V-Lab
Big Sky Industrial Inc GJR-GARCH Volatility Analysis
Volatility prediction for Monday, August 17th, 2026
1 Day
91.10%
decreased by 1.14%
1 Week
91.48%
decreased by 0.76%
1 Month
92.81%
increased by 0.57%
Analysis last updated: Friday, August 14, 2026 at 09:19 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 1, 1990 to Aug 14, 2026Model Insight
Volatility shocks decay with a half-life of 40 trading days, meaning a shock loses half its impact after approximately 40 days.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.7083 | 18.45*** |
α ARCH Response to squared shocks | 0.0963 | 17.40*** |
β GARCH Volatility persistence | 0.8825 | 223.77*** |
γ leverage Additional response to negative shocks | 0.0078 | 0.80 |
Persistence:
0.983
Half-life:
40 days
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