V-Lab
Tradr 2X Long WDC Daily ETF GJR-GARCH Volatility Analysis
Volatility prediction for Wednesday, September 30th, 2026
1 Day
113.35%
decreased by 4.27%
1 Week
118.44%
increased by 0.82%
1 Month
132.15%
increased by 14.53%
Analysis last updated: Tuesday, September 29, 2026 at 09:23 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 14 trading days, meaning a shock loses half its impact after approximately 14 days.
σ
GJR-GARCH Model
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Shock decay: Shocks decay with a 14-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 5.0000 | 0.96 |
| αARCH | 0.1113 | 0.85 |
| βGARCH | 0.8375 | 11.73*** |
| γleverage | 0.0029 | 0.01 |
0.950
Persistence14d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 5.0000 | 0.96 |
α ARCH Response to squared shocks | 0.1113 | 0.85 |
β GARCH Volatility persistence | 0.8375 | 11.73*** |
γ leverage Additional response to negative shocks | 0.0029 | 0.01 |
Persistence:
0.950
Half-life:
14 days
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