V-Lab
Tradr 2X SNDK Long Daily ETF GJR-GARCH Volatility Analysis
Volatility prediction for Wednesday, September 30th, 2026
1 Day
155.88%
decreased by 5.08%
1 Week
159.42%
decreased by 1.54%
1 Month
170.71%
increased by 9.75%
Analysis last updated: Tuesday, September 29, 2026 at 09:22 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 27, 2026 to Sep 25, 2026Model Insight
Volatility shocks decay with a half-life of 24 trading days, meaning a shock loses half its impact after approximately 24 days.
σ
GJR-GARCH Model
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Shock decay: Shocks decay with a 24-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 5.0000 | 0.49 |
| αARCH | 0.0620 | 0.75 |
| βGARCH | 0.8874 | 15.66*** |
| γleverage | 0.0448 | 0.25 |
0.972
Persistence24d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 5.0000 | 0.49 |
α ARCH Response to squared shocks | 0.0620 | 0.75 |
β GARCH Volatility persistence | 0.8874 | 15.66*** |
γ leverage Additional response to negative shocks | 0.0448 | 0.25 |
Persistence:
0.972
Half-life:
24 days
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