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V-Lab

SandRidge Energy, Inc. GJR-GARCH Volatility Analysis

Volatility prediction for Monday, September 14th, 2026

1 Day

29.03%

decreased by 0.53%

1 Week

29.53%

decreased by 0.03%

1 Month

31.41%

increased by 1.85%

Analysis last updated: Saturday, September 12, 2026 at 12:29 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

All

graph of SandRidge Energy, Inc. GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Oct 4, 2016 to Sep 11, 2026

Model Insight

With persistence 0.996, volatility shocks have a half-life of 187 trading days (~0.7 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 0.996, shock half-life ~187 days
ParamValuet-stat
ωconst0.0709
1.40
αARCH0.0354
2.16**
βGARCH0.9427
66.89***
γleverage0.0364
1.09

0.996

Persistence

187d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0709
1.40
α

ARCH

Response to squared shocks

0.0354
2.16**
β

GARCH

Volatility persistence

0.9427
66.89***
γ

leverage

Additional response to negative shocks

0.0364
1.09

Persistence:

0.996

Half-life:

187 days