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V-Lab

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

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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graph of Big Digital Energy Inc EGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Feb 22, 2012 to Jul 10, 2026

Model 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

ParameterValuet-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