Gabelli Opportunities in Live and Sports ETF GJR-GARCH Volatility Analysis
Volatility prediction for Tuesday, July 21st, 2026
1 Day
14.32%
decreased by 0.04%
1 Week
14.37%
increased by 0.01%
1 Month
14.51%
increased by 0.15%
Analysis last updated: Monday, July 20, 2026 at 09:41 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 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 | 0.0371 | 4.07*** |
α ARCH Response to squared shocks | 0.0000 | 0.00 |
β GARCH Volatility persistence | 0.9389 | 61.95*** |
γ leverage Additional response to negative shocks | 0.0381 | 0.68 |
Persistence:
0.958
Half-life:
16 days
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