V-Lab
Gabelli Opportunities in Live and Sports ETF GJR-GARCH Volatility Analysis
Volatility prediction for Wednesday, September 30th, 2026
1 Day
14.25%
unchanged at 0.00%
1 Week
14.28%
increased by 0.03%
1 Month
14.37%
increased by 0.12%
Analysis last updated: Tuesday, September 29, 2026 at 09:46 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 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
Tap to view equation
Shock decay: Shocks decay with a 14-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0397 | 1.52 |
| αARCH | 0.0000 | 0.00 |
| βGARCH | 0.9415 | 16.88*** |
| γleverage | 0.0231 | 0.14 |
0.953
Persistence14d
Half-lifeσ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0397 | 1.52 |
α ARCH Response to squared shocks | 0.0000 | 0.00 |
β GARCH Volatility persistence | 0.9415 | 16.88*** |
γ leverage Additional response to negative shocks | 0.0231 | 0.14 |
Persistence:
0.953
Half-life:
14 days
Other Gabelli Opportunities in Live and Sports ETF Analyses
Other GJR-GARCH Analyses on ETFs