Tradr 2X Long WDC Daily ETF GJR-GARCH Volatility Analysis
Volatility prediction for Tuesday, July 21st, 2026
1 Day
206.54%
decreased by 14.00%
1 Week
204.21%
decreased by 16.33%
1 Month
196.88%
decreased by 23.66%
Analysis last updated: Monday, July 20, 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 Jul 17, 2026Model Insight
Volatility shocks decay with a half-life of 16 trading days, meaning a shock loses half its impact after approximately 16 days.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 5.0000 | 3.06*** |
α ARCH Response to squared shocks | 0.0853 | 3.15*** |
β GARCH Volatility persistence | 0.8445 | 46.99*** |
γ leverage Additional response to negative shocks | 0.0579 | 1.12 |
Persistence:
0.959
Half-life:
16 days
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