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
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Oct 4, 2016 to Sep 11, 2026Model 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
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0963 | 1.42 |
| αARCH | 0.1578 | 7.99*** |
| βGARCH | 0.8339 | 48.23*** |
0.992
Persistence83d
Half-lifeμ
MEM Model
Tap to view equation
| Parameter | Value | t-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
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