Big Digital Energy Inc GJR-GARCH Volatility Analysis
Volatility prediction for Friday, October 23rd, 2026
1 Day
131.54%
increased by 1.60%
1 Week
134.62%
increased by 4.68%
1 Month
146.08%
increased by 16.14%
Analysis last updated: Thursday, October 22, 2026 at 09:10 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Feb 22, 2012 to Oct 16, 2026Model Insight
With persistence 0.997, volatility shocks have a half-life of 236 trading days (~0.9 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
σ
GJR-GARCH Model
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High persistence: persistence 0.997, shock half-life ~236 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.8332 | 1.05 |
| αARCH | 0.0547 | 1.55 |
| βGARCH | 0.9187 | 29.74*** |
| γleverage | 0.0473 | 0.74 |
0.997
Persistence236d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.8332 | 1.05 |
α ARCH Response to squared shocks | 0.0547 | 1.55 |
β GARCH Volatility persistence | 0.9187 | 29.74*** |
γ leverage Additional response to negative shocks | 0.0473 | 0.74 |
Persistence:
0.997
Half-life:
236 days
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