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V-Lab

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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Date Range:

from

10/22/2024

to

10/22/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Big Digital Energy Inc GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Feb 22, 2012 to Oct 16, 2026

Model 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

Tap to view equation

High persistence: persistence 0.997, shock half-life ~236 days
ParamValuet-stat
ωconst1.8332
1.05
αARCH0.0547
1.55
βGARCH0.9187
29.74***
γleverage0.0473
0.74

0.997

Persistence

236d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-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