysis
Volatility prediction for Wednesday, September 9th, 2026
1 Day
24.65%
decreased by 0.29%
1 Week
25.10%
increased by 0.16%
1 Month
26.13%
increased by 1.19%
Analysis last updated: Tuesday, September 8, 2026 at 10:22 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 7, 2026 to Sep 4, 2026Model Insight
Volatility shocks decay with a half-life of 8 trading days, meaning a shock loses half its impact after approximately 8 days.
σ
GJR-GARCH Model
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Shock decay: Shocks decay with a 8-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.2582 | 1.08 |
| αARCH | 0.0000 | 0.00 |
| βGARCH | 0.8723 | 8.25*** |
| γleverage | 0.0817 | 0.71 |
0.913
Persistence8d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.2582 | 1.08 |
α ARCH Response to squared shocks | 0.0000 | 0.00 |
β GARCH Volatility persistence | 0.8723 | 8.25*** |
γ leverage Additional response to negative shocks | 0.0817 | 0.71 |
Persistence:
0.913
Half-life:
8 days
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