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V-Lab
V-Lab

SandRidge Energy, Inc. MEM Volatility Analysis

Volatility prediction for Wednesday, September 16th, 2026

1 Day

35.82%

increased by 5.74%

1 Week

36.20%

increased by 6.12%

1 Month

37.58%

increased by 7.50%

Analysis last updated: Tuesday, September 15, 2026 at 09:36 PM UTC

Date Range:

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to

6M ·

1Y ·

2Y ·

5Y ·

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graph of SandRidge Energy, Inc. MEM

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 0.992, volatility shocks have a half-life of 83 trading days (~0.3 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

μ

MEM Model

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High persistence: persistence 0.992, shock half-life ~83 days
ParamValuet-stat
ωconst0.0963
1.42
αARCH0.1578
7.99***
βGARCH0.8339
48.23***

0.992

Persistence

83d

Half-life
μ

MEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0963
1.42
α

ARCH

Response to squared shocks

0.1578
7.99***
β

GARCH

Volatility persistence

0.8339
48.23***

Persistence:

0.992

Half-life:

83 days