V-Lab
Smart Powerr Corp GJR-GARCH Volatility Analysis
Volatility prediction for Monday, July 27th, 2026
1 Day
498.30%
decreased by 14.52%
1 Week
492.92%
decreased by 19.90%
1 Month
472.50%
decreased by 40.32%
Analysis last updated: Saturday, July 25, 2026 at 09:19 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jul 4, 2001 to Jul 24, 2026Model Insight
This asset exhibits a notable leverage effect: negative returns increase next-day volatility 60% more than equivalent positive returns.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.8143 | 6.02*** |
α ARCH Response to squared shocks | 0.0379 | 10.78*** |
β GARCH Volatility persistence | 0.9391 | 277.60*** |
γ leverage Additional response to negative shocks | 0.0226 | 2.89*** |
Persistence:
0.988
Half-life:
59 days
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