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V-Lab

Big Digital Energy Inc MF2-GARCH Volatility Analysis

Volatility prediction for Tuesday, July 21st, 2026

1 Day

149.15%

decreased by 20.88%

1 Week

168.60%

decreased by 1.43%

1 Month

200.06%

increased by 30.03%

Analysis last updated: Monday, July 20, 2026 at 09:15 PM UTC

Date Range:

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to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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graph of Big Digital Energy Inc MF2-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Feb 22, 2012 to Jul 17, 2026

Model Insight

Volatility shocks decay with a half-life of 2 trading days, meaning a shock loses half its impact after approximately 2 days.

σ

MF2-GARCH Model

Tap to view equation

ParameterValuet-statistic
m

window

Rolling window length

26
α

ARCH

Response to squared shocks

0.2199
14.33***
β

GARCH

Volatility persistence

0.4459
18.76***
γ

leverage

Additional response to negative shocks

-0.0425
-1.88*
λ₁

tau intercept

Baseline long-term coefficient

10.0000
1.57
λ₂

forecast adj.

Forecast performance sensitivity

0.4061
2.67***
λ₃

tau persistence

Long-term factor persistence

0.5588
4.38***

Persistence:

0.645

Half-life:

2 days