Big Digital Energy Inc EGARCH Volatility Analysis
Volatility prediction for Wednesday, July 15th, 2026
1 Day
171.17%
decreased by 3.60%
1 Week
174.59%
decreased by 0.18%
1 Month
188.41%
increased by 13.64%
Analysis last updated: Tuesday, July 14, 2026 at 09:15 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Feb 22, 2012 to Jul 10, 2026Model Insight
With persistence 0.990, volatility shocks have a half-life of 72 trading days (~0.3 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
Leverage: Negative returns increase volatility 146% more than positive returns
σ
EGARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0655 | 2.77*** |
α ARCH Response to squared shocks | 0.1396 | 12.35*** |
β GARCH Volatility persistence | 0.9904 | 260.63*** |
γ leverage Additional response to negative shocks | -0.0588 | -5.42*** |
Persistence:
0.990
Half-life:
72 days
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